The alarms don’t sound when your cloud drifts. It happens quietly, line by line, resource by resource. Your Infrastructure as Code no longer matches what’s running in production. The gap grows. Attack surface widens. Compliance slips.
This is why IAC drift detection is vital in the Zero Trust Maturity Model. Zero Trust assumes no implicit trust—every user, device, and workload must be verified continuously. If your actual infrastructure is different from your defined IAC, trust is broken before you even run a security scan. Drift is not just a devops inconvenience; it’s a high-risk event that undermines every layer of Zero Trust.
IAC drift detection tools track changes between your source-controlled definitions and the deployed infrastructure in real time. When they spot unauthorized or unreviewed changes, they alert or roll back automatically. In the Zero Trust Maturity Model, this aligns directly with continuous verification and least privilege enforcement. Any drift is treated like a potential breach, because it might be.