'C-suite executives need to upskill themselves to really understand the threats': AI is becoming a tool for attackers and defenders, but true resilience requires a constantly changing strategy, says former GCHQ intelligence expert

Abstract digital human face. Artificial intelligence concept of big data or cyber security.

Artificial intelligence is fast becoming a game-changer for cybersecurity, with new frontier models such as Claude Mythos and OpenAI's GPT-5.5 demonstrating their capabilities in hunting software vulnerabilities and evaluating how they can be chained to harm an organization.

But these models have proven to be a double-edged sword, with both companies disclosing incidents where their models have escaped sandbox testing and compromised other organizations.