Microsoft Copilot reprompt exploit allowed attackers to steal your AI data

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

A single click mounted a covert, multistage attack against Copilot

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

Phishers Exploit Office 365 Users Who Let Their Guard Down

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

Phishing actors exploit complex routing and misconfigurations to spoof domains

Threat actors are exploiting complex routing scenarios and misconfigured spoof protections to send spoofed phishing emails, ...
Forbes

Emergency Microsoft Security Warning Confirmed — Act Now, CISA Says

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 ...
Dark Reading

Microsoft Patches 137 CVEs in July, but No Zero-Days

In a break from recent months, Microsoft's security update for July contains no zero-day bugs. But with 137 newly disclosed vulnerabilities, including one that has been publicly disclosed already, it ...
Hosted on MSN

Most People Don't Use These Hidden Features in Windows Security

Windows Security does more than just basic virus protection. It guards against phishing, blocks ransomware, and prevents malicious apps from running. However, these features aren't easy to ...
Forbes

Homeland Security Alert—Ongoing Critical Microsoft Outlook Attack

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. ForbesNew Facebook Attack Warning—What You Need To Do Right ...