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Download TenantSentinel

The TenantSentinel desktop app runs on your Windows machine and scans your Microsoft 365 tenant via the Graph API. No cloud agents, no tenant modifications, no firewall changes required.

Windows 10 / 11 · 64-bit · NSIS installer · ~120 MB · Setup guide

ℹ Windows SmartScreen Notice

When you run the installer, Windows may show a "Windows protected your PC" warning. This is normal for new apps without a Microsoft-recognized publisher certificate. TenantSentinel is safe to install.

To continue installation:

  1. Click More info in the SmartScreen dialog
  2. Click Run anyway

The warning decreases as the app builds reputation — it typically disappears within the first few weeks of public use.

What’s in the Executive Dashboard

✓ Health Score

A 0–100 security posture score with sub-scores across Identity, Access Control, Data Protection, and Operations—with the specific factors driving each grade.

✓ MFA Analysis

Per-user MFA method breakdown, coverage percentages across your organization, and identification of users with no MFA registered.

✓ Conditional Access

Every CA policy inventoried and evaluated against 7 security baselines, with gap analysis showing exactly what’s missing and who isn’t covered.

✓ Privileged Roles

All admin accounts with their role assignments, MFA status, and whether they’re being used for daily work—a common and overlooked risk signal.

✓ Enterprise Apps

Third-party app permissions with risk classification, consent type, and last-activity detection to identify overprivileged or stale applications.

✓ Licensing Analysis

Per-SKU cost breakdown using Microsoft retail pricing, inactive user detection, and annualized savings you could realize by right-sizing licenses.

System Requirements

Operating System

Windows 10 or Windows 11, 64-bit. The app installs per-machine and requires administrator rights during installation.

PowerShell

Windows PowerShell 5.1 is included with every supported Windows version. PowerShell 7 is supported and used automatically if installed.

Setup Walkthrough

After installing, a guided wizard walks you through the remaining steps. Here’s exactly what to expect.

1

Download & Install

Run the installer as administrator. TenantSentinel installs to Program Files and creates a desktop shortcut. Launch the app and the setup wizard starts automatically.

2

Activate Your License

Enter your TS-XXXX-XXXX-XXXX-XXXX license key and click Activate License. The app validates your key, automatically generates a security certificate, registers it with Microsoft Entra ID, and sets up your scan credentials—all in one step. The private key never leaves your computer.

Don’t have a key? Get a free license key instantly—no review required.

3

Grant Permissions

The wizard shows a consent link. Copy it and send it to your Microsoft 365 Global Administrator. When they open the link and click Accept, TenantSentinel is granted read-only access to your tenant’s security data. They’ll be redirected to a confirmation page when done.

Once permissions are granted, click Open TenantSentinel and run your first scan.

TenantSentinel requests read-only Graph API permissions only. No data is modified, no settings are changed.

Don’t have a license yet? Get a free license key instantly — no review, no credit card.