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API SecurityMedium Severity

API Asset Management Scanner

Discovers undocumented or deprecated API endpoints.

What is API Asset Management?

API Improper Assets Management testing discovers endpoints that shouldn't be accessible: deprecated versions still running, undocumented endpoints, development/debug APIs, and shadow APIs created outside governance. These forgotten assets often lack security updates and monitoring.

Why is This Important?

Forgotten API endpoints are treasure troves for attackers. Old versions lack security patches, undocumented endpoints escape security review, and shadow APIs bypass security controls entirely. Organizations often don't know all their exposed APIs, creating significant blind spots.

How It Works

1. API Discovery

Automatically discovers API endpoints, methods, parameters, and authentication mechanisms from documentation or traffic.

2. Security Testing

Tests for OWASP API Top 10 vulnerabilities including broken authentication, excessive data exposure, and injection flaws.

3. Compliance Validation

Validates API security against industry standards with detailed findings and remediation guidance.

Key Capabilities

Complete API security coverage aligned with OWASP API Security Top 10 and industry best practices.

  • Automatic API endpoint discovery
  • Authentication and authorization testing
  • Rate limiting and resource exhaustion checks
  • Data exposure and sensitive info detection
  • API versioning and deprecation analysis

Frequently Asked Questions

How do I discover undocumented API endpoints?

Discovery methods: analyze JavaScript for API calls, review mobile app traffic, check old documentation/wayback machine, enumerate common patterns (/v1, /v2, /api, /internal), scan with wordlists, analyze OpenAPI/Swagger files, and review access logs for unusual endpoints.

What risks do old API versions pose?

Old version risks: missing security patches, weaker authentication (pre-upgrade), different authorization models, exposed deprecated features, less logging/monitoring, and they may be forgotten when new vulnerabilities are discovered.

What are shadow APIs?

Shadow APIs are endpoints created outside IT governance: developer experiments, third-party integrations, acquired company APIs, contractor-built services, and partner integrations. They often lack security review, monitoring, and maintenance.

How do I manage API assets properly?

Proper management: maintain API inventory, deprecate and remove old versions, implement API gateway for visibility, monitor for unknown endpoints, require API registration, regularly audit active APIs, and implement API lifecycle management.

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