Microsoft Defender now discovers local AI agents and MCP server configurations across managed endpoints, while preview runtime protection can audit or block prompt-injection attempts in Claude Code and GitHub Copilot CLI before risky tool actions execute.
Anthropic launched Claude Sonnet 5 with lower launch pricing, stronger agentic behavior, Claude Code support, and broad availability across Claude plans. For developers, the useful question is not whether it is the flashiest Claude model, but whether its cost, context window, and migration changes make long-running agents easier to put into production.