LATEST INSIGHTS
MERN stack deep-dives, real-time architecture, and modern web development strategies.
Web Vulnerabilities Overview
A structured overview of common web vulnerabilities with links to detailed write-ups, practical examples, and future topics for expanding security research knowledge.
System Design Overview
A structured overview of system design covering core concepts and linking to detailed guides for each component and architectural pattern.
Advanced Bug Bounty Hunting Methodology
A complete technical workflow for advanced bug bounty hunting, covering reconnaissance, vulnerability discovery, chaining, automation, and professional reporting.
Custom Nuclei Templates in Bug Bounty Hunting
Learn how custom Nuclei templates help bug bounty hunters discover unique vulnerabilities, reduce false positives, and automate reconnaissance for higher payouts.
Mastering Google Dorks for Passive Reconnaissance
A comprehensive guide to using advanced Google search operators (Google Dorks) to uncover vulnerabilities, exposed files, and misconfigurations ethically.
Identifying Tech Stacks via Session Tokens
A quick guide to fingerprinting web application technologies by analyzing default session token names, essential for reconnaissance in penetration testing.
Caching and CDN — Speeding Up Systems at Every Layer
A complete guide to caching strategies, eviction policies, cache invalidation, distributed caches, and Content Delivery Networks (CDN) for building fast, scalable systems.
Databases in System Design — SQL, NoSQL, Replication, Sharding, and ACID vs BASE
A comprehensive guide to database selection in system design: relational vs non-relational databases, replication strategies, sharding, CAP theorem, ACID and BASE consistency models.
Domain Name System (DNS) — How the Internet's Phone Book Works
A complete guide to DNS: how domain name resolution works, the types of DNS servers, record types, caching, and why DNS matters in distributed system design.
Load Balancing — Distributing Traffic for High Availability and Scale
A complete guide to load balancing in system design: types, algorithms, L4 vs L7 balancing, redundancy, and when to use each approach for building scalable, resilient systems.
Message Queues, Pub/Sub, WebSockets, and REST vs gRPC — Communication Patterns in System Design
A complete guide to inter-service communication patterns: message queues, publish-subscribe, long polling, WebSockets, SSE, and a comparison of REST, GraphQL, and gRPC.
System Design Case Study — Netflix (Video Streaming at Global Scale)
A full system design for a Netflix-like video streaming platform: video upload and processing pipelines, adaptive bitrate streaming, CDN strategy, search, recommendation systems, and handling 200M daily active users.
IP Addresses, OSI Model, TCP and UDP — Networking Fundamentals for System Design
A deep dive into the networking fundamentals every system designer must know: IP addresses (IPv4/IPv6), the OSI model layers, and the differences between TCP and UDP.
Scalability, Availability, and Architecture Patterns — Monoliths, Microservices, and More
A deep dive into scalability patterns, high availability design, and architectural styles including monoliths, microservices, event-driven architecture, CQRS, and the API Gateway pattern.
How to Ace System Design Interviews — A Complete Framework and Checklist
A structured guide to system design interviews: the exact framework to use, how to handle requirements, capacity estimation, data modeling, API design, high-level design, and bottleneck identification with examples.
System Design Case Study — Twitter (Social Media at Scale)
A comprehensive system design for Twitter: newsfeed generation, fan-out strategies, trending topics, search with Elasticsearch, and handling 1 billion daily active users.
System Design Case Study — Uber (Ride-Hailing at Global Scale)
A complete system design for building Uber: real-time location tracking, geospatial driver matching with Quadtrees, surge pricing, ride dispatch, payment processing, and handling 100M daily active users.
System Design Case Study — URL Shortener (like Bitly or TinyURL)
A complete system design walkthrough for building a URL shortening service at scale: requirements, capacity estimation, data model, API design, encoding strategies, caching, and bottleneck resolution.
What is System Design?
A comprehensive introduction to system design — the process of defining architecture, interfaces, and data flows to build scalable, reliable, and efficient software systems.
System Design Case Study — WhatsApp (Instant Messaging at Scale)
A complete system design for building a WhatsApp-like instant messaging service: real-time messaging, read receipts, last seen, push notifications, media storage, and multi-region architecture.
LLM Security Vulnerabilities
Explore security risks in Large Language Models including prompt injection and data leakage.
Clickjacking Vulnerability
Learn how clickjacking attacks trick users into unintended actions and how to detect and prevent them.
Cross-Site Request Forgery (CSRF)
Understand CSRF attacks, how attackers exploit authenticated sessions, and how to prevent them.
Host Header Injection
Explore host header injection attacks, their impact, and techniques to exploit and mitigate them.
HTTP Request Smuggling
Deep dive into HTTP request smuggling vulnerabilities caused by inconsistent parsing between servers.
JWT Vulnerabilities
Understand common JWT vulnerabilities like none algorithm, weak secrets, and token manipulation.
Prototype Pollution
Learn how prototype pollution affects JavaScript applications and how to exploit and prevent it.
Web Cache Deception
Understand how attackers exploit caching mechanisms to expose sensitive user data.
Web Cache Poisoning
Explore how attackers poison caches to serve malicious content to users.
Introduction to Kubernetes
A beginner-friendly guide to understanding Kubernetes (K8s) and how it manages containerized applications like a professional conductor.
Introduction to Socket-io
A comprehensive guide to understanding Socket.io, enabling real-time, bidirectional, and event-based communication between web clients and servers.
How to Manage Multiple GitHub Accounts on One Computer using SSH
A complete guide on setting up and switching between personal and work GitHub accounts using custom SSH configurations and IdentityFiles.
Mastering Web Security: Complete PortSwigger Academy Lab Solutions
A comprehensive guide and walkthrough of all PortSwigger Web Security Academy labs, designed for security researchers to master exploitation techniques.