How ‘Reprompt’ Attack Let Hackers Steal Data From Microsoft Copilot

Varonis found a “Reprompt” attack that let a single link hijack Microsoft Copilot Personal sessions and exfiltrate data; Microsoft patched it in January 2026.

How a simple link allowed hackers to bypass Copilot's security guardrails - and what Microsoft did about it

Reprompt impacted Microsoft Copilot Personal and, according to the team, gave "threat actors an invisible entry point to perform a data‑exfiltration chain that bypasses enterprise security controls ...

StealC hackers hacked as researchers hijack malware control panels

A cross-site scripting (XSS) flaw in the web-based control panel used by operators of the StealC info-stealing malware ...
IEEE

ModSec-AdvLearn: Countering Adversarial SQL Injections With Robust Machine Learning

Abstract: Many Web Application Firewalls (WAFs) leverage the OWASP Core Rule Set (CRS) to block incoming malicious requests. The CRS consists of different sets of rules designed by domain experts to ...