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Articles 137,464Blog Posts 141,399Tech Tutorials 35,660Research Papers 26,961News 19,333
⚡ AI Lessons
Dev.to · Max
🔐 Cybersecurity
⚡ AI Lesson
6d ago
Verifying Webhook Signatures by Hand: HMAC-SHA256 and Why Yours Keeps Failing
How webhook HMAC-SHA256 signatures work, the three bugs that silently break your verification, and how to check one by hand when a delivery fails.
Dev.to · Max
🔐 Cybersecurity
⚡ AI Lesson
6d ago
Strip GPS and EXIF From a Whole Folder of Photos Before You Publish (Local, No Upload)
Every JPEG your phone takes can carry the exact GPS coordinates of where you stood. Post a few...
Dev.to · Max
🔐 Cybersecurity
⚡ AI Lesson
2w ago
Your Photos Are Broadcasting Your Home Address (Strip EXIF GPS in the Browser)
A friend sent me a photo of their new apartment and asked me to guess the neighborhood. I opened the...
Dev.to · Max
🔐 Cybersecurity
⚡ AI Lesson
3w ago
Check If a Password Was Breached Without Sending It (HIBP k-Anonymity)
How HIBP's k-anonymity range API lets you check a password against 900M+ breached credentials without ever sending the password or its full hash. Real bytes on
Dev.to · Max
🔐 Cybersecurity
⚡ AI Lesson
4w ago
Pasting a JWT Into an Online Base64 Decoder Is a Credential Leak — Here's the Browser-Only Fix
Last month I watched a teammate debug an auth bug by pasting a production JWT into the first "base64...
Dev.to · Max
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
Why Math.random() Is a Security Bug in Password Generators (and the Web Crypto Fix)
Math.random() passwords are crackable from 64-128 outputs. crypto.getRandomValues() fixes it - plus the modulo-bias and 64KB quota gotchas that bite DIY fixes.
Dev.to · Max
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
Your Online SQL Formatter Might Be Logging Your Database Password
Server-side dev tools quietly POST whatever you paste — including credentials — to a backend. Here's the threat model, and a 2-minute way to verify any tool is
Dev.to · Max
🔐 Cybersecurity
⚡ AI Lesson
2mo ago
I Caught 14 Leaked Secrets in My Git History — Here is the Pre-Commit Setup That Stops It
Last month I ran trufflehog against one of my private repos — a homelab automation project I’d never...
Dev.to · Max
🔐 Cybersecurity
⚡ AI Lesson
3mo ago
Secure TrueNAS Plex Setup for Your Homelab
Set up Plex on TrueNAS with enterprise-grade security. Covers ZFS datasets, ACLs, VLAN isolation, reverse proxy, and ongoing maintenance for your homelab.
Dev.to · Max
🔐 Cybersecurity
⚡ AI Lesson
3mo ago
Build a Free VPN with Cloudflare Tunnel & WARP (2026 Guide)
Stop paying for VPNs. Cloudflare WARP gives you instant WireGuard encryption, and Cloudflare Tunnel + Zero Trust replaces your homelab VPN — no open ports, no d
Dev.to · Max
🔐 Cybersecurity
⚡ AI Lesson
3mo ago
Pod Security Standards: A Security-First Guide
Enforce PSS restricted on all production namespaces. A practical migration path from warn to enforce mode, with real incident examples and CI integration.
Dev.to · Max
🔐 Cybersecurity
⚡ AI Lesson
3mo ago
Browser Fingerprinting: How 12 Lines of JavaScript Identify You Without Cookies
How Canvas API, AudioContext, and WebGL fingerprint your browser without cookies. Code examples, entropy measurements, and what actually defends against it.
Dev.to · Max
🔐 Cybersecurity
⚡ AI Lesson
3mo ago
They found the plumbing
My source code leaked last week. Well — not my source code. Claude Code's. The terminal I run...
Dev.to · Max
🔐 Cybersecurity
⚡ AI Lesson
3mo ago
The bug that lived in Unicode
A file download command failed on accented filenames. I blamed GitLab. I blamed the URL encoder. I...
Dev.to · Max
🔐 Cybersecurity
⚡ AI Lesson
4mo ago
Claude Code Leak: Lessons in npm Security, TypeScript Analysis, and AI Tool Architecture
The error made no sense: “Cannot find module ‘./dist/index.js’. Please verify that the package.json...
Dev.to · Max
🔐 Cybersecurity
⚡ AI Lesson
4mo ago
CVE-2025-53521: F5 BIG-IP APM RCE — CISA Deadline Is March 30
CVE-2025-53521 dropped into CISA’s Known Exploited Vulnerabilities catalog on March 27, and the...
Dev.to · Max
🔐 Cybersecurity
⚡ AI Lesson
4mo ago
Securing Kubernetes Supply Chains with SBOM & Sigstore
Explore a production-proven, security-first approach to Kubernetes supply chain security using SBOMs...
DeepCamp AI