Secret Detection

GitLab (fewer requirements)
Minimum hardware requirements: 4 vCPU and 4 GB RAM support up to 500 users. No specific recommendation for disk size.
Secret Detection - Analyze Git history for leaked secrets.
Supporting up to 3000 users, requires 8 vCPUs, 48 GB RAM, 300 GB attached storage, 200 GB root storage.
Secret scanning - Detect secrets, for example keys and tokens, that have been checked into the repository. Part of GitHub Advanced Security