Program Committee Member, Conferences & Workshops:

2026:  PETS/PoPETS
2025:  PETS/PoPETS, ESORICS, ARES,  SEC@SAC
2024:  CCS,  PETS/PoPETS,  ESORICS,  FC,  ICBC (poster co-chair),  ARES,  SEC@SAC,  CODASPY,  EICC
2023:  ESORICS,  NSS,  SEC@SAC
2022:  ESORICS,  SEC@SAC
2021:  CCS,  ESORICS
2019:  Indocrypt,  PST
2018:  PST,  SS7@CSNDSP
2017:  GPC,  PST, WICSPIT

Guest Editor, Journal:

 Techniques and Protocols to Preserve and Enhance Privacy (2020–2021)
Special Issue of Cryptography (MDPI)

Advisory Panel Member:

ICO PETs Expert Forum: UK Information Commissioner's Office Privacy-Enhancing Technologies Expert Forum (2021–2022)
 SPRITE+: Expert Fellow, EPSRC-funded NetworkPlus on Security, Privacy, Identity, & Trust in the Digital Economy (since 2019)

Programme External Examiner & Validator:

External Examiner, Edinburgh Napier University
 Cyber Security MSc programme (since 2025)
External Validator, Teesside University
 Cyber Security BSc programmes (2021)
External Validator, University of Huddersfield
 Cyber Security & Digital Forensics MSc programme (2020)

Research Degree Examiner:

External Examiner
PhD, Technological University of the Shannon: Blockchain payment channel networks (2025)
PhD, University of Surrey: Anonymous digital signatures (2024)
PhD, University of Warwick: Verifiable Electronic Voting (2024)
MPhil, De Montfort University Leicester: Web Tracking Measurement (2023)
PhD, University of Warwick: Authentication of caller ID and banknotes (2023)
PhD, University of Melbourne: Empirical analysis of cryptocurrency systems (2023)
PhD, Trinity College Dublin: Blockchain Layer 2 protocol design (2022)
PhD, University of Birmingham: Blockchain-based security protocols (2022)
PhD, University of Melbourne: E-voting security (2020)
Internal Examiner, University of York
MRes, Cyber attack impact on human right defenders (2024)
PhD, Graphical authentication for children (2023)
PhD, Mitigating cache side-channel attacks (2022)
PhD, Behavioural profiling of blockchain gambling (2022)
PhD, Password management behaviour (2020)
PhD, Intrusion detection (2019)

Reviewer, Funding Organisations:

 EPSRC: Eng. & Phys. Sci. Research Council
 ESRC: Economic & Social Research Council
 SNSF: Swiss National Science Foundation
 REPHRAIN: National Research Centre on Privacy, Harm Reduction and Adversarial Influence Online (since 2022)
 Not-Equal: UKRI NetworkPlus (2019)
 Newton Prize: Newton Fund (2019)

University Service:

Member, Information Security Board (since 2023)
 Records Management & Information Governance page
Member, Academic Ethics Compliance Committee (since 2023)
 AECC web page
Co-Chair & Member, Physical Sciences Ethics Committee (since 2022 & 2019)
 AECC web page

Departmental Service:

Deputy Chair, Graduate School Board (since 2024)
 Staff Intranet
Lead, Cyber Security and Privacy Research Group (since 2023)
 Research Group Details
Member, Departmental Research Committee (since 2021)
 Terms of Reference and Membership Information
Programme Lead, MSc Cyber Security (since 2020)
 Programme Details
Admissions Advisor, MSc Cyber Security (2017–2022)
 Programme Details

Reviewer, Journals:

 La Matematica (2023),  PoPETs (2023),  IWC (2021),  CoSe (2019, 2018),  IEEE Access (2018),  IEICE TIS (2017),  IEEE TDSC (2016, 2015, 2013, 2013),  ACM TOPS (2016),  JISA (2015),  IEEE TIFS (2014, 2012, 2011),  IEEE TCC (2014),  IJCS (2013),  AMC (2013),  JCST (2013),  IEEE TIT (2011),  JSS (2010, 2009, 2009),  DCC (?)

Reviewer, Conferences & Workshops:

 NordiCHI (2020),  IMACC (2017),  ASIACCS (2015, 2011, 2008, 2006),  CCS (2015, 2006),  CT-RSA (2015, 2014, 2010, 2008),  DSN (2015),  ESORICS (2015, 2010),  ACNS (2014, 2010, 2006),  AfricaCrypt (2014, 2009, 2008),  CANS (2014, 2007),  PKC (2012, 2009),  FC (2011),  ACISP (2010, 2009, 2008, 2007),  AsiaCrypt (2010, 2008, 2006),  IndoCrypt (2010, 2008, 2006),  ICISC (2009, 2007),  EuroCrypt (2008),  Crypto (2007),  InsCrypt (2007),  ISC (2007),  ARES (2006),  ICICS (2006),  ISPEC (2006), SecUbiq (2006)