incolumitas.com is a technical blog by Nikolai Tschacher, presenting detailed articles and research findings in IT security and computer science. It is intended for security researchers, developers, and system administrators seeking deep technical analysis and novel implementations.

• Original Research Articles: The site features long-form posts on specific technical challenges, such as mapping IP addresses to autonomous systems or fingerprinting TLS clients, providing methodical explanations and code.
• Hands-on Project Demonstrations: Content includes announcements and documentation for personal software projects, like a custom in-memory database, offering insight into practical system design.
• Security and Network Analysis: A core focus is investigating internet infrastructure and security protocols, with posts analyzing topics like identifying cloud provider IP ranges or the state of high-precision browser timers.
• Technical Transparency: The blog provides updates on its own operational status and development, giving readers context about the site's evolution and the author's ongoing work.