Cyber blue team leader by day, tinkerer/hacker at night. Designing secure systems and traveling the world is what I like. Unfair, harsh, inconsiderate behavior is what I don't like.

Twitter: @iocseb | Mastodon:

I work in #infosec, have a history with #opensource, and am passionate about #decentralization (the one without the crypto).

I recently gave a public talk at NolaCon in New Orleans, the slides are available here.

One of my hobbies is to play soccer, another one is trying out Linux distros. As a way of giving back to the FOSS community, I run two Mastodon instances: and

I also run and sometimes add content to a Cybersecurity Wiki:

And I have a Gemini capsule at gemini:// (via https gateway)

I especially dislike business models that rely on the sales of personal information. When I was studying the impact of computer science and the Internet on human societies in college back in the early 2000's, I was doubting that anyone will ever want to give away their info in return for free services. History has taught me otherwise.


In the last couple of months I have spent a good amount of time reading, trying out, and thinking about decentralized social networks on the Internet. This post summarizes my understanding of the three different types I have come across.



I have recently built a new Mastodon instance to create an additional home for InfoSec professionals on the Fediverse. Being a new Mastodon admin, I was evaluating the different ways to get more content on the Federation Timeline. This post summarizes my experience, findings, thoughts, and possible feature requests.