Microsoft

ACR Stealer: Two observed intrusion chains amid increased threat activity

From late April 2026 to mid-June 2026, Microsoft Defender Experts observed increased ACR Stealer activity across customer ...

Now, even Russia’s most elite hackers are using Clickfix to infect devices

One of the Russian government’s most elite hacking groups has adopted an attack, known as Clickfix, to compromise devices ...
Campus Technology

Cybersecurity Researchers Identify First Fully Autonomous AI-Driven Ransomware Attack

Threat researchers at cloud security firm Sysdig have disclosed what they describe as the first documented ransomware operation carried out end-to-end by an autonomous AI agent, with no human typing ...
GitHub

classical-cryptography

A Python implementation of the classical Rail Fence cipher with encryption and decryption support. Built for educational purposes to understand zigzag-based transposition and historical cryptographic ...