NetworkingL LexiconOSI Model
The complete OSI reference — every layer, its protocols, devices, headers, addressing, security, and how it maps to TCP/IP. One page, everything.
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Research & Writeups
NetworkingL LexiconProgrammingL LexiconStart Here — How to Solve a Problem
Stuck and can't solve even one problem? This is the gentle, from-zero guide to how problem solving actually works — solve by hand first, then code. A ~22 minute read.
Read on LexiconProgrammingL LexiconFrom if/else to DSA — The Whole Path
The complete beginner journey, explained gently and in full — decisions, loops, functions, recursion, every data structure, and the core algorithms. Read it over several sittings.
Read on LexiconNetworkingL LexiconTCP vs UDP
The two transport protocols compared in full — how each works, when to use which, headers, reliability, security, and where QUIC/HTTP-3 fits.
Read on LexiconProgrammingL LexiconProblem Solving
How to actually solve programming problems — the process, every pattern and when to use it, complexity, data structures, worked examples, and how to get good.
Read on LexiconNetworkingL LexiconTCP/IP Model
The 4-layer model the internet actually runs on — each layer, its protocols, how it maps to OSI, encapsulation, a real web request, and why it beat OSI.
Read on LexiconProgrammingL LexiconDSA Practice — Learn by Solving
A hands-on path through DSA: learn a pattern, solve real LeetCode problems with built-in Hint 1 / Hint 2 / Approach drop-downs, then the next pattern. A ~40 minute read + a lot of practice.
Read on LexiconProgrammingL LexiconC Programming
The full C lab notebook in one place — every classic program (Part A, B and C) with code, how it works, and sample output, plus a quick reference for I/O and operators.
Read on LexiconProgrammingL LexiconPython
Python from scratch — every fundamental explained clearly, building up to solving real problems, with links to the Problem Solving patterns and complexity.
Read on LexiconSecurityO Opus2026 in Security: A Month-by-Month Timeline (January–June)
A cited, month-by-month account of the most significant cybersecurity events of the first half of 2026 — the zero-days, the breaches, the ransomware shifts.
Read on OpusAIO OpusMythos and Fable 5: Anthropic's Most Powerful Models — and the Collision With Washington
Anthropic built a model tier above Opus, shipped its first public 'Mythos-class' model in Fable 5 — and walked straight into a national-security fight with the U.S. government. What the models do, and what officials actually said.
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securityM MediumCVE-2025–0282: How a One-Line Bug in Ivanti’s VPN Let Attackers Walk Through the Front Door
A balanced breakdown of the root cause, the exploit chain, and what defenders — and pentesters — should take away. The Setup Your VPN appliance is supposed to be the thing that kee
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cryptocurrencyM Medium“We Encrypt With AES-256” Is Not a Security Architecture
The questions nobody asks — and the attacks that follow when they don’t You’re in a security review. An engineer pulls up the architecture diagram and says the words: “All data at
Read on MediumSecurityO OpusThe Year of Edge Zero-Days: Why 2026 Belonged to the Perimeter
Cisco SD-WAN, Check Point VPN, and a string of perimeter appliance flaws made 2026 the year attackers owned the edge. A look at the CVEs, the pattern, and the defenses.
Read on OpusSecurityO OpusRansomware in 2026: Encryptionless, Post-Quantum, and AI-Assisted
Ransomware changed shape in 2026 — fewer locked files, more pure extortion, quantum-resistant ciphers, and AI in the loop. A data-backed look at where it's heading.
Read on OpusSecurityO OpusExtortion Without Encryption: The ShinyHunters Playbook of 2026
In 2026, the biggest data-theft story wasn't ransomware that locks files — it was extortion crews like ShinyHunters who simply steal and threaten to leak. Here's how it worked.
Read on OpusSecurityO OpusWhen Hacktivism Turns Destructive: Wipers and Geopolitics in 2026
2026 saw geopolitically motivated groups move from defacement and DDoS to destroying systems outright. A look at the actors, the incidents, and what defenders should take from it.
Read on OpusEmbedded SecurityO OpusBuilding an HSM on a Cortex-M0+: Lessons from MITRE eCTF 2026
What it takes to make firmware keep its secrets when the attacker holds the chip — a build log of a hardware security module on a bare-metal ARM Cortex-M0+.
Read on OpusCritical InfrastructureO OpusModeling a City's Power Grid as a Graph
Treating the Boston metro electric grid as a network of nodes and edges reveals which substations matter most — and how the system fails under targeted attack versus random faults.
Read on OpusSecurityO OpusHardcoded Credentials in a Medical Infusion Pump: Anatomy of a Finding
Threat-modeling a clinical infusion pump turned up a known data-exposure CVE and a hardcoded-credentials weakness — a study in why medical devices stay vulnerable for years.
Read on OpusIoT SecurityO OpusAnatomy of an MQTT Broker DoS: From 600 MB to Outage
Three denial-of-service vectors that took a hardened Mosquitto broker from healthy to a 49-minute outage on a Raspberry Pi 4 — and the mitigations that stop them.
Read on OpusCryptographyO OpusLattice Attacks on ECDSA Nonce Reuse
Reuse or leak a few bits of an ECDSA nonce and the private key falls out — via simple algebra when the nonce repeats, and lattice reduction when only fragments leak.
Read on OpusDetection EngineeringO OpusWriting Snort Rules That Actually Catch Attacks
Building and tuning Snort detection for real CVE exploits and live reverse shells — in both passive IDS and inline IPS modes — and validating every rule against PCAP.
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CybersecurityThings I Do After Installing Kali Linux 2025.2 – My Full Setup
Full checklist and setup guide I follow after installing Kali Linux 2025.2 — perfect for ethical hacking and bug bounty.
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CybersecurityRansomware Unmasked- The Definitive Guide
An in-depth, comprehensive guide to ransomware, covering its origins, technical workings, types, infection methods, prevention, detection, response, and the broader impact on organizations and individuals.
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arch-linuxM MediumMy Journey: Discovering the Relationship Between Kali Linux and Black Arch
As a cybersecurity enthusiast and Linux explorer, I’ve spent considerable time with various security-focused distributions. Today, I want to share my personal journey of discoverin
Read on MediumThings I Do After Installing Kali Linux 2025.2 — My Full Setup
Things I Do After Installing Kali Linux 2025.2 — My Full Setup Hey everyone, I’m Dev I’ve been using Kali Linux for a while now for everything from learning to bug bounty to basic
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personal-experienceMy Journey Through the CEH Exam and Preparing for the OSCP
Reflecting on my experiences preparing for and taking the CEH exam, and my journey toward the OSCP certification.
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personal-experienceCOVID-19 and Its Impact on the Digital World A Personal Journey
Reflecting on how the COVID-19 pandemic reshaped my digital experiences and the world around me
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cybersecurityUnderstanding Fileless Malware A Comprehensive Exploration
An in-depth analysis of fileless malware, its mechanisms, impact, and countermeasures.
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cybersecurityRansomware - The Invisible Chain
A deep dive into ransomware, its impact on modern cybersecurity, and best practices to defend against it
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