I teach cryptography at Johns Hopkins. https://blog.cryptographyengineering.com
Matthew Green
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Remember the current NIH director going on about protecting researchers from government censorship?
Today his people called the police in to forcibly remove my colleagues from their own society meeting for sharing an editorial published in their flagship journal that was critical of him.
Gift link
Scoop: Britain has weakened proposed cybersecurity protections for its telecoms networks that were developed in response to the Salt Typhoon espionage campaign, after the companies responsible for implementing the measures lobbied against them.
Britain has weakened proposed cybersecurity protections for its telecoms networks that were developed in response to the Salt Typhoon espionage campaign, after the companies responsible for implementi...
Does anyone have a connection to Randall Munroe (@xkcd.com) or any way to reach his company? I’m writing a book and wanted to license some of his cartoons but can’t get a response from his licensing or press emails.
My strongest argument that we’re actually living in a simulation is the three-way light switch. There’s no way that can possibly work.
I wrote a new post about the privacy risks of on-phone agents like Apple’s new Siri, and how private inference isn’t any sort of silver bullet. blog.cryptographyengineering.com/2026/06/09/a...
Matthew Green
Yesterday Apple announced a big step towards deploying real AI in their Siri ecosystem. In most ways this is good and inevitable: Siri is one of the world’s most widely-used voice agents, and…
