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

Microsoft has patched the critical 'EchoLeak' vulnerability in Microsoft 365 Copilot, a flaw that allowed attackers to ...

What This Vulnerability Teaches Us About AI SecurityThe recent disclosure of EchoLeak by Aim Labs marks a significant milestone in AI security research. As the first documented zero-click exploit ...

The vulnerability, called “EchoLeak,” lets attackers “automatically exfiltrate sensitive and proprietary information” from ...

Researchers have discovered the very first Zero-Click weak point in a AI assistant. Microsoft 365 Copilot allowed attackers ...

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

Aim Labs recently shared findings about the first-ever zero-click AI attack impacting Microsoft 365 Copilot, though there's no evidence bad actors managed to access sensitive user data.

Microsoft 365 Copilot, the AI tool built into Microsoft Office workplace applications including Word, Excel, Outlook, PowerPoint, and Teams, harbored a critical security flaw that, according to ...

A critical AI vulnerability, 'EchoLeak,' was discovered in Microsoft 365 Copilot by Aim Labs researchers in January 2025. This flaw allowed attackers ...

Jun 12, 2025 13:52:00 A zero-click attack method 'Echoleak' that sends emails to manipulate AI and steal confidential information has been discovered, and there is a risk to all AI systems such as ...