Retaining defensive advantage in the age of frontier AI cyber capabilities As AI accelerates vulnerability discovery, organisations must raise their security baselines to safeguard their cyber security. Richard Horne This blog post was originally published as a letter in the Financial Times 15th April 2026. A step change in frontier AI models’ capabilities to find vulnerabilities in code can ultimately be a good thing for our cyber security. Suppliers of technology can use AI to identify and fix vulnerabilities in their products and services throughout their lifecycles, keeping customers and users safe from new threats. But the path to reaching this point brings significant risk and requires urgent action. In the immediate term, we will increasingly see AI exposing those organisations…