About me

I'm a Swiss software engineer working in IT security. I'm interested in software engineering, IT security and network protocols. I like good espresso, cycling and have just started rock climbing.

Contact Me

• • Mastodon
  • @pascalk@infosec.exchange
• • Bluesky
  • @pascalk.bsky.social
• • Github
  • ryru
• • Matrix
  • @pascalk:digitale-gesellschaft.ch
• • Mail
  • web@addere.ch/ PGP

Projects

• Secure DNS Resolver

  Public secure DNS resolver configuration used by the Digital Society

• Hacking Exposed

  Training material for an IT security course. I created the material and taught it in the period from 2018 to 2023.

Contributions

• Open Source Projects

  From time to time I try to contribute to other open source projects. I have contributed to these projects in the past:

  • bettercrypto.org
  • blokada
  • dnsjava
  • Open Source Vulnerability Schema
  • strongSwan

• Book reviews

  I had the opportunity to contribute some thoughts to the following books:

  • "Real-World Cryptography" by David Wong
  • "Bulletproof TLS and PKI" by Ivan Ristić