Microsoft Threat Intelligence provides analysis of a ClickFix campaign that uses fake CAPTCHA prompts, DLL sideloading, and a reverse tunnel, with detections and hunting guidance.

A clever technique used to hide malicious prompts in attacks on AI agents has been adopted by spammers to evade filters on ...

A researcher’s social media post revealing how to break part of a popular encryption protocol has gone viral. But did he ...

A technique used in prompt injection attacks has made it into phishing, Microsoft has warned.

A phishing campaign sent up to 2.37 million weekday emails using invisible Unicode tags to split financial lure words and bypass filters.

Microsoft Security Research reported on September 3 that a high-volume phishing campaign used invisible Unicode tag characters to split financial lure words and evade email-filter parsing. Microsoft ...

Researchers observed a high-volume phishing campaign that inserted invisible Unicode tag characters into financial terms such ...