Employees may authorize a convenient SaaS add-on long before the security team knows it exists. The add-on might receive broad permissions to read mail or files, retain a grant after an employee leaves, or transfer data outside approved locations. Separately, a sanctioned SaaS application might be used from an unmanaged device in a way the business wants to restrict without forbidding the entire service. These are related but distinct cloud application governance problems.<\/p>\n
The SC-300 workload identity domain includes Defender for Cloud Apps cloud discovery, connected apps, Conditional Access app control, access and session policies, and policies for OAuth applications. This material complements registration and consent administration: an approved app configuration is a starting point, not proof that app behavior remains appropriate over time.<\/p>\n
Cloud discovery can provide visibility into services used through available network or endpoint telemetry. A discovered service is not necessarily an enterprise application configured for SSO, and an enterprise app object does not guarantee that every user reaches the service through managed identity. Separate visibility into SaaS traffic from the directory’s record of app registrations and consent grants.<\/p>\n
For a newly observed file-sharing service, ask which teams use it, what data classes it handles, whether an approved alternative exists, and what sign-in mechanism users employ. The label \u201cunsanctioned\u201d may be warranted by policy, but it does not establish that every connection is malicious. Gather owner and business-context evidence before blocking a service with high operational dependency.<\/p>\n
A sanctioning program works best when employees can identify acceptable services and request exceptions. An outright block without migration support can encourage shadow alternatives. Define a path to approved configuration, enterprise SSO, data handling and ownership for legitimate needs.<\/p>\n
An OAuth app may hold consent that enables API access even when the user is not actively visiting the app. Examine publisher, requested delegated scopes or application permissions, affected users, grant history and observed activity. The official Defender for Cloud Apps app governance<\/a> guidance emphasizes visibility into OAuth-enabled applications and the ability to investigate risky behavior and permissions.<\/p>\n For an email analytics add-on, distinguish permissions to see a user’s basic profile from permissions that can read messages or operate broadly across mailboxes. A prompt approved by a user should not be interpreted as an enterprise-wide security review. Determine whether the app still serves a valid business function and whether its permission scope is proportional to that function.<\/p>\n Suspicious indicators might include an unfamiliar publisher, a spike in data access, a recently granted high-impact permission, or app activity inconsistent with its described task. Any one indicator can have a legitimate explanation; combine them and corroborate with Entra app information and relevant audit logs before taking a disruptive action.<\/p>\n App governance can correlate app characteristics, permissions, usage and anomalous behaviors to support investigation and response. App inventory needs named technical and business owners, tenant context, permission grants, last review and a clear retirement route. Without ownership, administrators may hesitate to revoke a suspicious grant for fear of breaking an invisible business process.<\/p>\n Consent processes should require review for powerful permissions and permit limited low-risk uses only under an explicit policy. OAuth and OIDC authorization fundamentals<\/a> help explain why a scope can matter more than whether an app has an attractive login screen. The app’s actual resource API privileges must be examined, not just its brand or marketing description.<\/p>\n When ending a relationship, revoke unnecessary consent and credentials through the appropriate controls and check for remaining app-only permissions, service principals and vendor-stored data. Disabling user access to a SaaS portal may not invalidate every token or terminate every integration. Confirm the intended revocation behavior with evidence.<\/p>\n Conditional Access app control can apply session-level controls to supported applications and scenarios. A company may allow a user on an unmanaged endpoint to view documents through an approved path while restricting downloads of sensitive material. Before deploying, confirm the app and browser\/session support, traffic redirection behavior, authentication requirements, and the capabilities licensed in the tenant.<\/p>\n A session policy should target a specific business risk rather than turning every SaaS interaction into a collection of arbitrary warnings. Define whether the objective is to block downloads, inspect certain activities, or require a different device state. Explain the effect to users so an intentional security decision is not mistaken for a site outage.<\/p>\nUnderstand app governance and consent ownership<\/h2>\n
Use Conditional Access app control where session restrictions fit<\/h2>\n