Azure App Secret Monitor

Provides visibility into Azure AD app secret expirations for developers and security teams, enabling proactive rotation and policy compliance across multiple registrations.

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About This Tool

This tool provides visibility into expiration dates of Azure AD app secrets and certificates across registrations and tenants. It ingests credentials via Microsoft Graph with appropriate permissions and returns a structured view of each credential's expiry, enabling teams to plan rotations and maintain access continuity.
Conceptually, it normalizes data from Azure AD into a unified model: app name, appId, credential type, expiryDate, and daysUntilExpiry. It applies threshold-based scoring to highlight urgent expirations and supports exports and alerts. By consolidating data across tenants, it helps security and DevOps teams avoid unexpected service outages.
Unique value lies in multi-tenant aggregation, auditable history, and preconfigured rotation guidance. Core features include discovery of app registrations, retrieval of secrets and certificates, expiry calculations, threshold-based flagging, and export options. Typical use cases include proactively rotating credentials before expiry, simplifying audits, and integrating with existing alerting pipelines.

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How to Use

Provide inputs: configure Graph API connection details (tenant IDs, clientId, and credentials).
Initiate discovery: fetch all app registrations and their secrets/certificates.
Set thresholds: specify days-left rules (e.g., 30, 14, 7 days).
Review results: examine expiring items, export data, or trigger webhooks for rotation workflows.
Schedule checks: run regularly and update rotation plans per policy.

Frequently Asked Questions

Find Quick Answers

What data sources does the tool use?

The tool uses Microsoft Graph to read Azure AD app registrations and their credentials. It requires appropriate Graph permissions (such as Directory.Read.All) and a secure method to authenticate (service principal or user-based token).

Can it monitor both secrets and certificates?

Yes. The tool enumerates both client secrets and certificates associated with each app registration, exposing expiry information for each credential type and allowing unified monitoring across secret and certificate lifecycles.

How are alerts delivered?

Alerts are configured through external integrations such as webhooks, email, or messaging platforms. The tool can trigger these channels when items cross defined expiry thresholds, enabling automation of rotation workflows.

Is automatic rotation performed?

No. The tool detects expirations and suggests rotation actions, but credential rotation must be performed through your security processes or automation pipelines. It supports exporting data to drive rotation tasks.

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