Articles & Tutorials

149 technical articles covering AI, Machine Learning, Cybersecurity, Data Science, and Programming. Practical guides, tutorials, and deep dives — written for developers.

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11 articles

Cybersecurity

Why RAG Exists: The Hallucination Problem

RAG combines document retrieval with LLM generation. Instead of asking the model to "remember" everything, you search your documents first,…

Python LLMs RAG
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Cybersecurity Code

How Websites Actually Work: DNS, HTTPS, Servers and Browsers

Key Takeaway --> Every website visit involves six stages — URL parsing, DNS resolution, TCP connection, TLS encryption, HTTP request/respo…

Python JavaScript AI Agents
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Cybersecurity Code

Cross-Site Scripting Explained for Web Developers

KEY TAKEAWAY Cross-Site Scripting (XSS) happens when untrusted user input is included in web pages without proper encoding. The browser c…

JavaScript RAG AI Agents
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Cybersecurity Code

SQL Injection Explained and Prevented

KEY TAKEAWAY SQL injection occurs when user input is concatenated directly into a SQL query string, allowing the input to become executab…

Python JavaScript Encryption
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Cybersecurity Code

Hashing vs Encryption vs Encoding: What's the Difference?

Key Takeaway --> Hashing verifies integrity and stores passwords safely. Encryption keeps data confidential with a key. Encoding converts …

Python RAG MCP
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AI & Machine Learning Code

RAG Architecture Explained: Every Component of a Retrieval-Augmented AI System

RAG (Retrieval-Augmented Generation) grounds LLM responses in your actual documents. Every component — from ingestion to citations — matter…

Python Docker LLMs
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Cybersecurity Code

Indirect Prompt Injection: When Websites and Documents Attack AI Agents

Key Takeaway Indirect prompt injection occurs when an AI agent processes untrusted external content that contains hidden malici…

LLMs RAG Prompt Injection
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Cybersecurity Code

Four Levels of AI Assistance

Key Takeaway --> 🎯 The evolution from autocomplete to agents isn't about replacing developers—it's about shifting the developer's r…

Python NLP GPT
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Cybersecurity Code

From Prompt Crafting to System Design

Key Takeaway --> 🎯 Context engineering is the skill of designing what an AI system knows, sees, and can do. While prompt engineerin…

Python JavaScript LLMs
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Cybersecurity

The Prototype Gap

Moving a RAG system from prototype to production requires far more than better prompts. It demands evaluation frameworks, security controls…

Python LLMs RAG
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Cybersecurity Code

Why Build a Private RAG System?

Key Takeaway --> 🔑 KEY TAKEAWAY

Python Docker LLMs
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