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This is very, very bad news: The private keys of eight eMudhra intermediate CA certificates have been compromised. They chain to roots trusted by the Mozilla, Microsoft, Apple and Chrome …

A bold emoji set. Pixel-perfect, even on low-resolution screens. Installable color font. Supports Unicode 18 emoji.

Among the cryptographic missteps we see at Trail of Bits, “let’s build our own tool out of a hash function” is one of the most common. Clients have a problem along the lines of “we need to hash a bunch of different values together” or “we need a MAC” or “we need […]

A blog about making culture. Since 1999.

Being good at building and being good at shipping are two separate skills. In the short term, they’re actually countervailing: if you have a gift for building…

Early AI agents were basically enthusiastic idiots. Working with them required you to tell them precisely what you wanted them to do (for instance, “method A…

“I propose a new and ongoing habit, asking this question: Is the computer working the way I think it ought to work? No? Okay, I’ll ask the AI agent to help me change it.”

Stick around until the very last entry – it reveals one quiet habit that can save a straggler hummingbird's life long after your yard goes …

In 2025, I wrote that software engineers ought to be assessed by “value over replacement”: not how much money they made for their company, but how much they…

What is up with calling the first app menu item "File" even though the items do nothing related to actual files?

Things 3.23 brings new flexibility to repeating to-dos: complete them early when you’re ahead, or reschedule them to a new date if plans change.

A brief history of geodesy, from the 1700s to WGS84.

Scientists have found that people are being exposed to more toxins than previously known.

AI makes projects with weak engineering culture fail much faster.

I’m coming down from spending a few days at Usenix Security, right here in my hometown of Baltimore. This means that my days have been taken up with two kinds of conversation: first, explaini…

On image tiling through the ages.

General Dynamics opened a Texas factory to churn out artillery shells for Ukraine, but the machines kept breaking. Robot arms smashed into things. Hunks of metal crashed to the floor. There was even a real-life dumpster fire.

Working with and living in spatially complex environments may help delay cognitive decline, though more research is needed.

Whether you’re focusing on a task, creating a calm moment in the middle of the day, or winding down at night, Ambient Music can help set the right tone. With just a single tap on a widget on your Home Screen (or in Today View), you can play music from one of four moods: Sleep, Chill, Productivity, or Wellbeing.

Yesterday Anthropic published two new cryptanalysis results, both outputs of Claude Mythos, their (still) unreleased advanced model. The first of these results attacks a signature scheme called HAW…