Tutorial: Security scanning in air-gapped environments

Air-gapped environments are computer networks isolated from unsecured networks to enhance security, data protection, and critical infrastructure defense against cyber threats. This isolation is essential for safeguarding sensitive data and complying with regulatory requirements, especially in sectors like government, healthcare, and finance. Despite their isolation, these systems can still possess vulnerabilities that require regular security scanning. GitLab offers various security scanners, such as SAST, DAST, and Secret Detection, which can be configured to operate in air-gapped environments by utilizing local container registries. Running these scanners in such settings involves downloading the necessary container images from an internet-connected environment, transferring them to the offline network, and loading them into an internal registry. The process ensures that security scans can be performed without external connectivity, thereby maintaining the integrity of air-gapped systems.

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