WAF
Intercepting layer 7 traffic to filter SQL injections, cross-site scripting (XSS), and common vulnerabilities.
What you'll learn
- Cryptographic Token Authentication
- Transport Layer Protection
- Strict Principle of Least Privilege
TL;DR
Intercepting layer 7 traffic to filter SQL injections, cross-site scripting (XSS), and common vulnerabilities.
Visual System Topology
WAF Encrypted Access Flow
Concept Overview
WAF represents the set of standards, cryptographic algorithms, and authentication frameworks designed to secure network channels and verify agent identities. Intercepting layer 7 traffic to filter SQL injections, cross-site scripting (XSS), and common vulnerabilities.
Security is a fundamental system design pillar. An architectural design is only as strong as its weakest link; unprotected APIs, unencrypted databases, and loosely configured service accounts are primary targets for malicious actors. Implementing robust transport encryptions, cryptographic authentication protocols, and strict access controls prevents data leaks and protects critical customer transactions.
Key Architectural Pillars
Cryptographic Token Authentication
Verifying identity claims via digitally signed, tamper-proof state packets like JSON Web Tokens (JWT).
Transport Layer Protection
Enforcing end-to-end socket encryptions (TLS/SSL) to block Man-in-the-Middle eavesdropping and data packet tampering.
Strict Principle of Least Privilege
Isolating internal microservice bounds with secure API scopes, keys, and role-based policies (RBAC).