AI Summary

A vulnerability in Microsoft 365 Copilot Enterprise Search has been discovered, allowing potential attackers to access sensitive information. Researchers at Varonis Threat Labs identified a chain of three bugs that could be exploited to exfiltrate emails, calendar details, and indexed files from the search function. The vulnerability was triggered by a single click on a trusted Microsoft link, which pointed to a legitimate microsoft.com domain. The issue highlights the potential risks associated with trusted links, even when they appear to be legitimate. Traditional anti-phishing and URL filtering tools were ineffective in detecting the vulnerability, underscoring the need for continued vigilance in cybersecurity measures.

AI summaries can be wrong sometimes—always verify important details using the source article.