API Security Guides and OWASP API Coverage
This category hub groups the strongest API security articles on inventory, authorization, authentication, abuse prevention, and modern API attack paths.
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9
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May 8, 2026
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Curated guides on OWASP API risks, API authentication, discovery, authorization, and abuse-resistant API design.
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Shadow APIs and Zombie APIs: API Discovery, Inventory, and Hidden Attack Surface Security
Learn how to find shadow APIs, track zombie APIs, build an API inventory, and reduce hidden API attack surface risk with practical API discovery and decommissioning strategies.
OWASP API Security Top 10 (2023) Explained: BOLA, Broken Auth, SSRF and Real API Attacks
A practical OWASP API Security Top 10 guide covering BOLA, broken authentication, excessive data exposure, SSRF, rate limiting failures, and real API attack examples with secure fix patterns.
API Penetration Testing Checklist: How to Test Auth, BOLA, Rate Limits, and Business Logic
A hands-on API penetration testing guide mapped to modern API risks. Covers inventory, authentication, authorization, object-level checks, mass assignment, rate limiting, GraphQL exposure, and reporting practices with concrete abuse examples.
CORS Misconfiguration: Exploitation, Examples, and Prevention Guide
Most CORS bugs start as a quick frontend fix, then quietly turn the browser into an attacker-controlled proxy. This article breaks down the mistakes that actually show up in production and how to tighten them without breaking the app.
API Security Trends 2026: Protecting REST, GraphQL & gRPC in an AI-Driven World
APIs now account for 83% of web traffic. This guide covers the most critical API security trends for 2026 — AI-generated API abuse, GraphQL-specific attacks, gRPC security, API gateways, and runtime protection strategies.
API Security for AI Agents: Securing MCP, Function Calling & Tool Use
AI agents are the new API consumers. This guide covers securing APIs against AI-driven abuse — MCP server hardening, function calling guardrails, tool delegation authorization, and protecting sensitive endpoints from autonomous agents.
Business Logic Abuse in APIs: The Vulnerabilities Scanners Can't Find
Business logic vulnerabilities are invisible to automated scanners. From coupon stacking to loyalty fraud to race conditions, this guide covers the most exploited business logic flaws in APIs with detection strategies and prevention patterns.
Secure API Design Patterns: A Developer's Guide
Learn the essential security patterns every API developer should implement, from authentication to rate limiting.
GraphQL Security Vulnerabilities: The Complete Guide for 2025
GraphQL APIs introduce unique attack vectors — introspection leaks, batching attacks, query depth bombs, and authorization bypasses. Here's how to secure your GraphQL endpoints.