SecurityWeek

SAP’s January 2026 Security Updates Patch Critical Vulnerabilities

The first round of SAP patches for 2026 resolves 19 vulnerabilities, including critical SQL injection, RCE, and code ...

All In One SEO WordPress Vulnerability Affects Over 3 Million Sites

A vulnerability in the AIOSEO plugin affecting up to 3 million installations adds to the six vulnerabilities found in 2025.

One click is all it takes: How ‘Reprompt’ turned Microsoft Copilot into a data exfiltration tool

A new one-click attack flow discovered by Varonis Threat Labs researchers underscores this fact. ‘Reprompt,’ as they’ve ...

Reprompt attack hijacked Microsoft Copilot sessions for data theft

Researchers identified an attack method dubbed "Reprompt" that could allow attackers to infiltrate a user's Microsoft Copilot ...

Exploit code public for critical FortiSIEM command injection flaw

Technical details and a public exploit have been published for a critical vulnerability affecting Fortinet's Security ...

This Microsoft Copilot AI attack took a single click to compromise users

Security researchers Varonis have discovered Reprompt, a new way to perform prompt-injection style attacks in Microsoft ...
SecurityWeek

New ‘Reprompt’ Attack Silently Siphons Microsoft Copilot Data

The Reprompt Copilot attack bypassed the LLMs data leak protections, leading to stealth information exfiltration after the ...

How this one-click Copilot attack bypassed security controls - and what Microsoft did about it

ZDNET's key takeaways Dubbed "Reprompt," the attack used a URL parameter to steal user data.A single click was enough to ...
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