Marcus Johnson
Contact: [email protected]
Areas of Expertise
- Security & Privacy
- Systems & Infrastructure
- Web & Mobile
- Cloud & DevOps
Articles by Marcus Johnson
What Is SQL Injection and How to Prevent It?
SQL injection remains one of the most critical web vulnerabilities, allowing attackers to manipulate database queries. Learn the attack mechanisms, real-world exploitation techniques, and proven defense strategies.
SLSA Framework: Supply Chain Security Beyond SBOMs
The SLSA framework provides verifiable supply chain security through build provenance and attestation. Learn how to implement levels 1-3.
AI Scrapers: Infiltration, Evasion, & Defense-in-Depth
The internet, once a Wild West of open data, has solidified into a fortress. Yet, the adversaries evolve. Traditional web scraping, a blunt instrument,...
Compiler Optimizations 2025
The landscape of software development is in a perpetual state of evolution, driven by the relentless pursuit of higher performance, enhanced security, and...
How to Build Internal Google Workspace Add-ons: Complete Walkthrough
A comprehensive, step-by-step guide to building and deploying internal Google Workspace Add-ons using Apps Script - from setup to production deployment.
Mastering BitDefender GravityZone for Enterprise Security
BitDefender GravityZone stands as a cornerstone in modern enterprise cybersecurity, offering a unified security platform designed to protect complex hybrid...
Efficient Routing Tables: Deep Dive into Network Performance
Routing tables are the unsung heroes of modern networking, the foundational data structures that enable the internet and every IP-based network to function.
The Human OS Upgrade: Why We Lag Our Software
We live in an age defined by constant technological evolution. Our smartphones receive weekly patches, our cloud services update seamlessly, and our...
GPL & AI Models: Navigating License Propagation
The rapid ascent of Artificial Intelligence (AI) has brought forth unprecedented technological advancements, but it has also unearthed intricate legal and...
OpenAI's Trillion-Dollar Ambition
The High-Stakes Game of AI Development The pursuit of Artificial General Intelligence (AGI) is arguably the most ambitious technological endeavor of our...
Matrix Protocol: Decentralized, Secure Communication Guide
Introduction In an increasingly interconnected digital world, the demand for secure, private, and interoperable communication platforms has never been hig...
What is InfiniBand? Deep Dive into High-Speed Interconnect
Introduction In the relentless pursuit of faster computations and more efficient data processing, traditional networking solutions often become bottlenecks.
Tor: Anonymity Shield or Privacy Illusion?
Online privacy has become a paramount concern in an era dominated by data collection and surveillance. While many tools promise to safeguard digital...
IoT Security: Addressing the Gaping Vulnerability
The Internet of Things (IoT) has seamlessly integrated into our daily lives, transforming everything from smart homes and wearable tech to industrial...
Golden Images: A Security Powerhouse
A "golden image" in IT infrastructure is often lauded for its ability to standardize deployments, accelerate provisioning, and ensure consistency across an...
Your Phone's Mic: Debunking Listening Myths & Protecting
Have you ever had that unnerving experience. You're chatting with a friend about a niche product, something you've never searched for online, and...
Instant Routes: How Navigation Apps Master Speed
Navigation apps have become an indispensable part of modern life, seamlessly guiding us through complex road networks with seemingly magical speed.
WhisperLeak: Unmasking LLM Conversation Topics
In an era increasingly shaped by Artificial Intelligence, Large Language Models (LLMs) have become indispensable tools for communication, content...
Unpacking the Speed: Why Cloudflare's 1.1.1.1 Excels
The internet, in its vast complexity, relies on several foundational technologies to function seamlessly. Among these, the Domain Name System (DNS) plays...
Cybersecurity's Funding Paradox: Why It Remains Overlooked
Cybersecurity is the invisible shield of the digital age, protecting sensitive data, critical infrastructure, and economic stability.
Best Automated Cloud Backup Solutions: A Comprehensive Guide
In today's fast-paced digital landscape, data is the lifeblood of every organization. From critical business applications to sensitive customer...
Digital Resilience: Thriving in a "Dead Internet" Era
The internet, once envisioned as a boundless frontier of human connection and information, is undergoing a profound transformation.
Google Gemini 3: Powering Search and AI Mode
Google has ushered in a new era of artificial intelligence with the official release of Gemini 3, its latest and most intelligent AI model.
NAT and PAT
The internet, a vast interconnected web, relies on a fundamental concept known as IP addresses for device identification and communication.
FFmpeg: The Unsung Hero of Multimedia Processing
FFmpeg is one of those technologies that quietly powers a significant portion of the digital world, yet few outside of specialized technical circles truly...
Small Open Source: Navigating the Future of Critical
Open-source software (OSS) has become the bedrock of modern technology, powering everything from global enterprises to personal devices.
Best Markdown Note Editors Compared
Markdown has revolutionized how technical professionals approach note-taking and documentation. Its simplicity, portability, and readability make it an...
Qualys Agent Troubleshooting: Fix Common Issues
The Qualys Cloud Agent is a lightweight, centrally managed sensor that provides continuous visibility into the security posture of your IT assets, whether...
Weather App Predictions: The Science Behind Accuracy
Modern weather applications have become indispensable tools, providing real-time forecasts and critical alerts directly to our devices.
eSIM: The Future of Connectivity
The landscape of mobile connectivity is undergoing a profound transformation, driven by the emergence and increasing adoption of eSIM technology.
