jk jensen

For a decade, the DORA metrics were our North Star.

I’ve been thinking a lot about Trusted Execution Environments (TEEs) lately.

I have been seeing some intermittent keyboard restarts lately from my lily58 so I decided yesterday to update the firmware (circuitpython) and the kmk keyboard software running on it.

holistic systems Success in technology is often found by going deep – academics and senior engineers alike spend decades doing hard technical work to become masters of their craft and push the envelope of human knowledge and accomplishment.

redesign I decided to move into the modern age, abandon jekyll (and Ruby for that matter, yuck), and redo my blog on a Hugo site.

Generative AI tools are making headlines.

(thoughts are my own and not representative of those of my employer) Lots of people have described this topic more eloquently than I can.

Every day in the month of May I conducted recorded interviews with my parents.

Last month I ran 4 miles a day, 6 days a week.

This post is the sixth in a series on mobile security where we are exploring the Android platform, how security is approached in a mobile context, and what that means for future mobile platforms like AR and VR. part 1 part 2 part 3 part 4 part 5 intro In…

This post is the fifth in a series on mobile security where we are exploring the Android platform, how security is approached in a mobile context, and what that means for future mobile platforms like AR and VR. part 1 part 2 part 3 part 4 Skip the prose a…

This post is the fourth in a series on mobile security where we are exploring the Android platform, how security is approached in a mobile context, and what that means for future mobile platforms like AR and VR. part 1 part 2 part 3 Network security is an…

This post is the third in a series on mobile security where we are exploring the Android platform, how security is approached in a mobile context, and what that means for future mobile platforms like AR and VR. part 1 part 2 Lately I’ve been spending a lot

This post is the second part of a series on mobile security where we will explore the Android platform, how security is approached in a mobile context, and what that means for future mobile platforms like AR and VR. part 1 Permissions are a fundamental pa…

This post is the first part of a new series on mobile security where we will explore the Android platform, how security is approached in a mobile context, and what that means for future mobile platforms like AR and VR. android architecture In order to und…

The saying goes something like “jack of all trades, master of none” right?

For a while I had an itch to set up my own home server.

Kotlin has a handful of fundamental differences from Java, not the least of which being the omission of static members and methods.