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 ...

Researchers found an indirect prompt injection flaw in Google Gemini that bypassed Calendar privacy controls and exposed ...

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

Miggo’s researchers describe the methodology as a form of indirect prompt injection leading to an authorization bypass. The ...

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

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