InfraGuard

Security check: World-writable files

World-writable files/dirs without sticky bit.

WarningFilesystem perms

What it checks

World-writable files/dirs without sticky bit.

Why it matters

A tampering, symlink-attack and escalation path.

How to fix

Remove needless write bits; set sticky on shared dirs.

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.

Weekly exploited-vulnerability digest

The KEV additions that matter for self-hosted servers, once a week. No other mail.