22 Apr 2026

HackerOne, a pioneer in Continuous Threat Exposure Management (CTEM), announces h1 Validation, a new offering designed to help enterprises manage the surge and complexity of vulnerabilities uncovered by frontier AI models.

As systems like Claude Mythos and OpenAI’s GPT-5.4-Cyber accelerate vulnerability discovery speed and scale, the gap between discovery and remediation is widening, while adversaries move faster to exploit them.