In June 2025, security researchers discovered the first zero-click vulnerability in Microsoft’s AI application, Copilot. This critical flaw, known as EchoLeak, allows attackers to exfiltrate sensitive data without any user interaction. The implications of this discovery are significant for organizations relying on cloud-based tools like Microsoft 365 and highlight a new era of AI-driven cyber threats. Check Point Research published an analysis detailing how Copilot’s architecture can be exploited through what they term EchoLink, which marks the start of zero-click exploits in AI systems. This vulnerability underscores the need for advanced security measures that go beyond traditional safeguards to protect against sophisticated attacks leveraging machine learning and artificial intelligence technologies.
As AI integrates deeper into enterprise solutions like Microsoft 365 Copilot, companies face a growing risk from AI-driven cyber threats. Third-party research confirms this trend with Check Point Software Technologies highlighting how EchoLink exemplifies the emergence of zero-click exploits that exploit the vulnerabilities in conversational AI platforms. Such findings emphasize the importance of developing comprehensive security frameworks capable of detecting and preventing these new forms of attack without relying on user intervention or interaction.
Zero-Click Exploits: A New Era of Cyber Threats in AI Environments
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What is EchoLeak?
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