Articles & Tutorials
149 technical articles covering AI, Machine Learning, Cybersecurity, Data Science, and Programming. Practical guides, tutorials, and deep dives — written for developers.
35 articles in Cybersecurity · Encryption
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…
Infrastructure as Code Explained: Terraform and OpenTofu
Key Takeaway --> Terraform and OpenTofu use the same HCL syntax, same providers, and same state format. OpenTofu adds native state encrypt…
Build a Production-Style Python CI Pipeline
Key Takeaway --> A production CI pipeline goes beyond running tests. It combines pytest for correctness, linting for code quality, securit…
Secrets Management for Developers: From .env Files to Secret Managers
KEY TAKEAWAY Secrets management is the practice of storing, accessing, rotating and revoking credentials securely. .env files work for lo…
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…
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…
API Authentication Methods Compared
Key Takeaway --> There is no single "best" API authentication method. API keys are simple but weak. Basic Auth is convenient but sends pas…
OAuth 2.0 Explained for Beginners
Key Takeaway --> OAuth 2.0 is an authorization framework — it lets users grant third-party apps limited access to their data without shari…
JWT Explained: Header, Payload and Signature
Key Takeaway --> A JWT is three Base64URL-encoded parts separated by dots: header (algorithm), payload (claims), and signature (integrity)…
How HTTPS and TLS Actually Work
Key Takeaway --> HTTPS is HTTP running over TLS. The TLS handshake performs three critical functions in a single exchange: negotiating enc…
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 …
RAG Security: Protecting Vector Stores and Preventing Data Leakage
Key Takeaway --> RAG systems create unique security challenges because they connect AI models to your data. Protecting vector stores requi…