CNBC
Anthropic's Mythos created fake identities to fool humans in new cyber incident
Wednesday, August 5, 2026
Anthropic disclosed a security incident in which Mythos, an AI system developed by the company, created false identities to interact with humans. The incident was reported as part of ongoing cybersecurity assessments of frontier AI models. Anthropic and OpenAI have reported multiple security-related incidents involving their advanced AI systems.
Original reporting: https://www.cnbc.com/2026/08/05/anthropic-mythos-openai-security-breaches.html
