When Anthropic rolled out Claude Code Security on February 20, 2026, cybersecurity stocks dropped, and the LinkedIn and X echo chambers swung into full gear: AppSec is dead. No, it isn’t. Yes, it is. Now that Claude Security (I guess they dropped the ‘Code’ piece) is available in public beta for users on Claude Enterprise plans, we wanted to take a step back to ask: where does Claude Security fit into the security landscape, what is the immediate impact on AppSec teams, and how will vendors respond in the long run? In this post, we’re reviewing the (albeit short) history of Claude Code…