A $90 Key into Your Company's Secrets

The cost of an autonomous 32-step corporate break-in fell 99% in five months from $7,500 on Claude Mythos Preview in April 2026 to $90 on open-weight GLM-5.3. Attackers run an expected-value calculation on AI compute ($1m of compute for a 1% shot at a $1b payout yields $10m in expected value), while defenders must maximize security effectiveness across speed (responding in minutes or seconds), scale (parallel agent swarms), & breadth (82-to-1 non-human identities).