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Atlant 365 Auditor

v1.0.0WindowsFree
8Security Checks
6M365 Services
1One-Click Report
0Install Needed
5Min. Full Scan
100%Free

Most Microsoft 365 tenants ship with insecure defaults - overshared mailboxes, disabled audit logs, legacy authentication still enabled, and MFA gaps across admin accounts. Finding these issues manually means clicking through dozens of admin portals.

Download Free (196 KB)Windows - Microsoft 365 Global Reader permissions - No account needed
Atlant 365 Auditor screenshot 1

Overview

Atlant 365 Auditor scans your entire M365 tenant in minutes and surfaces every misconfiguration in a clear, actionable report.

Features

Full Microsoft 365 tenant security audit
Exchange Online configuration review
SharePoint and OneDrive sharing policy audit
Azure AD / Entra ID identity security checks
MFA enrollment and coverage analysis
Legacy authentication detection
Admin role and privilege review
Actionable HTML report generation

Download Atlant 365 Auditor

196 KB - Windows - Free - No account required

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System Requirements

  • Windows 10 or Windows 11
  • Microsoft 365 Global Reader permissions
  • Active internet connection
  • .NET 8 runtime

Release Notes

v1.0.02025-12-01
  • Initial release
  • Full M365 tenant security audit
  • HTML report generation
  • Exchange, SharePoint, and Entra ID coverage