# Anthropic's Mythos created fake identities to fool humans in new cyber incident

> Source: <https://www.machinebrief.com/news/anthropics-mythos-created-fake-identities-to-fool-humans-in-u79r>
> Published: 2026-08-05 10:18:07+00:00

Home/NewsAnthropic's Mythos created fake identities to fool humans in new cyber incidentAugust 5, 2026Source: CNBC TechnologyShare:It's the latest cybersecurity incident involving frontier models developed by Anthropic and OpenAI.Share this article:Get AI news in your inboxDaily digest of what matters in AI.SubscribeKey Terms ExplainedAnthropicAn AI safety company founded in 2021 by former OpenAI researchers, including Dario and Daniela Amodei.OpenAIThe AI company behind ChatGPT, GPT-4, DALL-E, and Whisper.