Professor Ryan Ko

Chair & Director-CyberSecurity

School of Electrical Engineering and Computer Science
Faculty of Engineering, Architecture and Information Technology
ryan.ko@uq.edu.au
+61 7 336 51092

Overview

Professor Ryan Ko is Chair and Director of UQ Cyber and a member of the Academic Board at the University of Queensland, Australia. He holds a Bachelor of Engineering (Computer Engineering)(Hons.) (2005), and PhD (2011) from Nanyang Technological University, Singapore.

Ko has held senior scientific leadership, executive, and directorship roles across industry and academia, and has more than a decade of board, governance and advisory experience across government, industry and NGOs across Australia, New Zealand, Singapore, and USA.

He currently serves on the Risk and Audit Committee for the board of the global not-for-profit ORCID, AustCyber Queensland Innovation Node advisory board, Queensland Government's Digital Professionals Workforce Plan (DPWP)'s Program Advisory Board, Technical Reference Group member of Meat and Livestock Australia (MLA)'s Integrity Systems Company, and Technology Advisory Board member of the NZX-listed (NZE:LIC) Livestock Improvement Cooperation (LIC).

He is also an Adjunct Professor at the Singapore Institute of Technology, and an Affiliate Faculty Member at NIATEC at the Idaho State University, USA.

He is co-founder of Cyber Security Certification Australia (CSCAU), and co-founder of First Watch Ltd (NZ) – an industrial cybersecurity spin-off based on his patented OT security and provenance research at the University of Waikato. He is also an advisor to leading Australian cyber security startup Cybermetrix Pty Ltd, and the Silicon Valley-headquartered startup Nyriad.

He has also served as expert advisor to INTERPOL, the government of Tonga, NZDF, NZ Minister for Communications' Cyber Security Skills Taskforce, and one of four nationally-appointed Technical Adviser for the Harmful Digital Communications Act 2015, Ministry of Justice. Earlier in his career, Ko was a systems engineer, and subsequently founded two start-ups (one of which was a social enterprise which became an events/conventions management contractor with IMG at mega-events in Singapore, including the inaugural Youth Olympics in 2010).

Since joining the School of EECS at UQ in 2019, he has served as:

  • Deputy Head of School (External Engagement) (2021-2022)
  • Founding Discipline Leader of the Cyber Security and Software Engineering discipline (2020-2021)
  • Group Leader - Cyber Security (2019)

Ko has successfully established several university-wide, multi-disciplinary academic research and education programmes, including establishing and leading:

  • UQ Cyber - interdisciplinary cyber scurity research centre involving 60+ academics and their respective teams from the 6 Schools (EECS, Business, Economics, Law, Social Science, Mathematics & Physics), the Centre for Policy Futures, and 4 Faculties since 2019.
  • UQ's interdisciplinary postgraduate programme (MCyber, PGDipCyber, GCertCyber) involving four UQ faculties in 2019,
  • NZ's first cyber security graduate research programme and lab (Cybersecurity Researchers of Waikato (CROW)) in 2012,
  • NZ's first Master of Cyber Security (encompassing technical and law courses), the NZ Cyber Security Challenge since 2014, and
  • New Zealand Institute for Security and Crime Science – Te Puna Haumaru as its founding director, the Evidence Based Policing Centre (at Wellington with NZ Police and ESR), and Master of Security and Crime Science in 2017 with the University of Waikato, NZ.

Over his academic career, Ko has been awarded A$20+million in competitive grants as lead Chief Investigator, and ~A$40+million as co-investigator. Prior to UQ, he was the highest funded computer scientist in New Zealand, as Principal Investigator and Science Leader of the largest MBIE-awarded cloud security research funding for STRATUS (NZ$12.2 million; 2014-2018). STRATUS' research was awarded 'Gold' by MBIE (i.e. top performing project, 2017), adopted by INTERPOL and featured in NZ's Department of Prime Minister and Cabinet's NZ Cyber Security Strategy 2016 annual report.

Ko has a track record developing international and national cyber security curricula, including:

  • The co-creation of the gold-standard (ISC)2 Certified Cloud Security Professional (CCSP) curriculum (2014-2015)
  • Authoring the initial draft of the NZQA's Level 6 Cybersecurity Diploma qualification as part of the NZ Cyber Security Skills Taskforce on behalf of the Department of Prime Minister and Cabinet.

Ko has also experience developing competitions and coaching competitive cyber security teams, including:

  • Co-founding the New Zealand Cyber Security Challenge in 2014, and leading the NZCSC from 2014 to 2018. NZCSC is now the premier national cyber security competition in NZ.
  • Co-founding the Oceania Cybersecurity Challenge (OCC) in 2020, and leading the competition from 2022 to present. OCC is now the regional qualifiers for the International Cybersecurity Challenge
  • Co-founding the International Cybersecurity Challenge (ICC) as part of the Steering Committee in 2022. ICC has been held in Athens (2022) and San Diego (2023). It is aiming to be the world cup of cyber competitions.
  • Head Coach of Team Oceania for the ICC. 2022 Results: Overall 4th; 2023 Results: Overall 2nd in the world.

He contributed to the establishment of the Government of Tonga CERT and CERT NZ, and has spoken regularly on cyber and cloud security research across the globe, including the Republic of Korea National Assembly (2018), INTERPOL (2017), TEDx Ruakura (2017), and the NZ Members of Parliament (2016).

Ko's research in cyber security focuses on returning control of data to users. His research reduces users' reliance on trusting third-parties and focusses on (1) provenance logging and reconstruction, traceability and (2) privacy-preserving data processing. His research is adopted internationally (e.g. CERN, INTERPOL, and HP clients such as Apple, Nasa, US Treasury/IRS). His papers have received conference Best Paper Awards (2011, 2015, 2017), and resulted in several technology transfers (e.g. HP), open source contributions (e.g. Kali Linux THC) and spin-offs (e.g. First Watch). He has published in top venues including WWW (The Web), NeurIPS, DCC, ESORICS, IEEE TrustCom, IEEE ICWS, IEEE TDSC, IEEE TSC, Computers & Security, IEEE Trans on Smart Grid, and more than 100 publications including books, refereed conference papers, journal papers, book chapters, encyclopaedia entries, technical reports and international patents (PCT).

