Seriously Risky Business Newsletter
June 25, 2026
Srsly Risky Biz: Open Weight Model Advances Make the Mythos Debate Moot
Presented by
Policy & Intelligence
This week, the Five Eyes cyber security agencies issued a call-to-action, warning that AI is accelerating "the speed, scale, and sophistication of cyber threats".
The thinking behind the call-to-action is clear, here. The Five Eyes believe it is no longer possible to limit AI's powerful, offensive cyber security capabilities to benign actors. AI is lowering barriers for malicious actors and shrinking the window between vulnerability discovery and exploitation. Organisations need to be ready, because the genie is out of the bottle.
They're not wrong. Freely available open weights models have closed the gap with frontier models to the extent that they're now extremely useful in orchestrating various offensive cyber security tasks.