Topic
Security
Learn Security as a connected topic across chapters, concepts, simulations, and interview reasoning.
10 Concepts7 Articles2h
Overview
Learn Security as a connected topic across chapters, concepts, simulations, and interview reasoning.
How this topic helps
System Design
Authentication
Distributed Systems
Reliability
Learning Path in this Topic
Series that contain articles from Security. Select a path to filter the article list.
Articles
7 matched articles
Article 1System Design Advanced: Security, Rate Limiting, and ReliabilityTLDR: Three reliability tools every backend system needs: Rate Limiting prevents API spam and DDoS, Circuit Breakers stop cascading failures when downstream services degrade, and Bulkheads isolate fai16 min
Article 2OWASP Credential Stuffing Key Terms Explained with Practical ExamplesTLDR: Credential-stuffing defense works only when you treat login as a layered, risk-adaptive system: detect attack shape, add step-up authentication, combine bot and fingerprint signals, prevent user15 minArticle 3Service Mesh Pattern: Control Plane, Data Plane, and Zero-Trust TrafficTLDR: A service mesh intercepts all service-to-service traffic via injected Envoy sidecar proxies, letting a platform team enforce mTLS, retries, timeouts, and circuit breaking centrally — without cha15 minArticle 4X.509 Certificates: A Deep Dive into How They WorkTLDR: An X.509 Certificate is a digital document that binds a Public Key to an Identity (e.g., google.com). It is digitally signed by a trusted Certificate Authority (CA). It prevents attackers from i16 minArticle 5How SSL/TLS Works: The Handshake ExplainedTLDR: SSL (now TLS) secures data between your browser and a server. It uses Asymmetric Encryption (Public/Private keys) once — to safely exchange a fast Symmetric Session Key. Everything after the han16 minArticle 6How OAuth 2.0 Works: The Valet Key PatternTLDR: OAuth 2.0 is an authorization protocol. It lets a third-party app (like Spotify) access your resources (like Facebook Friends) without you giving it your Facebook password. It uses short-lived A16 minPage 1 of 2