Recently, he is researching information integrity and cyber autonomy in critical infrastructure sectors such as energy, manufacturing, regulatory and agriculture sectors. He has served in technical programme committees for more than 30 IEEE conferences/workshops, associate editor for 6 journals, and as series editor for Elsevier's security books.

Within the ISO/IEC JTC 1/SC 27 technical committee, Prof Ko is Head of Delegation for the Singapore national body, served as Editor, ISO/IEC 21878 “Security guidelines for design and implementation of virtualized servers”, and hosted the ISO/IEC JTC 1/SC 27 meetings at Hamilton, New Zealand, in 2017. He is currently one of the editors of the ISO/IEC PWI 5181 Data Provenance Reference Model. In 2022, Ko co-chaired the development of the Singapore standard TR 106:2022 Tiered cybersecurity standards for enterprises in collaboration with the SPSTC and Singapore Cyber Security Agency.

Ko serves as an assessor for the Australian Research Council (ARC), Irish Research Council, Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO),and the NZ MBIE College of Assessors (since 2015). He is also an external expert for the Tertiary Education Quality and Standards Agency (TEQSA). Ko has externally examined 11 PhD and 3 Masters theses for universities in Australia, New Zealand, Canada, Hong Kong and Singapore.

He is a Fellow of the Queensland Academy of Arts and Sciences, a life member of the Association for Computing Machinery (ACM), and member of the IEEE and the Australian Computer Society (ACS).

For his contributions to the field, he was elected Fellow of Cloud Security Alliance (CSA) (2016) for significant contributions to cloud security research and education, the Singapore Government (Enterprise Singapore)’s Young Professional Award (2018) for his leadership at ISO, and awarded the inaugural CSA Ron Knode Service Award 2012 for the establishment of Cloud Data Governance and Cloud Vulnerabilities Research Working Groups. He is also recipient of the 2015 (ISC)2 Information Security Leadership Award.

For his research and teaching excellence, he was awarded the University of Queensland Awards for Excellence - Leadership (Commendation) (2023), EAIT Nominations for Most Effective Teacher (both semesters of 2020, 2021, 2022, 2023), University of Waikato's Early Career Excellence Award (2014), Faculty Teaching Excellence Awards (2014, 2015, 2018), and the Nola Campbell eLearning Excellence Award (2014). During his PhD, he was also awarded A*STAR SIMTech's Best Student Award (2009), and clinched the 1st Prize of the IEEE Services Cup 2009 at IEEE ICWS (CORE A*) in Los Angeles, CA.

He is an active science communicator and is regularly interviewed and featured by Australian (ABC News, SBS News, 7 News, 9 News, Courier Mail, Network 10, AFR), Singaporean (Channel NewsAsia, CNA Radio938), NZ (NZ Herald, Dominion Post, Stuff.co.nz, Waikato Times, TVNZ, Central TV) and international media on topics of cyber security, cybercrime and data privacy.

Research Interests

  • Operational Technology (OT) Security
    Focusing on Industrial Control Systems (ICS) and related protocols.
  • Provenance and Traceability
    Applications into AgTech, IoT, Edge, Cloud Computing and OT environments.
  • Trusted Computing Applications
    Applications into agriculture, regulatory, auditing and media.
  • Data Privacy and Privacy Enhancing Technologies
    Enabling secure and private multi-party computation.
  • AI Planning/ Automated Planning
    Adapting classical AI planning approaches into cyber security.
  • Automating Cyber Security for Critical Infrastructure
    Designing cyber autonomy to empower all end-users.
  • Applying Situation Crime Prevention to Cybercrime Prevention
    Applying SCP techniques into processes and controls to prevent cybercrime.
  • Board and Organisational Structures for Cyber Resilience
    Understanding how factors and pressures (e.g. board composition and organisational structures, external pressures) affect an organisation's cyber resilience.
  • Creating Measurable Indicators of Cyber Resilience
    Developing a framework to quantify factors allowing senior executives to understand and make decisions about cyber resilience.

Qualifications

  • Bachelor of Computer Engineering(Honours), Nanyang Technological University
  • Doctor of Philosophy, Nanyang Technological University

Publications

View all Publications

Supervision

  • Doctor Philosophy

  • Doctor Philosophy

  • Doctor Philosophy

View all Supervision

Publications

Featured Publications

Book

Book Chapter

  • Bean, Richard, Zhang, Yanjun, Ko, Ryan K. L., Mao, Xinyu and Bai, Guangdong (2023). Preserving the privacy and cybersecurity of home energy data. Emerging trends in cybersecurity applications. (pp. 323-343) edited by Kevin Daimi, Abeer Alsadoon, Cathryn Peoples and Nour El Madhoun. Cham, Switzerland: Springer International Publishing. doi: 10.1007/978-3-031-09640-2_14

  • Ko, Ryan K. L. (2020). Cyber autonomy: automating the hacker – self-healing, self-adaptive, automatic cyber defense systems and their impact on industry, society, and national security. Emerging technologies and international security: machines, the state, and war. (pp. 173-191) edited by Reuben Steff, Joe Burton and Simona R. Soare. London, United Kingdom: Routledge.

