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Node.js Receipt Login: SMS OTP Verification with a Reversible Cutover
Short answer: keep SMS phone verification behind an application-owned contract, then replace the mes…
Adding AdSense to a static Vercel site without throwing away your Content-Security-Policy
I run a small static site, a browser-based checker that helps YouTube creators see whether a video i…
Five factors, fixed weights: how a VPN ranking can be reproduced
"Best VPN" lists are some of the most commercially polluted content on the web. Affiliate links deci…
I Built a Serverless, End-to-End Encrypted Messaging App That Works Without the Internet
What if you could send private messages without WhatsApp, Telegram, internet access, user accounts, …
Scoping a Low-Privilege Authorization Failure in SolarWinds Observability
Scoping a Low-Privilege Authorization Failure in SolarWinds Observability Scope decisions for CVE-…
Sender-Domain Reputation for Logistics Password Resets (with Auditable Delivery Evidence)
TL;DR: Keep password resets on an authenticated sender subdomain and traffic stream that is separate…
Hong Kong's Banks Scored 2.3 Out of 10 on Quantum Readiness. The Fix Is Boring, and That Is the Point
On 2 November 2026, at Hong Kong FinTech Week, the Hong Kong Monetary Authority and the Hong Kong Un…
I built a Calculator Vault app with a Decoy space and built-in WhatsApp clone for maximum privacy
Hey DEV Community! 👋 We live in an era where data privacy is constantly compromised. Standard app l…
A worm is spreading through npm install. Here's how I checked my machine and GitHub for it
Not long after I cleaned malware out of my GitHub repos, Singapore's Cyber Security Agency published…
LLM weak random number generator detection test
Originally published at sunny-chokshi.github.io. I ran an LLM weak random number generator detectio…
5 Best MCP Gateways in 2026: Bifrost, IBM ContextForge, Obot, Docker and Microsoft Compared
Your first agent had three MCP servers and one developer. Six months later it has forty servers, thr…
Leaked TLS Private Keys: Proving Compromise, Finding Every Affected Cert & Rotating Safely
One of the most-read security posts on DEV this week is about an embarrassing private key in Web PKI…