First, a confession. When David and I started writing this series, we envisioned it would be completed after the third part. It appears we were a bit short-sighted. An astute reader challenged us to ...

The popular mobile messaging application WhatsApp Messenger has a major design flaw in its cryptographic implementation that could allow attackers to decrypt intercepted messages, according to a Dutch ...

The National Institute of Standards and Technology (NIST) is recommending a new algorithm for authenticating digital data for federal agencies. Called CMAC (cipher-based message authentication code), ...