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Continuously checking your cloud configuration against what secure should look like.
Quick Definition
Security posture management is the continuous assessment and improvement of an environment's security state. It identifies misconfigurations, vulnerabilities, and compliance gaps across cloud resources, providing the visibility and automated remediation needed to keep risk low as environments change.
Security posture management is the continuous, automated assessment of cloud environments against security best practices and compliance baselines: finding the public storage bucket, the over-permissive role, the unencrypted database, the unused credential, across thousands of resources, all the time. The tool category is called CSPM.
Posture work matters because cloud breaches are overwhelmingly configuration stories, not exotic exploit stories. Environments change constantly, every deployment can introduce a misconfiguration, so point-in-time audits are obsolete the day after they finish. Continuous evaluation with prioritized findings is the only model that matches the rate of change.
Example. A posture scan flags a database snapshot shared publicly, left over from a debugging session. It is locked within an hour of detection. The annual audit would have found it eight months later, or the internet would have found it first.
Posture findings and cost findings often overlap, unused resources are both attack surface and waste, and both disciplines run on the same inventory and ownership data. The cloud security overview and the AWS vs Azure security comparison cover the landscape.
Vulnerability scanning finds flawed software. Posture management finds flawed configuration: permissions, exposure, encryption, and policy violations.
Internet-exposed resources, public data stores, and over-broad credentials. Exposure plus sensitivity drives priority.
Yes. The mature pattern pushes the same rules into policy as code at deployment time, so violations are blocked rather than found.