Game Devs Flock to Godot: The Reasons
The landscape of game development is constantly evolving, with developers increasingly seeking engines that offer flexibility, control, and a sustainable...
Internet Exchanges (IXs): Peering for Performance
The global internet infrastructure is a marvel of interconnected networks, silently facilitating everything from streaming video to critical business operati...
Scaling osquery Deployments
Endpoint visibility is paramount for modern cybersecurity, enabling organizations to detect threats, enforce compliance, and respond to incidents effectiv...
MTA-STS: Secure Email Delivery Setup Guide
Email remains a cornerstone of digital communication, yet its underlying protocol, SMTP, was not originally designed with robust security in mind.
Beyond Vibe Coding: AI's Full-Stack Limitations
The rapid advancements in Artificial Intelligence (AI) have revolutionized many aspects of software development, offering tools that can generate code,...
Why You Need a SOC: 24/7 Threat Response
Discover why Security Operations Centers are essential for modern organizations. Learn about out-of-hours attack risks, response time criticality, and how SOCs protect against evolving cyber threats.
AI Malware: Evolution and Emergence
Explore the evolution of malware from simple viruses to sophisticated AI-powered threats. Learn how machine learning is transforming both offensive and defensive cybersecurity capabilities.
Kubernetes Internals: How Container Orchestration Works
Kubernetes has become the de facto standard for deploying, managing, and scaling containerized applications. While its benefits—improved resource...
Android 16 QPR1 Pushed to AOSP: Developer Insights
The Android ecosystem is in a perpetual state of evolution, driven by annual major releases and a continuous stream of quarterly updates.
DLP: Concepts, Arch, Best Practices
Data is the lifeblood of modern enterprises. From proprietary algorithms and customer PII to financial records and strategic plans, the sheer volume and...
Cloudflare Workers: Serverless at the Edge
Cloudflare Workers represent a paradigm shift in serverless computing, executing code at the edge in over 300 locations worldwide
Architecting Open Source Smart Homes
The promise of smart home automation—convenience, efficiency, and enhanced living—is compelling. Yet, for many technical professionals, the reality often...
What is NAS? A Technical Guide to Network Storage
Network Attached Storage (NAS) is a fundamental component in modern IT infrastructure, offering a dedicated and accessible solution for file-level data stor...
Valve's New Steam Hardware Lineup: Controller, Machine, and Frame Coming in 2026
Valve announces three new Steam Hardware products shipping in early 2026: Steam Controller with magnetic thumbsticks, Steam Machine gaming PC, and Steam Frame VR headset. All built with Steam Deck DNA.
Cyber Essentials: Key Steps to Compliance
Cybersecurity is no longer a niche concern but a foundational requirement for any organization handling digital assets.
DeGoogle: Private Tech Alternatives & Strategies
The digital landscape is increasingly dominated by a handful of tech giants, with Google being a prominent example. While their services offer undeniable...
Raspberry Pi Network Sensor Transforms Workflow
In today's interconnected world, where home networks often serve as the backbone for both personal and professional activities, gaining visibility into...
Perkeep: Personal Digital Archive Explained
Perkeep, formerly Camlistore, is an open-source system designed for storing, synchronizing, sharing, and querying arbitrarily large quantities of personal d...
Network Cable Implementation Strategies
The physical layer of any network infrastructure, fundamentally built upon its cabling, dictates its underlying performance, reliability, and scalability.
IP Routing Protocols: Core Network Architectures
IP routing protocols are the unsung heroes of modern connectivity, forming the foundational logic that directs data across the internet and within private...
Cache-Friendly Low-Memory Lanczos in Rust
The efficient computation of eigenvalues and eigenvectors is a cornerstone in various scientific and engineering domains, including quantum mechanics,...
IPv6 Adoption and Migration Strategies
IPv6 represents the future of internet addressing, offering a vastly expanded address space and improved features over IPv4
Quick Guide to Linux Process Management and Job Control
Effective process management is a fundamental skill for Linux users and administrators. Understanding how to monitor, control, and manipulate processes...
Mastering Linux Package Management
Package management is a cornerstone of Linux system administration, enabling installation, updating, and removal of software in a controlled, reliable manner
How to Build a REST API with Node.js and Express
Building a RESTful API is a fundamental skill for modern backend development Building a RESTful API is a fundamental skill for modern backend development.
What are the challenges in distributed transactions?
This article addresses an important question in today's technology landscape: What are the challenges in distributed transactions
What are the benefits of Writing your own BEAM?
The Erlang Virtual Machine, affectionately known as BEAM, is a cornerstone of robust, fault-tolerant, and highly concurrent systems
What should developers know about Spatial intelligence is
The landscape of Artificial Intelligence is constantly evolving, pushing the boundaries of what machines can perceive, understand, and achieve
Penetration Testing Reconnaissance
Reconnaissance is the critical first phase of any penetration test, where security professionals gather information about target systems, networks, an
Load Balancing Algorithms and Strategies
Load balancing is essential for building scalable, high-performance applications. By distributing traffic across multiple servers, load balancers prevent...
Kubernetes and Container Orchestration
Kubernetes has fundamentally transformed how we deploy, scale, and manage applications in the cloud era. As organizations increasingly adopt microservices...