  • Phua, Thye Way and Ko, Ryan K. L. (2018). Data Provenance for Big Data Security and Accountability. Encyclopedia of Big Data Technologies. (pp. 1-6) Cham, Switzerland: Springer International Publishing. doi: 10.1007/978-3-319-63962-8_237-1

  • Yu Shyang Tan, Alan, Chaisiri, Sivadon, Leong, Ryan Ko, Holmes, Geoff and Rogers, Bill (2017). Data provenance in cloud. Data security in cloud computing. (pp. 261-275) edited by Vimal Kumar, Sivadon Chaisiri and Ryan Ko. London, United Kingdom: Institution of Engineering and Technology. doi: 10.1049/pbse007e_ch12

  • Garae, Jeffery, Ko, Ryan K. and Apperley, Mark (2017). Security visualization for cloud computing: an overview. Data security in cloud computing. (pp. 277-295) edited by Vimal Kumar , Sivadon Chaisiri and Ryan Ko. London, United Kingdom: Institution of Engineering and Technology. doi: 10.1049/pbse007e_ch13

  • Kumar, Vimal, Chaisiri, Sivadon and Ko, Ryan (2017). A data-centric view of cloud security. Data security in cloud computing. (pp. 1-17) Hertfordshire, United Kingdom: Institution of Engineering and Technology. doi: 10.1049/pbse007e_ch1

  • Will, Mark A. and Ko, Ryan K. L. (2017). Distributing encoded data for private processing in the cloud. Data security in cloud computing. (pp. 89-115) edited by Vimal Kumar, Sivadon Chaisiri and Ryan Ko. London, United Kingdom: The Institution of Engineering and Technology. doi: 10.1049/pbse007e_ch5

  • Scoon, Craig and Ko, Ryan K. L. (2017). The Waikato Data Privacy Matrix. Data security in cloud computing. (pp. 243-259) edited by Vimal Kumar, Sivadon Chaisiri and Ryan Ko. London, United Kingdom: The Institution of Engineering and Technology. doi: 10.1049/pbse007e_ch11

  • Garae, Jeffery and Ko, Ryan K. L. (2017). Visualization and data provenance trends in decision support for cybersecurity. Data analytics and decision support for cybersecurity: trends, methodologies and applications. (pp. 243-270) edited by Iván Palomares Carrascosa, Harsha Kumara Kalutarage and Yan Huang. Cham, Switzerland: Springer International Publishing. doi: 10.1007/978-3-319-59439-2_9

  • Will, Mark A. and Ko, Ryan K. L. (2015). A guide to homomorphic encryption. The cloud security ecosystem: technical, legal, business and management issues. (pp. 101-127) edited by Ryan Ko and Kim-Kwang Raymond Choo. Waltham, MA USA: Elsevier. doi: 10.1016/B978-0-12-801595-7.00005-7

  • Ko, Ryan K. L. and Choo, Kim-Kwang Raymond (2015). Cloud security ecosystem. The cloud security ecosystem: technical, legal, business and management issues. (pp. 1-14) edited by Ryan Ko and Kim-Kwang Raymond Choo. Waltham, MA USA: Elsevier. doi: 10.1016/B978-0-12-801595-7.00001-X

  • Tan, Alan Y. S., Ko, Ryan K. L., Holmes, Geoff and Rogers, Bill (2015). Provenance for cloud data accountability. The Cloud Security Ecosystem: Technical, Legal, Business and Management Issues. (pp. 171-185) Waltham, MA United States: Elsevier. doi: 10.1016/B978-0-12-801595-7.00008-2

  • Delamore, Baden and Ko, Ryan K. L. (2015). Security as a service (SecaaS)—An overview. The Cloud Security Ecosystem. (pp. 187-203) Waltham, MA United States: Elsevier. doi: 10.1016/b978-0-12-801595-7.00009-4

  • Ko, Ryan K. L. (2014). Data accountability in cloud systems. Security, privacy and trust in cloud systems. (pp. 211-238) edited by Surya Nepal and Mukaddim Pathan. Heidelberg, Germany: Springer. doi: 10.1007/978-3-642-38586-5_7

Journal Article

Conference Publication

  • Jeyakumar, Samantha Tharani, Ko, Ryan and Muthukkumarasamy, Vallipuram (2023). A framework for user-centric visualisation of blockchain transactions in critical infrastructure. BSCI '23: Proceedings of the 5th ACM International Symposium on Blockchain and Secure Critical Infrastructure, Melbourne, VIC, Australia, 10 - 14 July 2023. New York, NY, United States: Association for Computing Machinery. doi: 10.1145/3594556.3594624

  • Scarsbrook, Joshua D., Utting, Mark and Ko, Ryan K. L. (2023). TypeScript’s evolution: an analysis of feature adoption over time. IEEE/ACM 20th International Conference on Mining Software Repositories (MSR), Melbourne, VIC, Australia, 15-16 May 2023. Piscataway, NJ, United States: IEEE. doi: 10.1109/msr59073.2023.00027

  • Kim, Minjune, Cho, Jin-Hee, Lim, Hyuk, Moore, Terrence J., Nelson, Frederica F., Ko, Ryan K. L. and Dongseong Kim, Dan (2022). Evaluating performance and security of a hybrid moving target defense in SDN environments. 22nd IEEE International Conference on Software Quality, Reliability and Security (QRS), Guangzhou, China, 5-9 December 2022. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/qrs57517.2022.00037

  • Wilton, Jonathan, Koay, Abigail M. Y., Ko, Ryan K. L., Miao Xu and Ye, Nan (2022). Positive-unlabeled learning using random forests via recursive greedy risk minimization. 36th Conference on Neural Information Processing Systems (NeurIPS 2022), New Orleans, LA, United States, 29 November - 1 December 2022. New Orleans, LA, United States: Neural information processing systems foundation.

  • Ayoko, Oluremi (Remi), Ko, Ryan, Kromah, Momo and Luong, Hai (2022). Cybercrime, employee productivity and wellbeing in a hybrid work environment. 2022 ANZSOC conference: transforming criminology for the 2020s and beyond, Darwin, NT, Australia, 28 - 30 November 2022.

