Theo Nassiokas

Theo Nassiokas

Former APAC CISO
Barclays Bank

Formerly of Westpac, Standard Chartered and Barclays, Theo has a diverse experience ranging from law enforcement and criminal intelligence to risk and security strategy within government and financial services.

An acknowledged authority in security, risk, compliance and e-fraud, Theo has publicly spoken on these topics on many occasions. Theo holds an MBA (Tech Mgt), certifications in general and information security management (CPP and CISM) and is a member of the Association of Banks Singapore (ABS), Standing Committee on Cyber Security (SCCS).

Appearing at
Future Security SYD
1 September 2022
  • Hilton Sydney
The Future of Security, Sydney conference is FST’s dedicated security forum for NSW, exploring the most pressing issues of cybersecurity, resilience and diligence in the financial services industry. Join us at the Hilton in Sydney on Thursday, 1 September as...
Future Security MEL
30 August 2022
  • Marvel Stadium
The Future of Security, Melbourne is FST’s dedicated security forum for Victoria, exploring the most pressing issues of cybersecurity, resilience and diligence in the financial services industry. Join us at Melbourne’s Marvel Stadium on Tuesday, 30 August as we help...