Board Member, International Cybersecurity Data Mining Society (2014 - present)
Organising Co-Chair, CDMC and DMC/ICSDS/AICS (2016 - present)
Committee member, ISO/IEC JTC 1/SC 27/WG 2 (Malaysia Chapter) (2011 - 2017)
Program Committee: International Conference on Information Security Practice and Experience (ISPEC 2019), Security in Computing and Communications (SSCC) 2016-18, ICONIP 2018 & 2020, PST 2024-2025, IEEE MetaCom 2025 (Track: Security, Privacy and Trust), The 7th International Conference on Science of Cyber Security - SciSec 2025
Reviewer: ACISP 2017, ACNS 2017, PLOSONE 2017, IEEE Access 2017, IEEE Trans. on Cloud Computing 2015, IET Networks 2015 ESORICS 2018-19, Asiacrypt 2014 & 2020, IEEE Trans on Information Forensic and Security (TIFS) 2020-2023, IEEE Trans on Dependable and Secure Computing (TDSC) 2023, Computer Networks 2025
Invited Speaker (17 August 2018), Searchable Symmetric Encryption: Designs and Challenges, I2R, A*STAR, Singapore
Guest Lecture (26 September 2018), Blockchain Fundamentals, SMU, Singapore
Guest Lecture (virtual, 01 November 2020), Searchable Symmetric Encryption: Techniques, Challenges and Research Directions, Beihang University, Beijing, China