  • Wan, Liuhuo, Zhang, Yanjun, Li, Ruiqing, Ko, Ryan, Hoffman, Louw and Bai, Guangdong (2022). SATB: A Testbed of IoT-Based Smart Agriculture Network for Dataset Generation. 18th International Conference on Advanced Data Mining and Applications (ADMA 2022), Brisbane, QLD Australia, 28–30 November 2022. Heidelberg, Germany: Springer. doi: 10.1007/978-3-031-22064-7_11

  • Lockey, Steve, Gillespie, Nicole, Curtis, Caitlin, Bingley, William, Worthy, Peter, Haslam, Alexander, Steffens, Niklas, Bialkowski, Alina, Ko, Ryan and Wiles, Janet (2022). Necessary but not sufficient: assurance mechanisms for enhancing trust in AI-enabled job screening. 82nd Annual Meeting of the Academy of Management, Seattle, WA United States, 5-9 August 2022. Briarcliff Manor, NY United States: Academy of Management. doi: 10.5465/ambpp.2022.10638abstract

  • Kulatilleke, Gayan K., Portmann, Marius, Ko, Ryan and Chandra, Shekhar S. (2022). FDGATII: Fast Dynamic Graph Attention with Initial Residual and Identity. 35th Australasian Joint Conference on Artificial Intelligence: AI 2022, Perth, WA Australia, 5–8 December 2022. Cham, Switzerland: Springer. doi: 10.1007/978-3-031-22695-3_6

  • Koay, Abigail M. Y., Xie, Miao, Ko, Ryan K. L., Sterner, Charles, Choi, Taejun and Dong, Naipeng (2022). SDGen: a scalable, reproducible and flexible approach to generate real world cyber security datasets. 1st International Conference on Ubiquitous Security (UbiSec), Guangzhou, Peoples Republic of China, 28-31 December 2021. Singapore, Singapore: Springer Singapore. doi: 10.1007/978-981-19-0468-4_8

  • Choi, Taejun, Ko, Ryan K. L., Saha, Tapan, Scarsbrook, Joshua, Koay, Abigail M. Y., Wang, Shunyao, Zhang, Wenlu and St Clair, Connor (2021). Plan2Defend: AI planning for cybersecurity in smart grids. 2021 IEEE PES Innovative Smart Grid Technologies - Asia (ISGT Asia), Brisbane, QLD, Australia, 5-8 December 2021. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers . doi: 10.1109/isgtasia49270.2021.9715679

  • Zhang, Yanjun, Bai, Guangdong, Li, Xue, Curtis, Caitlin, Chen, Chen and Ko, Ryan K. L. (2021). Privacy-preserving gradient descent for distributed genome-wide analysis. ESORICS 2021 - 26th European Symposium on Research in Computer Security, Darmstadt, Germany, 4–8 October, 2021. Cham, Switzerland: Springer. doi: 10.1007/978-3-030-88428-4_20

  • Roodt, Daniel, Speidel, Ulrich, Kumar, Vimal and Ko, Ryan K. L. (2021). On random editing in LZ-end. 2021 Data Compression Conference (DCC), Snowbird, UT United States, 23 - 26 March 2021. Piscataway, NJ United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/dcc50243.2021.00074

  • Wang, Kailong, Zhang, Junzhe, Bai, Guangdong, Ko, Ryan and Dong, Jin Song (2021). It’s Not Just the Site, It’s the Contents: Intra-domain Fingerprinting Social Media Websites Through CDN Bursts. WWW '21: The Web Conference 2021, Ljubljana, Slovenia, 19-23 April 2021. New York, NY United States: ACM. doi: 10.1145/3442381.3450008

  • Choi, Taejun, Bai, Guangdong, Ko, Ryan K. L., Dong, Naipeng, Zhang, Wenlu and Wang, Shunyao (2021). An analytics framework for heuristic inference attacks against industrial control systems. 2020 IEEE 19th International Conference on Trust, Security and Privacy in Computing and Communications, TrustCom 202, Guangzhou, China, 29 December 2020-1 January 2021. Piscataway, NJ USA: Institute of Electrical and Electronics Engineers. doi: 10.1109/TrustCom50675.2020.00112

  • Jiang, Hetong, Choi, Taejun and Ko, Ryan K. L. (2021). Pandora: a cyber range environment for the safe testing and deployment of autonomous cyber attack tools. 8th International Symposium, SSCC 2020, Chennai, India, 15-17 October 2020. Singapore, Singapore: Springer Singapore. doi: 10.1007/978-981-16-0422-5_1

  • Fatehi, Farhad, Hassandoust, Farkhondeh, Ko, Ryan K. L. and Akhlaghpour, Saeed (2020). General Data Protection Regulation (GDPR) in Healthcare: Hot Topics and Research Fronts. 30th Medical Informatics Europe (MIE) Conference, Geneva Switzerland, Apr, 2020. Amsterdam, Netherlands: IOS Press. doi: 10.3233/SHTI200336

  • Thampi, Sabu M., Martinez Perez, Gregorio, Ko, Ryan and Rawat, Danda B. (2020). Preface. 7th International Symposium on Security in Computing and Communications, SSCC 2019, Trivandrum, India, 18 - 21 December 2019. Heidelberg, Germany: Springer.

  • Zhang, Yanjun, Bai, Guangdong, Li, Xue, Curtis, Caitlin, Chen, Chen and Ko, Ryan K. L. (2020). PrivColl: practical privacy-preserving collaborative machine learning. European Symposium on Research in Computer Security, Guildford, United Kingdom, 14-18 September 2020. Cham, Switzerland: Springer International Publishing. doi: 10.1007/978-3-030-58951-6_20

  • Ko, Ryan, Chen, Liqun and Zhu, Liming (2019). Message from IEEE TrustCom 2019 General Chairs. 2019 18th IEEE International Conference On Trust, Security And Privacy In Computing And Communications/13th IEEE International Conference On Big Data Science And Engineering (TrustCom/BigDataSE), Rotorua, New Zealand, 5-8 August 2019. Piscataway, NJ USA: Institute of Electrical and Electronics Engineers. doi: 10.1109/trustcom/bigdatase.2019.00005

  • Garae, Jeffery, Ko, Ryan K. L. and Apperley, Mark (2018). A full-scale security visualization effectiveness measurement and presentation approach. 17th IEEE International Conference on Trust, Security and Privacy in Computing and Communications and 12th IEEE International Conference on Big Data Science and Engineering, Trustcom/BigDataSE 2018, New York, NY, United States, 31 July - 3 August 2018. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers . doi: 10.1109/TrustCom/BigDataSE.2018.00095

  • Scarsbrook, Joshua D., Ko, Ryan K. L., Rogers, Bill and Bainbridge, David (2018). MetropolJS: Visualizing and debugging large-scale javascript program structure with treemaps. 26th Conference on Program Comprehension ICPC '18, Gothenburg, Sweden, 28-29 May 2018. New York, United States: ACM. doi: 10.1145/3196321.3196368

