Glazastov

OSINT: The Architecture of Public Information Leakage

June 29, 2026 · 54 min read

A deep technical guide to open-source intelligence: from infrastructure enumeration and DNS reconnaissance through search engine dorking, repository mining, personnel graphs, and cloud exposure, to synthesis, tooling, and defensive countermeasures.

Pointers and Memory: From the First Byte to the Last Cache Miss

A complete guide to how computer memory works, from what a byte is through virtual address spaces, heap bugs, and the MMU, all the way to CPU cache lines, false sharing, and memory ordering.

May 25, 2026 · 19 min read

Post-Quantum TLS: Why Your HTTPS Certificate Needs to Change

Shor's algorithm makes RSA and ECDSA obsolete the moment a cryptographically relevant quantum computer arrives. The migration to post-quantum HTTPS has two halves, and only one of them is going well.

May 24, 2026 · 8 min read

The Fourier Transform: A Visual and Mathematical Primer

From heat equations to signal processing — how Jean-Baptiste Joseph Fourier's century-old insight underpins nearly all of modern computing.

November 15, 2024 · 2 min read

Rust's Ownership Model: Memory Safety Without a Garbage Collector

Roughly 70% of severe security bugs in C and C++ are memory-safety violations. Rust's ownership system eliminates them at compile time, with no runtime collector — and the industry is finally moving.

October 3, 2024 · 10 min read

Distributed Consensus: From Paxos to Raft

Why agreeing on anything in a distributed system is surprisingly hard, and how Raft makes Paxos understandable without sacrificing correctness.

September 20, 2024 · 4 min read