How do you ensure secure configuration management?

How to answer this security questionnaire question, with an expert response your security or GRC team can adapt.

Expert answer

Manage configuration as code, enforce secure baselines, detect and remediate drift automatically, and require review for changes. Version-control configuration and audit changes.

What the security reviewer is checking

Misconfiguration is a leading cause of cloud breaches, so the reviewer wants proof that your infrastructure state is defined, reviewed, and continuously verified rather than hand-managed. Strong signals include infrastructure as code with mandatory peer review, hardened baseline images aligned to a benchmark such as CIS, automated drift detection that flags out-of-band changes, and a cloud security posture management (CSPM) capability that scans for misconfigurations like public storage buckets or overly permissive security groups. They also check whether findings feed a remediation process with owners and timelines, not just a dashboard nobody reads.

Example response you can adapt

This is an illustrative template, not a real vendor's security posture. Replace every claim with what is actually true for your organization before submitting it.

All production infrastructure is defined as code and changes only through pull requests that require peer review and passing policy checks — no console-based changes are permitted, and IAM policy prevents manual modification outside the deployment pipeline. Compute runs on hardened, minimal container base images rebuilt on a regular cadence, with configuration baselines derived from CIS Benchmarks for our cloud provider and Kubernetes. Static policy-as-code scanning runs on every infrastructure change before merge, blocking known-bad patterns such as unencrypted storage or world-open security groups. In runtime, a cloud security posture management tool continuously evaluates our accounts against benchmark rules and alerts on drift between deployed state and the code-defined state; unauthorized out-of-band changes page the on-call engineer. Findings are triaged into our vulnerability management workflow with severity-based SLAs, and configuration standards are reviewed when the architecture changes and at least annually.

Evidence reviewers expect you to attach

Configuration or hardening standard referencing the benchmark you follow (e.g., CIS)
Sample infrastructure-as-code pull request showing review and policy checks (sanitized)
CSPM summary report or misconfiguration findings trend
Change management policy for infrastructure changes

Follow-up questions reviewers ask next

Can engineers make manual changes in the cloud console, and would you detect it?
Which benchmark are your baselines derived from, and how do you track exceptions?
How quickly are critical misconfigurations remediated once detected?
Are container images scanned and rebuilt on a schedule?
How is secrets configuration managed and kept out of code repositories?

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