  • Garae, Jeffery, Ko, Ryan K. L ., Apperley, Mark and Schlickmann, Silvino J. (2018). Security visualization intelligence model for law enforcement investigations. 2018 Cyber Forensic & Security International Conference (2018 CFSIC), Nuku'alofa, Tonga, 21-23 August 2018. Nuku'alofa, Tonga:

  • Will, Mark A., Ko, Ryan K. L. and Schlickmann, Silvino J. (2017). Anonymous Data Sharing Between Organisations with Elliptic Curve Cryptography. 2017 IEEE Trustcom/BigDataSE/ICESS, Sydney, NSW Australia, 1-4 August 2017. Piscataway, NJ United States: IEEE. doi: 10.1109/trustcom/bigdatase/icess.2017.347

  • Shute, Sam, Ko, Ryan K. L. and Chaisiri, Sivadon (2017). Attribution using keyboard row based behavioural biometrics for handedness recognition. 2017 IEEE Trustcom/BigDataSE/ICESS, Sydney, NSW, Australia, 1 - 4 August 2017. New York, NY, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/Trustcom/BigDataSE/ICESS.2017.363

  • Will, Mark A., Garae, Jeffery, Tan, Yu Shyang, Scoon, Craig and Ko, Ryan K. L. (2017). Returning control of data to users with a personal information crunch - a position paper. 5th International Conference on Cloud Computing Research and Innovation (ICCCRI), Singapore, 11-12 April 2017. Piscataway, NJ, United States: IEEE. doi: 10.1109/ICCCRI.2017.12

  • Will, Mark A. and Ko, Ryan K. L. (2017). Secure FPGA as a service - towards secure data processing by physicalizing the cloud. 16th IEEE International Conference on Trust, Security and Privacy in Computing and Communications / The 11th IEEE International Conference on Big Data Science and Engineering / The 14th IEEE International Conference on Embedded Software and Systems, Sydney, Australia, 1-4 August 2017. New York, NY, USA: Institute of Electrical and Electronics Engineers. doi: 10.1109/Trustcom/BigDataSE/ICESS.2017.270

  • Ko, Ryan K. L. and Phua, Thye Way (2017). The full provenance stack: five layers for complete and meaningful provenance. 10th International Conference on Security, Privacy and Anonymity in Computation, Communication and Storage, SpaCCS 2017, Guangzhou, China, 12-15 December 2017. Cham, Switzerland: Springer . doi: 10.1007/978-3-319-72395-2_18

  • Ko, Ryan K. L. and Garae, Jeffery (2017). User-centric intelligence visualizations for ransomware propagation, bitcoin transactions and early cybercrime detection. 3rd INTERPOL Digital Security Research Seminar, Singapore, 12-13 September 2017. Singapore: INTERPOL.

  • Garae, Jeffery, Ko, Ryan K. L., Kho, Janice, Suwadi, Saidah, Will, Mark A. and Apperley, Mark (2017). Visualizing the New Zealand cyber security challenge for attack behaviors. 16th IEEE International Conference on Trust, Security and Privacy in Computing and Communications / The 11th IEEE International Conference on Big Data Science and Engineering / The 14th IEEE International Conference on Embedded Software and Systems, Sydney, NSW, Australia, 1 -4 August 2017. New York, NY, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/Trustcom/BigDataSE/ICESS.2017.362

  • Will, Mark A. and Ko, Ryan K. L. (2016). Computing mod with a variable lookup table. 4th International Symposium on Security in Computing and Communications (SSCC), Jaipur, India, 21-24 September 2016. Singapore: Springer. doi: 10.1007/978-981-10-2738-3_1

  • Chaisiri, Sivadon and Ko, Ryan K. L. (2016). From reactionary to proactive security: context-aware security policy management and optimization under uncertainty. 15th IEEE Int Conf on Trust, Security and Privacy in Comp and Commun / 10th IEEE Int Conf on Big Data Science and Engineering / 14th IEEE Int Symposium on Parallel and Distributed Proc with Applicat (IEEE Trustcom/BigDataSE/ISPA), Tianjin, China, 23-26 August 2016. New York, NY, United States: IEEE. doi: 10.1109/TrustCom.2016.0107

  • Ko, Ryan and Choo, Kim-Kwang Raymond (2016). Message from the TSCloud 2016 Symposium Chairs. IEEE Trustcom/BigDataSE/ISPA, Tianjin, China, 23-26 August 2016. Piscataway, NJ, United States: IEEE. doi: 10.1109/trustcom.2016.0015

  • Mueller, Peter, Thampi, Sabu M., Alam Bhuiyan, Md. Zakirul, Ko, Ryan, Doss, Robin and Alcaraz Calero, Jose M. (2016). Preface. 4th International Symposium, SSCC 2016, Jaipur, India, September 21-24, 2016. Singapore: Springer.

  • Will, Mark A., Ko, Ryan K. L. and Witten, Ian H. (2016). Privacy preserving computation by fragmenting individual bits and distributing gates. 15th IEEE Int Conf on Trust, Security and Privacy in Comp and Commun / 10th IEEE Int Conf on Big Data Science and Engineering / 14th IEEE Int Symposium on Parallel and Distributed Proc with Applicat (IEEE Trustcom/BigDataSE/ISPA), Tianjin, China, 23-26 August 2016. New York, NY, United States: IEEE. doi: 10.1109/TrustCom.2016.153

  • Stricot-Tarboton, Shaun, Chaisiri, Sivadon and Ko, Ryan K. L. (2016). Taxonomy of Man-in-the-Middle attacks on HTTPS. 15th IEEE Int Conf on Trust, Security and Privacy in Comp and Commun / 10th IEEE Int Conf on Big Data Science and Engineering / 14th IEEE Int Symposium on Parallel and Distributed Proc with Applicat (IEEE Trustcom/BigDataSE/ISPA), Tianjin, China, 23-26 August 2016. New York, NY, United States: IEEE. doi: 10.1109/TrustCom.2016.105

