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 keys. What is a

This won't be a technical blogpost, but rather a description of my tiny social engineering experience I gathered when I decided to enter the IFA exhibition for free. IFA is

This blogpost is a short tutorial on how to efficiently generate vanity Bitcoin addresses on AWS' GPU instance and the resulting performance. The next CTF, namely the ASIS Cyber Security