New Shai-Hulud attack trojanizes 19 science-focused PyPI packages

Hackers compromised 19 packages on the PyPI, collectively downloaded hundreds of thousands of times, in a new Shai-Hulud ...

For the 2nd time in weeks, Microsoft packages laced with credential stealer

Dozens of cryptographically verified open source packages from Microsoft were compromised late last week to add advanced credential-stealing code that was triggered when developers opened them in AI ...

When Claude changed, everything changed: Managing AI blast radius in production

We built it on Claude Sonnet 3.5 in early 2025. We upgraded to 3.7 without incident, and to 4.0 without incident. By the time ...