News

First Known Zero-Click AI Exploit: Microsoft 365 Copilot’s ‘EchoLeak’ Flaw
Security researchers uncovered “EchoLeak,” a zero-click flaw in Microsoft 365 Copilot, exposing sensitive data without user ...
Microsoft Copilot's own default configuration exposed users to the first-ever "zero-click" AI attack, but there was no data breach
Aim Labs recently shared findings about the first-ever zero-click AI attack impacting Microsoft 365 Copilot, though there's ...
SecurityWeek1d
‘EchoLeak’ AI Attack Enabled Theft of Sensitive Data via Microsoft 365 Copilot
Microsoft recently patched CVE-2025-32711, a vulnerability that could have been used for zero-click attacks to steal data ...
Security researchers found a zero-click vulnerability in Microsoft 365 Copilot.
The vulnerability, called “EchoLeak,” lets attackers “automatically exfiltrate sensitive and proprietary information” from Microsoft 365 Copilot without knowledge of the user, according to findings ...
CSO Online1d
First-ever zero-click attack targets Microsoft 365 Copilot
A single email can silently trigger Copilot to exfiltrate sensitive corporate data — no clicks, no warnings, no user action.
ET CIO3h
The silent threat in your AI stack: Why EchoLeak is a wake-up call for CXOs
Discover the silent threat of EchoLeak, a new vulnerability in AI systems that can lead to data leakage without user ...
Researchers find 'dangerous' AI data leak flaw in Microsoft 365 Copilot: What the company has to say
A critical AI vulnerability, 'EchoLeak,' was discovered in Microsoft 365 Copilot by Aim Labs researchers in January 2025.
Microsoft fixes first known zero-click attack on an AI agent
EchoLeak affected Microsoft 365 Copilot, the AI assistant integrated across several Office applications, including Word, ...
Exclusive: New Microsoft Copilot flaw signals broader risk of AI agents being hacked—’I would be terrified’
Microsoft 365 Copilot, the AI tool built into Microsoft Office workplace applications including Word, Excel, Outlook, ...
Hackers successfully attacked an AI agent, Microsoft fixed the flaw: Here’s why it’s scary
It didn’t start with a ransom note, there were no system crashes, no screens held hostage. Just an AI assistant, Microsoft ...
Microsoft 365 Copilot’s Data Exposed – Hit by Zero-Click Vulnerability
Security researchers at Aim Security discovered "EchoLeak", the first known zero-click artificial intelligence (AI) ...
Critical flaw in Microsoft Copilot could have allowed zero-click attack
Researchers said the vulnerability, dubbed “EchoLeak,” could allow a hacker to access data without any specific user ...