Crypto
OpenAI's GPT-5.5 Matches Claude Mythos in Cyberattack Capabilities: AI Security Institute
OpenAI's GPT-5.5 is the second AI system to complete a simulated corporate network intrusion end-to-end, raising alarms.
D
Decrypt
May 1, 2026·1 min read
Image: Decrypt
OpenAI's GPT-5.5 is the second AI system to complete a simulated corporate network intrusion end-to-end, raising alarms.
Original article
OpenAI's GPT-5.5 Matches Claude Mythos in Cyberattack Capabilities: AI Security Institute
Published by Decrypt