In this article you will learn what are Black, Gray, and White Boxes and their differences

In this article you will learn, who are White Hat, Black Hat, Grey Hat, Red Hat hackers, Hacktivists and Script Kiddies

In this article you will learn: - What is Open Source? - What is open source software (OSS)? - Why do people prefer to use open source software?

A clean illustration of how one can hire a dozen of agents, and make them collab.

A simple explanation of CSRF, how it works, common protection methods, and why most bypasses only work in poorly configured or old systems today

I found a bug that turns money into smoke. One line. No validation. Just subtraction. On some chains, every transfer would have vanished. Auditors missed it. I didn't. Here's how a i got my first Critical bounty.

In Part 2, we move from theory to action. Dive deep into the implementation of our ExpressAuth class, learn how to handle JWT verification safely, and build a flexible RoleGuard to secure your routes with precision.

Learn how to build an RBAC system in Express.js using TypeScript. In Part 1, we explore the difference between AuthN and AuthZ and set up a professional class-based architecture

I built a visual multiplexer for running 4 AI agents at once. One window. Four independent Claude workspaces. Real-time context usage, git status, CPU, RAM — all visible at a glance. No terminal juggling. No tab switching. No build step. npm install → localhost:3000 → done. 🧵

Everything you need to know; from installation to advanced hooks, MCP servers, and custom commands - based on Anthropic's official masterclass.