  • Scoon, Craig and Ko, Ryan K. L. (2016). The Data Privacy Matrix Project: Towards a Global Alignment of Data Privacy Laws. 15th IEEE Int Conf on Trust, Security and Privacy in Comp and Commun / 10th IEEE Int Conf on Big Data Science and Engineering / 14th IEEE Int Symposium on Parallel and Distributed Proc with Applicat (IEEE Trustcom/BigDataSE/ISPA), Tianjin, China, 23-26 August 2016. New York, NY, United States: IEEE. doi: 10.1109/TrustCom/2016.303

  • Garae, Jeffery, Ko, Ryan K. L. and Chaisiri, Sivadon (2016). UVisP: user-centric visualization of data provenance with Gestalt principles. 15th IEEE Int Conf on Trust, Security and Privacy in Comp and Commun / 10th IEEE Int Conf on Big Data Science and Engineering / 14th IEEE Int Symposium on Parallel and Distributed Proc with Applicat (IEEE Trustcom/BigDataSE/ISPA), Tianjin, China, 23-26 August 2016. New York, NY, United States: IEEE. doi: 10.1109/TrustCom.2016.292

  • Delamore, Baden and Ko, Ryan K. L. (2015). A Global, Empirical Analysis of the Shellshock Vulnerability in Web Applications. Joint 14th IEEE Int Conf on Trust, Security and Privacy in Computers and Communications / 13th IEEE Int Symposium on Parallel and Distributed Proc with Applications / 9th IEEE International Conference on Big Data Science and Engineering (IEEE TrustCom-ISPA-BigDataSE), Helsinki Finland, 20-22 August 2015. Piscataway, NJ United States: IEEE. doi: 10.1109/Trustcom.2015.493

  • Chaisiri, Sivadon, Ko, Ryan K. L. and Niyato, Dusit (2015). A joint optimization approach to security-as-a-service allocation and cyber insurance management. Joint 14th IEEE Int Conf on Trust, Secur and Privacy in Comp and Commun / 13th IEEE Int Symposium on Parallel and Distributed Proc with Applications / 9th IEEE Int Conf on Big Data Science and Engineering (IEEE TrustCom-ISPA-BigDataSE), Helsinki, Finland, 20-22 August 2015. New York, NY, United States: IEEE. doi: 10.1109/Trustcom.2015.403

  • Will, Mark A., Ko, Ryan K. L. and Witten, Ian H. (2015). Bin encoding: a user-centric secure full-text searching scheme for the cloud. Joint 14th IEEE Int Conf on Trust, Secur and Privacy in Comp and Commun / 13th IEEE Int Symposium on Parallel and Distributed Proc with Applications / 9th IEEE Int Conf on Big Data Science and Engineering (IEEE TrustCom-ISPA-BigDataSE), Helsinki, Finland, 20-22 August 2015. Piscataway, NJ, United States: IEEE. doi: 10.1109/Trustcom.2015.420

  • Li, Xin, Joshi, Chaitanya, Tan, Alan Y. S. and Ko, Ryan K. L. (2015). Inferring user actions from provenance logs. Joint 14th IEEE Int Conf on Trust, Secur and Privacy in Comp and Commun / 13th IEEE Int Symposium on Parallel and Distributed Proc with Applications / 9th IEEE Int Conf on Big Data Science and Engineering (IEEE TrustCom-ISPA-BigDataSE), Helsinki, Finland, 20-22 August 2015. New York, NY, United States: IEEE. doi: 10.1109/Trustcom.2015.442

  • Wu, Yulei , Ko, Ryan , Javadi, Bahman and Al-Dubai, Ahmed (2015). Message from the ITA 2015 Symposium Chairs. ITA 2015 Symposium, Liverpool, United Kingdom, 26-28 October 2015. Piscataway, NJ, United States: IEEE. doi: 10.1109/cit/iucc/dasc/picom.2015.389

  • Ko, Ryan K.L. and Choo, Kim-Kwang Raymond (2015). Message from the symposium chairs: TSCloud 2014. 13th IEEE International Conference on Trust Security and Privacy in Computing and Communications (TrustCom), Beijing, China, 24-26 September 2014. Piscataway, NJ United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/TrustCom.2014.147

  • Ko, Ryan and Choo, Kim-Kwang Raymond (2015). Message from the workshop chairs of IEEE TSCloud 2015. Symposium on Trust and Security in Cloud Computing (TrustCloud), Helsinki, Finland, 20 - 22 August 2015. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/Trustcom.2015.337

  • Ko, Ryan K. L., Russello, Giovanni, Nelson, Richard, Pang, Shaoning, Cheang, Aloysius, Dobbie, Gill, Sarrafzadeh, Abdolhossein, Chaisiri, Sivadon, Asghar, Muhammad Rizwan and Holmes, Geoffrey (2015). STRATUS: Towards Returning Data Control to Cloud Users. 15th International Conference on Algorithms and Architectures for Parallel Processing (ICA3PP), Zhangjiajie, China, 18-20 November 2015. Cham, Switzerland: Springer. doi: 10.1007/978-3-319-27161-3_6

  • Will, Mark A., Nicholson, Brandon, Tiehuis, Marc and Ko, Ryan K. L. (2015). Secure Voting in the Cloud using Homomorphic Encryption and Mobile Agents. International Conference on Cloud Computing Research and Innovation ICCCRI, Singapore Singapore, 26-27 October 2015. Piscataway, NJ United States: IEEE. doi: 10.1109/ICCCRI.2015.30

  • Taha, Mohammad M. Bany, Chaisiri, Sivadon and Ko, Ryan K. L. (2015). Trusted tamper-evident data provenance. Joint 14th IEEE Int Conf on Trust, Secur and Privacy in Comp and Commun / 13th IEEE Int Symposium on Parallel and Distributed Proc with Applications / 9th IEEE Int Conf on Big Data Science and Engineering (IEEE TrustCom-ISPA-BigDataSE), Helsinki, Finland, 20-22 August 2015. New York, NY, United States: IEEE. doi: 10.1109/Trustcom.2015.430

  • Dong, Mianxiong, Ko, Ryan K. L. and Alam Bhuiyan, Md. Zakirul (2015). Welcome message from the ICA3PP 2015 workshop chairs. ICA3PP 2015 Workshop, Zhangjiajie, China, 18-20 November 2015. Heidelberg, Germany: Springer.

