Critical Security Flaw in Microsoft 365 Copilot Raises Zero-Click Attack Concerns

1 min read
Source: BleepingComputer
Critical Security Flaw in Microsoft 365 Copilot Raises Zero-Click Attack Concerns
Photo: BleepingComputer
TL;DR Summary

Researchers uncovered 'EchoLeak,' a critical zero-click vulnerability in Microsoft 365 Copilot that allows silent exfiltration of sensitive data through prompt injection, highlighting emerging risks in AI-integrated enterprise systems. Microsoft fixed the flaw in May, with no evidence of exploitation, but the attack demonstrates the need for enhanced defenses against LLM scope violations.

Share this article

Reading Insights

Total Reads

0

Unique Readers

0

Time Saved

2 min

vs 3 min read

Condensed

90%

53652 words

Want the full story? Read the original article

Read on BleepingComputer