Anthropic Mythos vs OpenAI GPT-5.5: How Frontier LLMs Are Changing Software Hacking and How to Defend

Frontier LLMs like Anthropic Mythos and OpenAI GPT-5.5 are fundamentally changing software hacking by significantly aiding in vulnerability discovery and exploit development. This shift compels security teams to re-evaluate their defensive strategies and learn how to leverage these powerful models without inadvertently exposing new attack surfaces.