Insights on cybersecurity, development, and industrial transformation
Three concurrency models in one process. Two crashes. How mixing threads, event loops, and greenlets broke my automation platform—and how I fixed it.
A complete technical journey building a mail server from raw TCP sockets to full MTA/MDA/IMAP stack, then pentesting every attack surface. Learn SMTP protocol internals, Postfix architecture, and 10 real attack scenarios.
A deep technical dive into thread models, connection pooling, and why our payment service jumped from 200 to 2000+ req/s by switching from Spring MVC to WebFlux. Learn when to use each paradigm.
Analysis of the October 2025 AWS and Azure DNS outages that cost $200M, exploring how DNS actually works, the economics behind domain registration, and when enterprise-grade DNS becomes a liability instead of an asset.
A deep dive into cryptographic systems, from Caesar ciphers to quantum cryptography, exploring symmetric and asymmetric encryption, PKI, and real-world applications in modern security.
A comprehensive breakdown of web authentication mechanisms, exploring sessions, cookies, and tokens, with real-world attack scenarios including XSS and CSRF vulnerabilities.