Howdy, I'm Chris Partridge, a Security Engineer. I do cybersecurity things with a focus on effective software security and internet-scale research.

Also, sometimes I write stuff.

Why is a 2,000-IP Botnet Torrenting Ubuntu?
About two days ago, hundreds of thousands of leeches were reported on Ubuntu's torrent tracker - downloading gigabits of data, but never reporting that they'd completed any chunks. My precious Linux ISOs (yes, really) were under attack. But whose botnet is this, why are they all downloading Ubuntu, and just how big is the botnet they're controlling? Let's dig in. Read more

What Happened To My Career After Joining Big Tech
What happens when you work for a household name? What happens when that household name has a reputation for only hiring and developing top tech talent? What happens when many recruiters and recruiting firms make a habit of poaching only "the best?" Turns out, your career growth goes exponential - and while that might be good for me now, it wasn't good for me before, and isn't good for the tech field overall. Read more

My Experience Breaking into Product Security
Cybersecurity is massive, and answers about "should I get certifications" or "should I get a degree" are not as one-size-fits-all as they may initially seem. So, I wrote up a ton of details and context about my first role, how I got into that role, and general advice I have for people looking into Product Security or cybersecurity as a whole. Read more

rockyou2021.txt: A Short Summary & Torrent Download
Thanks to an anonymous Redditor, I obtained a copy of rockyou2021.txt. It's easily the largest wordlist I have - keep in mind "wordlist" and not "breached password list" - but size isn't everything. While it's not universally useful for password cracking, you can download rockyou2021.txt here for your own research, projects, or engagements. Read more

Help for Users Impacted by Infected Extensions
If 'User-Agent Switcher', 'Nano Adblocker', or 'Nano Defender' sound familiar to you, I might have some bad news. A malware operator I am investigating has escalated their operations and infected 350k+ users; here's what happened and what to do if you were one of them. Read more