  • Ko, Ryan K. L., Tan, Alan Y. S. and Ng, Grace P. Y. (2014). 'Time' for cloud? Design and implementation of a time-based cloud resource management system. 7th IEEE International Conference on Cloud Computing (CLOUD), Anchorage, AK USA, 27 June-2 July 2014. New York, NY, USA: Institute of Electrical and Electronics Engineers. doi: 10.1109/CLOUD.2014.77

  • Ko, Ryan K. L., Tan, Alan Y. S. and Gao, Ting (2014). A Mantrap-Inspired, User-Centric Data Leakage Prevention (DLP) Approach. 6th IEEE International Conference on Cloud Computing Technology and Science (CloudCom), Singapore Singapore, 15-18 December 2014. Piscataway, NJ United States: IEEE. doi: 10.1109/CloudCom.2014.23

  • Akram, Raja Naeem, Ko, Ryan K. L. and Law, Tsz Rung (2014). Consumer-centric protection for online social networks. 15th IEEE International Conference on Information Reuse and Integration (IEEE IRI) / IRI-HI / FMI / DIM / EM-RITE / WICSOC / SocialSec / IICPC / NatSec, San Francisco, CA, 13-15 August 2014. New York, NY, USA: Institute of Electrical and Electronics Engineers. doi: 10.1109/IRI.2014.7051872

  • Akram, Raja Naeem and Ko, Ryan K. L. (2014). Digital Trust - Trusted Computing and Beyond A Position Paper. 13th IEEE International Conference on Trust Security and Privacy in Computing and Communications (TrustCom), Beijing, China, 24-26 September 2014. Piscataway, NJ United States: IEEE. doi: 10.1109/TrustCom.2014.116

  • Akram, Raja Naeem and Ko, Ryan K. L. (2014). End-to-end secure and privacy preserving mobile chat application. International Workshop on Information Security Theory and Practice, Heraklion, Greece, 2 July 2014. New York, NY, United States: Springer . doi: 10.1007/978-3-662-43826-8_9

  • Delamore, Baden and Ko, Ryan K. L. (2014). Escrow: A Large-Scale Web Vulnerability Assessment Tool. 13th IEEE International Conference on Trust Security and Privacy in Computing and Communications (TrustCom), Beijing, China, 24-26 September 2014. Piscataway, NJ United States: IEEE. doi: 10.1109/TrustCom.2014.130

  • Tan, Alan Y. S., Ko, Ryan K. L. and Ng, Grace P. Y. (2014). OpenStack Cafe: a novel time-based user-centric resource management framework in the cloud. 3rd IEEE International Congress on Big Data, Anchorage, AK USA, 27 June-2 July 2014. New York, NY, USA: Institute of Electrical and Electronics Engineers. doi: 10.1109/BigData.Congress.2014.68

  • Ko, Ryan K. L. and Will, Mark A. (2014). Progger: an efficient, tamper-evident kernel-space logger for cloud data provenance tracking. 7th IEEE International Conference on Cloud Computing (CLOUD), Anchorage, AK, United States, 27 June - 2 July 2014. Piscataway, NJ, United States: IEEE. doi: 10.1109/CLOUD.2014.121

  • Pérez, Gregorio Martínez, Thampi, Sabu M., Ko, Ryan and Shu, Lei (2014). Recent Trends in Computer Networks and Distributed Systems Security - Preface. SNDS: International Conference on Security in Computer Networks and Distributed Systems, Trivandrum, India, 13-14 March 2014. Heidelberg, Germany: Springer Verlag.

  • Akram, Raja Naeem and Ko, Ryan K. L. (2014). Unified Model for Data Security - A Position Paper. 13th IEEE International Conference on Trust Security and Privacy in Computing and Communications (TrustCom), Beijing, China, 24-26 September 2014. Piscataway, NJ United States: IEEE. doi: 10.1109/TrustCom.2014.110

  • Tan, Alan Y. S., Ko, Ryan K. L. and Mendiratta, Veena (2014). Virtual Numbers for Virtual Machines?. 7th IEEE International Conference on Cloud Computing (CLOUD), Anchorage, AK United States, 27 June - 2 July 2014. Piscataway, NJ United States: IEEE. doi: 10.1109/CLOUD.2014.147

  • Suen, Chun Hui, Ko, Ryan K. L., Tan, Yu Shyang, Jagadpramana, Peter and Lee, Bu Sung (2013). S2Logger: end-to-end data tracking mechanism for cloud data provenance. 12th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (TrustCom), Melbourne, Australia, 16-18 July 2013. Piscataway, NJ, United States: IEEE. doi: 10.1109/TrustCom.2013.73

  • Tan, Yu Shyang, Ko, Ryan K. L. and Holmes, Geoff (2013). Security and data accountability in distributed systems: a provenance survey. 15th IEEE International Conference on High Performance Computing and Communications (HPCC) /11th IEEE/IFIP International Conference on Embedded and Ubiquitous Computing (EUC), Zhangjiajie, China, 13-15 November 2013. New York, NY, United States: IEEE. doi: 10.1109/HPCC.and.EUC.2013.221

  • Ko, Ryan , Martucci, Leonardo and Kirchberg, Markus (2013). TSCloud 2013: Message from the Chairs. 12th IEEE International Conference on Trust, Security and Privacy in Computing and Communications, Melbourne, VIC, Australia, 16-18 July 2013. Piscataway, NJ, United States: IEEE. doi: 10.1109/trustcom.2013.266

  • Papanikolaou, Nick, Pearson, Siani, Mont, Marco Casassa and Ko, Ryan (2012). Automating compliance for cloud computing services. 2nd International Conference on Cloud Computing and Services Science, Porto, Portugal, 18 - 21 April 2012. Setúbal, Portugal: SciTe Press.

