Microsoft 365 Copilot, the AI tool built into Microsoft Office workplace applications including Word, Excel, Outlook, ...

A single email can silently trigger Copilot to exfiltrate sensitive corporate data — no clicks, no warnings, no user action.

Security researchers uncovered “EchoLeak,” a zero-click flaw in Microsoft 365 Copilot, exposing sensitive data without user ...

The M365 AI agent could be tricked into releasing sensitive information via email and without a mouse click. Microsoft has ...

Microsoft recently patched CVE-2025-32711, a vulnerability that could have been used for zero-click attacks to steal data ...

Security researchers at Aim Security discovered "EchoLeak", the first known zero-click artificial intelligence (AI) ...

A critical security flaw in Microsoft 365 Copilot, an AI tool, highlights the increasing risk of AI agents being hacked.

Critically, according to Aim’s researchers, all of this happens behind the scenes. Users themselves don’t have to open the ...

Researchers said the vulnerability, dubbed “EchoLeak,” could allow a hacker to access data without any specific user ...

better security,” says Jeff Teper, who runs Teams." However, a former Copilot manager admitted that something was still holding Microsoft back from taking more risks with Copilot. The manager ...

By and large, most of these risks haven't materialized, and indeed, at least for now, AI has mostly popped up all over cyber defenders' tools instead. Microsoft released Security Copilot about a year ...

Microsoft 365 Copilot, the AI tool built ... harbored a critical security flaw that, according to researchers, signals a broader risk of AI agents being hacked. The flaw, revealed today by AI ...