Anthropic brings its Mythos bug-hunting model to Cisco and IBM security products

Cisco's AI Defense and IBM's Concert Protect will tap Claude Mythos as Anthropic widens access to its tightly controlled vulnerability-finding model Anthropic is letting two of enterprise tech’s oldest names plug its Mythos model into their security products. Cisco and IBM will embed the bug-finding AI into tools their customers already use. The pitch is simple. Find the holes in software before attackers do, and use an AI that is good at thinking like an attacker to do it. What Cisco and IBM are actually building Anthropic disclosed the expansion on November 9, 2026. Cisco is folding Mythos into its AI Defense product, where it will power adaptive red teaming of AI applications and agents. Red teaming is the security world’s version of hiring a burglar to test your locks. The idea is to attack your own systems on purpose so you find the weak points first. Jeff Schultz, Cisco’s senior vice president for portfolio strategy and marketing, described AI Defense as a tool built to probe models and break them. He said Mythos will help it surface more threats, which AI Defense can then work to fix. “At a very high level, AI Defense has the ability to look at models and break them,” said J...