AI Cyber: From 81% Hack Rate to Full Network Takeover in One Week
The Capability Jump
Tuesday's briefing put AI offensive capability at 81% success on individual tasks. This week's data is a category change, not another tick on the curve. AISI confirmed Anthropic's Mythos as the first model to clear both simulated attack ranges end-to-end. Full network takeover, not persistence and not lateral movement. OpenAI's GPT-5.5-cyber completed one of the two. The trend line in AI cyber task completion was already doubling every few months. These results broke above that trend.
The security model of the defensive stack was built on the premise that the cost of understanding the agent exceeded the value of bypassing it for most adversaries. That premise is no longer true for a growing share of the threat population.
EDR Is Now a Glass Box
TrustedSec ran LLMs against five commercial EDR products and found all five share the same architectural pattern: YARA-style rules, behavioral logic, allowlists, prefilters, Lua scripting engines readable after a single decryption pass, and local ML classifiers. Work that took a skilled reverse engineer weeks now takes days with AI assistance. The entire endpoint security category has been running on security-through-obscurity. The obscurity just left the building.
The Exploit Window Has Collapsed
PraisonAI was actively exploited 4 hours after disclosure. Microsoft's MDASH system found 16 exploitable flaws in a single Patch Tuesday cycle using multi-model AI analysis. An 18-year undetected RCE in NGINX's rewrite module is the other half of the story: foundational infrastructure harbors defects nobody audited. AI-powered vulnerability discovery, with Mozilla finding 271 real bugs in Firefox using custom harnesses, is compounding the problem from both sides at once.
The Market Response
OpenAI's Daybreak launched with CrowdStrike, Palo Alto Networks, Cisco, Cloudflare, Oracle, Zscaler, Akamai, and Fortinet as partners. Congress is holding closed-door Mythos demos, with access routed through NSA over CISA. That ordering prioritizes offensive and intelligence operations over civilian defense, which means the private sector is on its own for several years. Security equities are up 20% YTD. The market is starting to price this in and is almost certainly underpricing it.
The Foxconn Compound
Nitrogen ransomware exfiltrated 8TB of confidential designs from Apple, Intel, Google, and Nvidia through a single contract manufacturer. Separately, a Raspberry Pi honeypot dressed as an AI stack was indexed by Shodan in 3 hours and absorbed 113,000+ attacks in a month. A reasonable skeptic would say these are two different stories. They are not. Supply chain custody risk and AI infrastructure exposure are the same asset class under two custody regimes, and both are being probed at machine speed.
What to do
Commission red team exercise targeting your EDR with AI-assisted reverse engineering within 30 days
Rewrite patch SLAs to 72-hour maximum for internet-facing critical vulnerabilities by end of Q3
Audit all AI infrastructure tooling (LiteLLM, Ollama, model registries) for security posture — many deployed without review
Evaluate AI-powered defensive vulnerability scanning for your own codebase before adversaries operationalize the same capability