clearcontent2: IT security research and computer science insights

incolumitas.com is a technical blog by Nikolai Tschacher focused on IT security and computer science. It is aimed at developers, security researchers, and system administrators who want in-depth, practical knowledge on networking, cryptography, and software engineering.

IP-to-AS Mapping: Learn how to map any IP address to its autonomous system number using publicly available data sources.
Datacenter Detection: Discover algorithms to determine if an IP address belongs to a hosting provider or cloud datacenter.
TLS Fingerprinting: Understand the differences between TLS 1.2 and TLS 1.3 and how protocol properties can be used to fingerprint clients.
Custom In-Memory Database: Explore a lightweight, file-backed in-memory database built from scratch as an alternative to traditional solutions.
High Precision JavaScript Timers: Read about current techniques for high-resolution timing in browsers and their applications beyond CPU-level attacks.

clearcontent2

Nikolai Tschacher shares technical articles on IT security, networking, and programming. Covers IP mapping, TLS fingerprinting, and custom databases.

clearcontent2

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