A security researcher published details of three security vulnerabilities in Windows Defender, and the code used to exploit ...

Plus: The FBI says a recent hack of its wiretap tools poses a national security risk, attackers stole Cisco source code as part of an ongoing supply chain hacking spree, and more.

Update, July 22, 2025: This story, originally published on July 20, has been updated with an expert counterpoint to the idea that it’s the delivery mechanism being what’s important in the latest ...