Vulnerabilities and exploits: where are we headed?

In Are Mythos’ cyber capabilities overhyped?, co-authored with Epoch AI, we looked at the public evidence on how good Mythos Preview was at vulnerability discovery and exploit development. In this post, I consider the implications. For vulnerability discovery: moving from sparse sampling to dense sampling, AI vs fuzzing, long-term defense dominant but bumpy ride in 2026-2027 due to slow patch rollouts; offline vs online exploitation and why both are offense-dominant, except for one defensive use...