Category: Software


  • The Ghost in the Machine: A Defender's Guide to Offline Security Testing with Blackglass_Suite

    TL;DR Blackglass_Suite is a safe, offline-first research toolkit for generating synthetic adversary behaviors in isolated testbeds. This guide explains how to use it responsibly to validate detection, logging, and response controls without ever exposing production systems or sensitive data. Introduction Who This Is For Safety & Legal Prerequisites Threat Model & Use Cases Quickstart (Offline…

  • How Does the Morgan Express Middleware Library Work? Explained with Code Examples

    Morgan is an Express middleware library that examines HTTP requests and logs details of the request to an output. It is one of the most popular Express middleware libraries with over 8,000 GitHub stars and more than 9,000 npm libraries dependent on it. GitHub reports that Morgan is used by at least 3.6 million repositories.…

  • We set out to build something that didn’t exist yet – a multi-agent AI system that could automatically discover AWS environments and provide real operations intelligence across entire organizations. The goal wasn’t just to make another monitoring tool, but to create agents that could actually understand AWS infrastructure and costs in ways that existing tools…

  • CodeQL zero to hero part 5: Debugging queries

    When you’re first getting started with CodeQL, you may find yourself in a situation where a query doesn’t return the results you expect. Debugging these queries can be tricky, because CodeQL is a Prolog-like language with an evaluation model that’s quite different from mainstream languages like Python. This means you can’t “step through” the code,…

  • Touring New CSS Features in Safari 26

    A couple of days ago, the Apple team released Safari 26.0! Is it a big deal? I mean, browsers release new versions all the time, where they sprinkle in a couple or few new features. They are, of course, all useful, but there aren’t usually a lot of “big leaps” between versions. Safari 26 is…

  • I recently read Blink — the book about how experts can spot mistakes in seconds (sometimes milliseconds). Developers build the same intuition: after getting burned enough times, you just feel when code will be slow. I keep getting hit by the same types of slow code, so here are the patterns I now spot instantly…

  • Business Dashboard Application

    This is a submission for the KendoReact Free Components Challenge. What I Built This is a React-based Business Dashboard Application built with Kendo UI components that provides comprehensive business analytics and data management capabilities. Problem It Solves The application addresses the need for businesses to: Centralize Business Data – Provides a unified view of transactions,customer…

  • CompTIA Network+ N10-009 5.3 Study Guide: Routing, Switching, and IP Issues

    This guide synthesizes critical information on routing, IP address management, and switching, transforming complex topics into understandable principles. By understanding how data travels, how devices get their identities, and how networks protect themselves from catastrophic failures, you build the foundational knowledge required of a skilled network professional. Part 1: Core Concepts in Routing and IP…

  • REST API

    1 INTRODUÇÃO Nas últimas décadas, ocorreu o aumento da complexidade dos sistemas de software, com o aumento da demanda por aplicações distribuídas e escaláveis. Nesse contexto, consolidaram-se as APIs REST, como um paradigma para comunicação e integração entre sistemas como um modelo flexível e aderente. Diante disso, este artigo tem como objetivo a análise da…

  • It’s almost time for another Hacktoberfest. I participated for the first time in 2017, its third edition, and things has changed since: now it requires 6 PRs to be done, and if you want a t-shirt you must be among the first 10,000. I don’t think I’ll be one of them, because I have a…