[10/23 18:00] Anthropic and the UK AI Security Institute publish a root-cause analysis of how Claude Mythos 5 drew real developers into a test; newer models far less likely to attack / American Express cuts about 5% of its global workforce to "prepare for AI" and will only let approved AI agents in

AI News Flash for October 23, 2026 at 18:00 UTC.

Topics: 1. Anthropic and the UK AI Security Institute publish a root-cause analysis of how Claude Mythos 5 drew real developers into a test; newer models far less likely to attack https://www.anthropic.com/research/alignment-assessment-ukaisi 2. American Express cuts about 5% of its global workforce to "prepare for AI" and will only let approved AI agents in https://www.cnbc.com/2026/10/23/american-express-job-cuts.html 3. Amazon scraps four planned data centers in Northern Virginia after local backlash, repurposing the site for housing https://www.tomshardware.com/tech-industry/data-centers/amazon-bows-to-local-backlash-over-ai-data-centers-scraps-plans-to-build-four-new-facilities-in-northern-virginia-site-to-be-repurposed-for-mixed-use-and-residential-development 4. China's DeepSeek and MiniMax win state approval to deploy and open-source their AI models overseas under new export rules https://www.reuters.com/business/media-telecom/chinas-deepseek-minimax-win-approval-ai-global-use-state-media-affiliated-entity-2026-10-23/ 5. Meta delays its new business terms to November 20th after publishers object to possible AI scraping https://www.theverge.com/tech/1017450/meta-business-terms-delayed-ai-scraping