history of cryptography

Security Blogs

Medieval Encrypted Letter Decoded

AndyC 27 April 2026

Medieval Encrypted Letter Decoded Sent by a Spanish diplomat. Apparently people have been working on it since it was rediscovered...

Change Intelligence and Deployment Connectors for Liquibase Secure

Inventors of Quantum Cryptography Win Turing Award

AndyC 1 April 2026

Charles Bennett and Gilles Brassard have won the 2026 Turing Award for inventing quantum cryptography. I am incredibly pleased...

Lessons for life: Why children’s data is a long-term identity risk

AndyC 8 June 2026

Kids Online Your child’s first data breach may happen before they’ve even opened a bank account. Here’s how to keep their digital life safe. Phil...

This month in security with Tony Anscombe – May 2026 edition

AndyC 2 June 2026

In this roundup, Tony looks at attacks against Polish water treatment facilities, how AI-directed attacks failed in Mexico, and what Google believes is the first...

ESET APT Activity Report Q4 2025–Q1 2026

AndyC 2 June 2026

ESET ResearchThreat Reports An overview of the activities of selected APT groups investigated and analyzed by ESET Research in Q4 2025 and Q1 2026 Jean-Ian...

What to consider before asking an AI chatbot for health advice

AndyC 2 June 2026

Using chatbots for medical advice could elicit hallucinations and even expose you to security and privacy risks. Here’s what’s at stake and how to stay...

BTMOB: A stealthy RAT burrowing deep into Android devices

AndyC 27 May 2026

The malware pairs remote access capabilities with ready-made campaign tools, lowering the barrier for full device compromise Daniel Cunha Barbosa 26 May 2026 • ,...

Foul play: Fake FIFA websites target soccer fans looking for World Cup tickets, merchandise

AndyC 26 May 2026

Digital Security Watch out for bogus World Cup websites that mimic official ticket and merchandise flows to steal money and personal data Christian Ali Bravo...