Host Identity Protocol, or HIP, is a layer 3.5 solution and was initially designed to split the dual role of the IP address - locator and identifier. Using HIP protocol one can solve not only mobility ...

Recently at our local (Phoenix) Free Software Stammtisch, we were talking about security. I was surprised to find that no one else realized you can ssh safely across a compromised host to another ...

Barely a week has passed from the last attempt to hide a backdoor in a code library, and we have a new case today. This time around, the backdoor was found in a Python module, and not an npm ...

The Python security team removed two trojanized Python libraries from PyPI (Python Package Index) that were caught stealing SSH and GPG keys from the projects of infected developers. The two libraries ...

複数の仮想マシンを管理するにあたり、踏み台サーバー（bastion）から各マシンへ安全かつ手間なく接続できる環境を整備することが重要です。今回は bastion から以下のホストへ SSH 接続を行うために、公開鍵認証の仕組みを導入しました。 まず bastion から各 ...