application-security

Implementing TLS in Java applications: keystores, trust managers, and protocol pinning done right

One overridden checkServerTrusted() method disables certificate validation for an entire Java app — and it still ships to production more often than most teams admit.

Log injection attacks and how to stop forging your own audit trail

One unsanitized turns a log line into two, and a critical Log4j flaw with a CVSS score of 10.0 turned a log message into remote code execution.

Jul 15, 20265 min read

RBAC vs. ABAC vs. ReBAC: choosing an access-control model for multi-tenant cloud apps

Google's Zanzibar paper (USENIX ATC 2019) showed relationship graphs authorizing access with sub-10ms latency at massive scale — here's when RBAC or ABAC beats it instead.

Nuxt 3 Security Hardening: CSP, SSR Leakage, and Safe Server Routes

Nuxt 3's server runs as one long-lived Node process — a single misplaced ref() can leak one user's data into another user's response.

The OWASP Top 10:2025, explained with minimal fix-it code

OWASP reordered its Top 10 for 2025 — Broken Access Control is back at #1 and a new Mishandling of Exceptional Conditions category debuts at #10.

Jul 15, 20269 min read

Path traversal, decoded: canonicalization patterns across languages

CVE-2021-41773 turned a broken path-normalization routine in Apache 2.4.49 into remote code execution. Here's how canonicalization stops the whole bug class.

React and TypeScript security best practices for 2026

A 2025 npm phishing attack hit packages with 2.6 billion weekly downloads. Here's how React and TypeScript teams reduce XSS, API, and dependency risk.

Designing a secure Node.js API gateway: auth, rate limits, validation, and signing

CVE-2020-15084 let attackers forge JWTs against express-jwt because one algorithm check was missing — a case study in why gateways need four defense layers, not one.

Best Practices

Secure Coding Fundamentals: A No-Jargon Checklist for New Developers

Three habits — validating input, managing secrets, and pinning dependencies — sit behind most preventable breaches, from Log4Shell to the event-stream hack.

Secure file uploads in Node.js and Fastify

CWE-22 path traversal climbed three spots to #5 on the 2024 CWE Top 25. Here's how to validate, store, and scan Fastify uploads without trusting the client.

Memory Leak Vulnerabilities: Causes and Detection

Memory leaks aren't just a performance bug — from Heartbleed to Samba's CVE-2018-16851, they're a documented attack surface. Here's how they're caused, scored, and detected.

Null Pointer Dereference Vulnerabilities

A single unchecked pointer can crash a server. Here's what null pointer dereference vulnerabilities are, real CVEs like OpenSSL's, and how to catch them.