Archways

Detecting XZ in Debian with Otto Kekäläinen

In this episode, Josh and Otto dive into the world of Debian packaging, exploring the challenges of supply chain security and the importance of transparency in open source projects. They discuss Otto’s blog post about the XZ backdoor and how it’s a nearly impossible attack to detect. Otto does a great job breaking down an incredibly complex problem into understandable pieces. Episode Links Otto Could the XZ backdoor have been detected with better Git and Debian packaging practices? This episode is also available as a podcast, search for “Open Source Security” on your favorite podcast player. ...

November 3, 2025 · Josh Bressers
wide-robots

Episode 429 - The autonomy of open source developers

Josh and Kurt talk about open source and autonomy. This is even related to some recent return to office news. The conversation weaves between a few threads, but fundamentally there’s some questions about why do people do what they do, especially in the world of open source. This also is a problem we see in security, security people love to tell developers what to do. Developers don’t like being told what to do. ...

May 20, 2024
wide-xz4shell

XZ Bonus Spectacular Episode

Josh and Kurt talk about the recent events around XZ. It’s only been a few days, and it’s amazing what we already know. We explain a lot of the basics we currently know with the attitude much of these details will change quickly over the coming week. We can’t fix this problem as it stands, we don’t know where to start yet. But that’s not a reason to lose hope. We can fix this if we want to, but it won’t be flashy, it’ll be hard work. ...

April 1, 2024