A new one-click attack flow discovered by Varonis Threat Labs researchers underscores this fact. ‘Reprompt,’ as they’ve ...
Varonis found a “Reprompt” attack that let a single link hijack Microsoft Copilot Personal sessions and exfiltrate data; Microsoft patched it in January 2026.
ZDNET's key takeaways Dubbed "Reprompt," the attack used a URL parameter to steal user data.A single click was enough to ...
The Reprompt Copilot attack bypassed the LLMs data leak protections, leading to stealth information exfiltration after the ...
Researchers identified an attack method dubbed "Reprompt" that could allow attackers to infiltrate a user's Microsoft Copilot session and issue commands to exfiltrate sensitive data.
Varonis Threat Labs has published a report detailing a now patched security exploit discovered in Copilot that let attackers ...
Reprompt is a Copilot exploit, that can use multi-stage prompts to steal user data, but thankfully it's already been patches.
Researchers have unveiled 'Reprompt', a novel attack method that bypasses Microsoft's Copilot AI assistant security controls, enabling data theft through a single user click.
The first Patch Tuesday (Wednesday in the Antipodes) for the year included a fix for a single-click prompt injection attack ...
Microsoft has fixed a vulnerability in its Copilot AI assistant that allowed hackers to pluck a host of sensitive user data ...