What it checks
System accounts with a login shell.
Why it matters
A hijacked service account gains interactive access.
How to fix
Set system-account shells to nologin/false.
InfraGuard runs all 36 checks across your servers at once and grades each host A–F.
Track these versions on your own servers
InfraGuard collects installed software versions from every server and flags the ones with known vulnerabilities. Self-hosted — nothing leaves your network.