Security
2025
- Lessons From the Signal LeakMar 31
I’ve found a lot of the coverage about the Trump administration’s accidental leak of Signal messages to The Atlantic frustrating. To read most of the coverage, the major mistake was Mike Waltz’s inclusion of Jeffery Goldberg in the conversation, and the big questions are about the impact of this particular leak. I have two alternative takeaways, one about the general security attitude, and one about Signal itself.
2018
- Row-Level Security: A Cautionary TaleJan 29
Row-level security is a common requirement for people trying to control access to data. Let’s explore a common way to implement row-level security on top of a relational database and see why it may not be as secure as it looks.