Free Microsoft 365 security tools
The tools our security engineers run on real tenants, free for you to run on yours. Each one checks one area of Microsoft 365. Griffin31 checks them all, all the time.
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Conditional AccessConditional Access Policy AnalyzerScore your Conditional Access policies and find the gaps attackers use.
IdentityEntra App Registration AuditFind risky app permissions, expiring credentials and unused apps.
Data and collaborationSharePoint Sites AuditFind the sites, OneDrives and Teams shared too widely.More free tools
Conditional AccessConditional Access Affected Apps CheckSee which apps Microsoft’s 2026 Conditional Access change affects.IdentityEntra Stale Devices CleanupFind devices that stopped signing in, then disable or remove them.Email securitySPF Lookup ValidatorCheck your SPF record against the 10-lookup limit.Threat huntingMicrosoft 365 Threat Hunting Library44 KQL hunts, 15 detection rules and indicator lists for Microsoft 365.
Griffin31
One area at a time, or your whole tenant at once
Griffin31 checks more than 370 Microsoft 365 security settings across identity, devices, email, collaboration and AI, shows the evidence behind every result, and tells you what to fix first.