I recently came across SerenityOS when it was featured in hxp CTF and then on LiveOverflow’s YouTube channel. SerenityOS is an open source operating system written from scratch by Andreas Kling and now has a strong and active community behind it. If you’d like to learn a bit more about it then the recent CppCast episode is a good place to start, as well as all of the fantastic videos by Andreas Kling.
You don’t get articles like this very often – exploiting a small hobby operating system? Sure, why not.