Api-Security

Complete API Security Resource Center The only API security guides with real-time 2026 vulnerability integration - comprehensive testing, authentication, and modern attack prevention. 🚀 Core API Vulnerability Prevention API Attack Surface Security API Security Guide - 490 sources (+900% expansion) OWASP API Top 10, 2026 GraphQL vulnerabilities, AI/MCP risks, comprehensive testing Rate limiting, authentication bypasses, API gateway hardening GraphQL Security Guide - 78 sources Injection techniques, authorization bypasses, introspection attacks Batching, DoS, subscriptions, engine-specific exploitation Modern API Protocols JWT Security Guide - 138 sources Algorithm confusion attacks, signature bypasses, library-specific exploits Token security, cryptographic attacks, secure implementation 🔐 API Authentication & Access Control Authentication Systems Authentication Guide - 97 sources ...

Comprehensive GraphQL Security Guide 🆕 Enhanced May 2, 2026 - Updated with 78 sources and GraphQL CVEs including introspection attacks, authorization bypasses, and engine-specific exploitation techniques. A practitioner’s reference for attacking and defending GraphQL APIs — discovery, introspection, schema recovery, injection, authorization flaws, batching, DoS, subscriptions, CSRF/CSWSH, engine-specific quirks, and detection/prevention. Compiled from 31 research sources. Table of Contents Fundamentals Discovery & Fingerprinting Introspection Schema Recovery Without Introspection Query & Data Extraction Mutations & Mass Assignment Authorization Flaws (BOLA / BFLA / IDOR) Injection Through GraphQL Batching Attacks & Aliases Denial of Service CSRF & CSWSH Subscriptions & WebSockets Engine-Specific Notes (Apollo, Hasura, graphql-java, async-graphql, Mercurius) Notable CVEs & Real-World Chains Tooling Detection & Prevention Payload Quick Reference 1. Fundamentals GraphQL is a query language and server runtime for APIs, originally developed at Facebook and open-sourced in 2015. Instead of the multiple fixed endpoints of a REST API, a GraphQL service exposes a single endpoint that accepts typed queries and returns exactly the fields the client asks for. ...

Comprehensive API Security Guide 🆕 Enhanced May 2, 2026 - Updated with 490 sources (+900% expansion) including AI/LLM API vulnerabilities, modern authentication bypass techniques, and 2026 OWASP API security research. A practitioner’s reference for API security — attack surface, OWASP API Top 10 exploitation, authentication and authorization bypasses, GraphQL-specific attacks, rate limit evasion, API gateway hardening, open banking compliance, AI/MCP risks, real-world chains, and detection/prevention. Compiled from 490 research sources including latest 2026 AI/LLM vulnerabilities. ...