Microsoft 365 Connected Apps Risk Assessment & Governance
- AppGuard360 Research Team

- Dec 27, 2025
- 2 min read
Identify risky Microsoft 365 / Entra ID connected apps (OAuth), understand their
permissions, and enforce ongoing governance — without spreadsheets or guesswork.

Microsoft 365 connected apps governance is the process of maintaining visibility and control over third-party and internal applications that access Microsoft 365 through OAuth. These connected apps often operate with delegated or application-level permissions and do not rely on an interactive user session.
Modern Microsoft 365 environments depend heavily on connected apps to automate workflows, integrate systems, and extend functionality. Over time, this creates a growing layer of trusted access that exists outside traditional user-based security controls.
Without proper Microsoft 365 connected apps governance, organizations lose visibility into what apps exist, what permissions they hold, who owns them, and how access changes over time.
AppGuard360 provides continuous visibility and governance for Microsoft 365 connected apps, helping organizations understand access, ownership, and change activity inside their Microsoft 365 tenant.
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Why Microsoft 365 Connected Apps Are a Growing Risk
Every Microsoft 365 tenant accumulates connected apps over time — CRMs, scheduling tools, marketing platforms, AI tools, internal scripts, and forgotten test apps.
The problem isn’t just how many apps exist. It’s what they can still access.
Common risks we see:
Apps with Mail.ReadWrite or Files.Read.All
No assigned business owner
Excessive scopes granted years ago
Third-party vendors no longer under contract
Apps added outside IT visibility
Without governance, these apps quietly remain trusted — even after users leave or vendors change.

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🔍 What AppGuard360 Shows You
AppGuard360 turns complex OAuth data into clear, usable insight.
Once connected, the platform provides:
Complete connected app inventory (OAuth & service principals)
Permission and scope visibility
Ownership identification and gaps
Change tracking over time
Clear risk indicators without guesswork
Exportable data for audits and reviews
This visibility forms the foundation for effective governance.
🧭 Governance Built for Ongoing Control
Security isn’t a one-time event. AppGuard360 is designed to support repeatable governance, not one-off reviews.
Governance capabilities include:
Ongoing monitoring of connected apps
Review cadence support (monthly or quarterly)
Ownership accountability
Approval and exception tracking
Change history and evidence retention
Instead of reacting to surprises, teams stay ahead of OAuth risk as their environment evolves.

👉 Get Started with AppGuard360
Who AppGuard360 Is For
Internal IT Teams
Gain visibility into non-human access
Reduce hidden OAuth attack surface
Support audits and cyber insurance requirements
Replace spreadsheets with a living system
MSPs & MSSPs
Standardize connected app governance across tenants
Deliver OAuth visibility as a managed service
Provide defensible documentation to clients
Scale governance without custom tooling
🧩 How This Fits Into Your Security Stack
Most security tools focus on users and devices. Connected apps operate differently.
AppGuard360 complements:
MFA and Conditional Access
Endpoint and email security
SIEM and SOC monitoring
By addressing non-human access, AppGuard360 fills a critical gap in Microsoft 365 security and governance.
What You Get When You Start
✔ Immediate visibility into connected apps
✔ Clear understanding of permissions and ownership
✔ Continuous change tracking
✔ Governance workflows you can repeat
✔ Audit-ready exports
✔ Cancel anytime
Get Started Today with AppGuard360
Secure Microsoft 365 access only. No Agents. No disruption.


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