Security
Web Security for Developers: The Essentials You Can't Skip
The security vulnerabilities that appear most often in web applications, explained with real code examples and concrete fixes every developer should know.
Jan 30, 2026·3 min read
Categories
Security
Vulnerabilities & defenses · 30 articles
Security
Securing API Keys and Secrets in Frontend Applications
Protect API keys and secrets in frontend applications using backend proxies, token vaulting, environment variable hygiene, runtime secret injection, and client credential patterns that prevent exposure in browser bundles and source control.
Dec 27, 2025·4 min read
Security
OAuth 2.0 and OpenID Connect: A Practical Implementation Guide
Implement OAuth 2.0 authorization and OpenID Connect authentication correctly in your applications, covering authorization code flow with PKCE, token management, refresh rotation, and common security pitfalls that lead to account takeover.
Oct 18, 2025·4 min read
Security
Zero-Trust Networking for Application Developers
Understand zero-trust networking principles from an application developer's perspective, implementing mutual TLS, service mesh authentication, and request-level authorization that verifies every call regardless of network location.
Aug 7, 2025·3 min read
Security
Prompt Injection Defense: Securing LLM-Powered Applications
A security-focused guide to defending LLM-integrated applications against prompt injection attacks, covering input sanitization, output validation, privilege separation, and architectural patterns that limit the blast radius of successful injections.
Jun 21, 2025·4 min read
Security
Supply Chain Security for Modern Applications: Dependencies, Builds, and Trust
A comprehensive guide to securing your software supply chain, covering dependency auditing, lockfile integrity, build pipeline hardening, SBOM generation, and verifying the provenance of every artifact in your deployment.
Apr 9, 2025·4 min read
Security
Securing Serverless Applications: Attack Surfaces and Mitigations
An analysis of the unique security challenges in serverless architectures including injection through event sources, over-permissioned functions, and dependency vulnerabilities with practical mitigation strategies.
Jan 22, 2025·5 min read
Security
Supply Chain Security: Defending Against Dependency Attacks
A comprehensive guide to protecting your software supply chain from dependency confusion, typosquatting, compromised packages, and build pipeline attacks with practical detection and prevention strategies.
Nov 25, 2024·5 min read
Security
Secure API Authentication: JWT, OAuth, and Session Best Practices
A practical guide to choosing and implementing secure authentication strategies for modern APIs, covering JWT tokens, OAuth 2.0 flows, and session management pitfalls.
Sep 9, 2024·6 min read
Security
Securing Secrets in CI/CD Pipelines
Protect sensitive credentials in CI/CD pipelines using secret managers, environment isolation, least-privilege access, and audit trails that prevent secret leakage without slowing down deployment velocity.
Jun 22, 2024·6 min read
Security
API Security Beyond Authentication: Rate Limiting, Input Validation, and Defense in Depth
Implement comprehensive API security layers including rate limiting, request validation, output encoding, security headers, and audit logging with practical TypeScript middleware examples that go beyond simple authentication.
Apr 5, 2024·5 min read
Security
Supply Chain Security for Software Dependencies
Protect your software supply chain with dependency pinning, lockfile integrity verification, SBOM generation, vulnerability scanning automation, and strategies for evaluating and monitoring third-party package risk.
Jan 26, 2024·4 min read
Security
Secrets Management Patterns for Cloud-Native Applications
Implement robust secrets management using HashiCorp Vault, AWS Secrets Manager, and sealed secrets with patterns for rotation, injection, least-privilege access, and preventing secret sprawl across microservices.
Nov 27, 2023·5 min read
Security
OAuth 2.0 Token Security: Storage, Rotation, and Revocation
Implement secure OAuth 2.0 token lifecycle management covering token storage strategies, automatic rotation with refresh tokens, revocation propagation, and protection against token theft and replay attacks.
Sep 14, 2023·5 min read
Security
Runtime Application Self-Protection (RASP) Patterns for Node.js
Implement runtime security monitoring patterns that detect and block attacks from inside your Node.js application, covering SQL injection detection, path traversal prevention, and anomalous behavior alerting.
Jul 10, 2023·4 min read
Security
API Security Beyond Authentication: Authorization Pattern Deep Dive
Implement robust API authorization patterns including RBAC, ABAC, and policy-as-code approaches that protect resources at every layer while remaining maintainable as your system grows.
Apr 26, 2023·4 min read
Security
CORS Deep Dive: Understanding and Configuring Cross-Origin Resource Sharing
Understand how CORS actually works at the protocol level and implement secure, correct configurations that don't resort to wildcard allow-all patterns.
Feb 21, 2023·5 min read
Security
Securing Serverless Functions: Attack Surfaces and Defense Patterns
Understand the unique security challenges of serverless architectures and implement practical defense patterns for AWS Lambda, Azure Functions, and similar platforms.
Dec 22, 2022·5 min read
Security
Content Security Policy Configuration Guide
How to implement Content Security Policy headers that actually protect your application — covering directive syntax, nonce-based inline scripts, reporting, and incremental rollout strategies that don't break your site.
Oct 26, 2022·5 min read
Security
Securing Docker Containers in Production
Practical techniques for hardening Docker containers — covering image scanning, least-privilege configuration, secrets management, network policies, and runtime security monitoring.
Sep 6, 2022·5 min read
Security
API Security: Authentication and Authorization Patterns
A practical guide to securing APIs with token-based authentication, role-based access control, scope-based permissions, and API key management — covering common vulnerabilities and how to prevent them.
Jun 27, 2022·5 min read
Security
Zero Trust Security Model for Developers
What zero trust means beyond the buzzword — covering identity-based access, mutual TLS, network microsegmentation, and how developers can implement zero trust principles at the application layer.
Apr 21, 2022·5 min read
Security
Supply Chain Security for npm Packages
How to protect your JavaScript projects from supply chain attacks — covering dependency auditing, lockfile integrity, typosquatting detection, and automated vulnerability scanning in CI pipelines.
Feb 19, 2022·4 min read
Security
Dependency Confusion Attacks and How to Prevent Them
How dependency confusion attacks exploit package managers to inject malicious code — and the concrete defenses you can implement to protect your software supply chain.
Oct 21, 2021·4 min read
Security
Cross-Site Request Forgery Protection Strategies
A comprehensive guide to understanding and preventing CSRF attacks — covering token-based protection, SameSite cookies, double-submit patterns, and framework-specific implementations.
Aug 14, 2021·5 min read
Security
Secrets Management for Cloud-Native Applications
How to store, rotate, and distribute secrets securely across environments — covering HashiCorp Vault, AWS Secrets Manager, and Kubernetes secrets.
May 26, 2021·4 min read
Security
Cross-Site Scripting Prevention: A Complete Guide
How cross-site scripting attacks work, the three XSS types, and the defense-in-depth strategies that actually prevent them in modern web applications.
Feb 4, 2021·4 min read
Security
JWT Best Practices and Common Pitfalls
JWTs are deceptively simple — here's how to avoid the security vulnerabilities, performance traps, and architectural mistakes that plague most implementations.
Apr 23, 2020·3 min read
Security
OAuth 2.0 Flows Demystified
Authorization Code, PKCE, Client Credentials — which OAuth flow to use for which application type, and the security pitfalls hiding in each one.
Apr 15, 2020·3 min read
Security
Authentication Patterns for Single-Page Applications
Tokens, cookies, refresh flows, and session management — the authentication patterns that keep SPAs secure without sacrificing user experience.
Apr 12, 2020·3 min read