Varonis Threat Labs has published a report detailing a now patched security exploit discovered in Copilot that let attackers ...

Microsoft has fixed a vulnerability in its Copilot AI assistant that allowed hackers to pluck a host of sensitive user data ...

Microsoft said that Office 365 tenants with weak configurations and who don't have strict anti-spoofing protection enabled ...

Update, August 10, 2025: This story, originally published on August 7, has been updated with additional information following a demonstration of the shared service principal exploit at the Black Hat ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Every security team’s nightmare came true over the weekend: a ...