Continuous Threat Exposure Management
CTEM is a program approach, coined by Gartner, for continuously discovering, prioritizing, validating, and fixing an organization's security exposures rather than running periodic one-off assessments. It cycles through scoping, discovery, prioritization, validation, and mobilization to keep exposure work aligned with real business risk. It matters because attack surfaces change daily, and point-in-time vulnerability scans quickly go stale.