[5/4 06:00] Anthropic $1.5B Wall Street AI venture / CISA 3-day KEV deadline AI exploit

AI News Flash for May 04, 2026 at 06:00 UTC. Topics: 1. Anthropic $1.5B Wall Street AI venture https://www.investing.com/news/stock-market-news/anthropic-close-to-finalizing-15-bln-ai-venture-with-wall-st-firms-wsj-93CH-4654954 2. CISA 3-day KEV deadline AI exploit https://www.insurancejournal.com/news/national/2026/05/04/868205.htm 3. Pipelock open-source AI agent firewall https://www.helpnetsecurity.com/2026/05/04/pipelock-open-source-ai-agent-firewall/ 4. Australia APRA AI enforcement threat https://www.claimsjournal.com/news/national/2026/05/04/337305.htm