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API Security
Secure APIs: rate limiting, API keys, encryption, OWASP Top 10
⬢ NIVEL 2Técnicas
+$25k-
Impacto salarial
7 meses
Tiempo de aprendizaje
Difícil
Dificultad
4
Carreras
De un vistazo
Master OAuth2, JWT, mTLS, and API threat modeling to protect endpoints. Senior backend/security skill earning +$25k–$55k. Takes 5–8 months with hands-on labs.
Qué es API Security
API security protects APIs from attacks: injection, broken auth, data exposure. OWASP API Security Top 10 is the standard reference. Essential for backend and security roles. L1: HTTPS, API keys, rate limiting, input validation
🔧 HERRAMIENTAS Y ECOSISTEMA
Auth0OktaOWASP ZAPBurp SuiteSnykAWS WAFCloudflareHashiCorp VaultJWT.ioPostmanStoplightCryptography libraries (sodium, bcrypt)
📋 Antes de empezar
💰 Salario por región
| Región | Junior | Medio | Senior |
|---|---|---|---|
| USA | — | — | — |
| UK | — | — | — |
| EU | — | — | — |
| CANADA | — | — | — |
🎯 Carreras que usan API Security
❓ Preguntas frecuentes
What's the difference between OAuth2 and JWT?
OAuth2 is a delegation framework for authorization (user grants app access). JWT is a stateless token format often used within OAuth2 for delivering credentials. Use OAuth2 for third-party integrations; use JWT for internal API communication.
Why is mTLS important for APIs?
Mutual TLS (mTLS) ensures both client and server authenticate each other with certificates, eliminating man-in-the-middle attacks. Critical in zero-trust architectures and service-to-service communication.
How does rate limiting defend against attacks?
Rate limiting throttles requests by IP/user, preventing brute force, DDoS, and API abuse. Combine with exponential backoff and adaptive rules to stay ahead of attackers.
What are the OWASP API Top 10?
OWASP API Security Top 10 lists the most critical API vulnerabilities: broken auth, data exposure, injection, excessive data exposure, broken access control, rate limiting failures, and six others. Master these to design secure APIs.
API key vs OAuth2 token, which is more secure?
OAuth2 tokens are more secure: short-lived, scoped, and revocable. API keys are static and often overexposed. Use tokens for public/third-party APIs; reserve keys for internal server-to-server only.
How do you rotate secrets safely?
Use a secrets manager (HashiCorp Vault, AWS Secrets Manager). Automate rotation, maintain dual-key periods for zero downtime, and audit all accesses in logs.
What tools scan APIs for vulnerabilities?
OWASP ZAP, Burp Suite, and Snyk perform automated vulnerability scanning. Pair with manual penetration testing and threat modeling for defense-in-depth.
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