Information security and digital payments; thoughts about current trends Security in RegTech's Playground Malicious Software. In Greek. PKI : The role of TTPs for the Development of secure Transaction Systems Reshaping Key Management: A Tale of Two Decades PKI: Is it worth something, or what? Certificate Revocation: What Is It And What Should It Be Evaluating Open Source Security Software ADoCSI: Towards a Transparent Mechanism for Disseminating Certificate Status Information E-Commerce Security: A Primer PKI: Overpromising and Underdelivering What is (not) Network Security Network Security: Putting Theory into Practice, the Wrong Way Addressing security issues in programming languages for mobile code - Conference Presentation 