  • Kirchberg, Markus, Leonardi, Erwin, Tan, Yu Shyang, Link, Sebastian, Ko, Ryan K. L. and Lee, Bu Sung (2012). Formal concept discovery in semantic web data. 10th International Conference on Formal Concept Analysis, ICFCA 2012, Leuven, Belgium, 7- 10 May 2012. Heidelberg, Germany: Springer. doi: 10.1007/978-3-642-29892-9_18

  • Zhang, Olive Qing, Ko, Ryan K. L., Kirchberg, Markus, Suen, Chun Hui, Jagadpramana, Peter and Lee, Bu Sung (2012). How to track your data: rule-based data provenance tracing algorithms. 2012 IEEE 11th International Conference on Trust, Security and Privacy in Computing and Communications, Liverpool, United Kingdom, 25 - 27 June 2012. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/TrustCom.2012.175

  • Ko, Ryan K. L. and Kirchberg, Markus (2012). Message from TSCloud Symposium Chairs. 2012 IEEE 11th International Conference on Trust, Security and Privacy in Computing and Communications, Liverpool, United Kingdom, 25-27 June 2012. Piscataway, NJ United States: IEEE. doi: 10.1109/trustcom.2012.12

  • Ko, Ryan K. L., Kirchberg, Markus, Lee, Bu Sung and Chew, Elroy (2012). Overcoming Large Data Transfer Bottlenecks in RESTful Service Orchestrations. 2012 IEEE 19th International Conference on Web Services, Honolulu, HI United States, 24-29 June 2012. Piscataway, NJ United States: IEEE. doi: 10.1109/icws.2012.107

  • Tan, Yu Shyang, Ko, Ryan K. L., Jagadpramana, Peter, Suen, Chun Hui, Kirchberg, Markus, Lim, Teck Hooi, Lee, Bu Sung, Singla, Anurag, Mermoud, Ken, Keller, Doron and Duc, Ha (2012). Tracking of data leaving the cloud. 2012 IEEE 11th International Conference on Trust, Security and Privacy in Computing and Communications, Liverpool, United Kingdom, 25-27 June 2012. Piscataway, NJ United States: IEEE. doi: 10.1109/TrustCom.2012.282

  • Ko, Ryan K. L., Jagadpramana, Peter and Lee, Bu Sung (2011). Flogger: A File-centric Logger for Monitoring File Access and Transfers within Cloud Computing Environments. 2011 IEEE 10th International Conference on Trust, Security and Privacy in Computing and Communications, Changsha, China, 16-18 November 2011. Piscataway, NJ United States: IEEE. doi: 10.1109/TrustCom.2011.100

  • Kirchberg, Markus, Ko, Ryan K.L. and Lee, Bu Sung (2011). From linked data to relevant data - time is the essence. 1st International Workshop on Usage Analysis and the Web of Data (USEWOD2011) in the 20th International World Wide Web Conference (WWW2011), Hyderabad, India, 28 March 2011.

  • Ko, Ryan K. L., Kirchberg, Markus and Lee, Bu Sung (2011). From system-centric to data-centric logging - accountability, trust & security in cloud computing. 2011 Defense Science Research Conference and Expo (DSR), Singapore, Singapore, 3 - 5 August 2011. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/DSR.2011.6026885

  • Zhang, Olive Qing, Kirchberg, Markus, Ko, Ryan K. L. and Lee, Bu Sung (2011). How to track your data: The case for cloud computing provenance. 2011 3rd IEEE International Conference on Cloud Computing Technology and Science, CloudCom 2011, Athens, Greece, 29 November - December 1 2011. Piscataway, NJ United States: IEEE. doi: 10.1109/CloudCom.2011.66

  • Ko, Ryan K. L., Lee, Bu Sung and Pearson, Siani (2011). Towards achieving accountability, auditability and trust in cloud computing. 1st International Conference on Advances in Computing and Communications, ACC 2011, Kochi, India, 22-24 July 2011. Heidelberg, Germany: Springer. doi: 10.1007/978-3-642-22726-4_45

  • Ko, Ryan K. L., Jagadpramana, Peter, Mowbray, Miranda, Pearson, Siani, Kirchberg, Markus, Liang, Qianhui and Lee, Bu Sung (2011). TrustCloud: A framework for accountability and trust in cloud computing. 2011 IEEE World Congress on Services, Washington, DC United States, 4-9 July 2011. Piscataway, NJ United States: IEEE. doi: 10.1109/SERVICES.2011.91

  • Ko, Ryan K.L., Lee, Stephen S. G., Lee, E. W. and Jusuf, Andre (2009). Dynamic collaborative business process formulation via ontologised hierarchical task network (HTN) planning. 2009 IEEE International Conference on Web Services, Los Angeles, CA USA, 6-10 July 2009. New York, NY, USA: Institute of Electrical and Electronics Engineers. doi: 10.1109/icws.2009.77

  • Le, Duy Ngan, Nguyen, Ngoc Son, Mous, Karel, Ko, Ryan Kok Leong and Goh, Angela Eck Soong (2009). Generating request web services from annotated BPEL. 2009 IEEE-RIVF International Conference on Computing and Communication Technologies: Research, Innovation and Vision for the Future, RIVF 2009, Da Nang, Vietnam, 13-17 July 2009. Piscataway, NJ United States: IEEE. doi: 10.1109/RIVF.2009.5174641

  • Ko, Ryan K. L., Jusuf, Andre and Lee, S. G. (2009). Genesis Dynamic Collaborative Business Process Formulation Based on Business Goals and Criteria. 2009 Congress on Services, Los Angeles, CA United States, 6-10 July 2009. Piscataway, NJ United States: IEEE. doi: 10.1109/services-i.2009.108

  • Mous, K., Ko, K. L., Lee, S. G., Tan, P. S. and Lee, E. W. (2007). High-level business processes for agile B2B collaboration. 35th International MATADOR Conference, Taipei, Taiwan , July 2007. London, United Kingdom: Springer.

Edited Outputs

Other Outputs

PhD and MPhil Supervision

Current Supervision

Completed Supervision