Anthropic Red Teaming: GLM-5.3 and the spread of advanced cyber capabilities.

The open-weight models are now strong enough to discover vulnerabilities in heavily-fuzzed open source codebases.

We are past the point where wishing that we could put the cybersecurity LLM genie back in the bottle is a viable strategy.

The sooner we come to terms with living in a post-Fable cybersecurity world, the better.

Trying to avoid the problem is now in the past; we have to figure out how to survive in this new world.

The dumpster fire isn't going away, it's just getting started.