Parsing the .DS_Store file format
About two years ago I came across a .DS_Store file and wanted to extract its information (e.g. file names). After researching the file format and its security implications,
Just another security blog
Downloading SSH Keys via DNS
I recently came across a situation where I had to download my SSH public key over the internet, but without common tools like netcat or a webserver. Therefore, I decided
Protecting against spam by receiving more spam
Everybody knows that (email) spam is annoying. Receiving and deleting up to hundreds of emails per day is not fun... But over the years I realised that I can protect
Locking the screen when removing a Yubikey
In this blogpost I'll share a small guide on how to automatically lock your screen when you remove your Yubikey. I have my Yubikey on my key ring,
Using a Yubikey for GPG and SSH
It's been a long time since my last blogpost, but I'm back with a post about how to use your Yubikey 4 for GPG and SSH