Spring Boot Tutorial 0/110 lessons ~6 min read Lesson 48
API Protection Strategies
Beyond auth, production APIs need protection against abuse, replay, scraping and accidental DDoS — even from your own clients.
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Focus
2 guided sections
Practice signal
Concept-first lesson
Career prep
Foundation builder
Introduction
Beyond auth, production APIs need protection against abuse, replay, scraping and accidental DDoS — even from your own clients.
Understanding the topic
The defence-in-depth stack:
- Rate limiting per IP and per principal (Redis token bucket).
- Idempotency keys on writes — clients can retry safely.
- Request signing / HMAC for B2B integrations.
- WAF in front (Cloudflare / AWS WAF) — bot signatures, geo blocking.
- Quotas — per-tenant daily caps; enforced at the gateway.
- CORS tight: only known origins, never
*with credentials.
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