[4/21 22:00] SpaceX SEC filing warns orbital AI data centers not commercially proven / Anthropic Mythos model unauthorized access

AI News Flash for April 21, 2026 at 22:00 UTC. Topics: 1. SpaceX SEC filing warns orbital AI data centers not commercially proven https://www.reuters.com/world/spacex-says-unproven-ai-space-data-centers-may-not-be-commercially-viable-filing-2026-04-21/ 2. Anthropic Mythos model unauthorized access https://www.bloomberg.com/news/articles/2026-04-21/anthropic-s-mythos-model-is-being-accessed-by-unauthorized-users 3. Florida AG criminal probe on OpenAI over FSU shooting https://www.tallahassee.com/story/news/local/2026/04/21/florida-launches-criminal-investigation-into-openai-after-fsu-shooting-chatgpt/89714843007/ 4. Beijing tightens grip on China-shedding AI firms https://www.washingtonpost.com/world/2026/04/21/china-ai-competition-manus-meta/ 5. Cisco AI Agent Security Scanner for IDEs https://blogs.cisco.com/ai/introducing-the-ai-agent-security-scanner-for-ides-verify-your-agents