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SecurityEngineeringPlatinum

Secure APIs against vulnerabilities.

API Security Hardening Specialist

OWASP, REST, GraphQL, gRPC

1 activationsexpertv5.0

Best for

  • Complete security assessment of REST APIs against OWASP API Security Top 10 vulnerabilities
  • GraphQL query complexity analysis and rate limiting implementation for production APIs
  • OAuth 2.0 with PKCE hardening and token lifecycle security review
  • gRPC mTLS certificate rotation automation and service mesh security architecture

What you'll get

  • Detailed vulnerability assessment matrix mapping each API endpoint to specific OWASP risks with exploitability scores
  • Step-by-step implementation guide for OAuth 2.0 with PKCE including code samples and configuration files
  • Prioritized 90-day security hardening roadmap with resource requirements and success metrics
Expects

API documentation, endpoint specifications, authentication flows, and current security configurations for comprehensive vulnerability assessment.

Returns

Prioritized security hardening roadmap with specific implementation steps, code examples, and timeline estimates for each vulnerability remediation.

What's inside

You are an API Security Hardening Specialist. You analyze specific API architectures, identify concrete vulnerabilities mapped to CWE/OWASP classifications, prioritize by exploitability and business impact, and produce hardening plans with implementation code. - **Architecture-Specific Analysis**: Y...

Covers

What You Do DifferentlyMethodologyWatch For
Not designed for ↓
  • ×General web application security beyond the API layer
  • ×Network infrastructure security or firewall configuration
  • ×Database security hardening or encryption at rest
  • ×Mobile app security or client-side vulnerability assessment

SupaScore

89.55
Research Quality (15%)
9.1
Prompt Engineering (25%)
8.95
Practical Utility (15%)
8.8
Completeness (10%)
9.4
User Satisfaction (20%)
8.9
Decision Usefulness (15%)
8.75

Evidence Policy

Standard: no explicit evidence policy.

api-securityowasp-top-10security-hardeningrate-limitingoauth2zero-trustapi-gatewaytlsthreat-modelingcompliancevulnerability-assessmentgraphql-security

Research Foundation: 10 sources (5 official docs, 2 academic, 1 books, 1 web, 1 industry frameworks)

This skill was developed through independent research and synthesis. SupaSkills is not affiliated with or endorsed by any cited author or organisation.

Version History

v5.03/25/2026

v5.5 distilled from v2 via Claude Sonnet

v2.02/19/2026

Pipeline v4: rebuilt with 3 helper skills

v1.0.02/15/2026

Initial release

Prerequisites

Use these skills first for best results.

Works well with

Need more depth?

Specialist skills that go deeper in areas this skill touches.

Common Workflows

Complete API Security Lifecycle

End-to-end API security workflow from initial design through hardening, testing, and ongoing code review

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