Jude Joffe-Block / NPR:
Letter: ICE officials confirm they are using Graphite spyware to intercept encrypted messages, saying it is primarily used to target fentanyl traffickers  —  Immigration and Customs Enforcement is using spyware tools that can intercept encrypted messages as part of the agency's efforts …

President Donald Trump’s fast pivot on Iran — from “a whole civilization will die tonight” to a benign return to negotiations — has a whipsawed world scratching their heads. What was he up to? One possibility: Many Western analysts believe that Russian nuclear doctrine includes a concept called “escalate to de-escalate,” in which Moscow would […]

Bloomberg:
A pro-Iranian cybercrime group claims responsibility for cyberattacks on Chime and Pinterest that knocked the websites of both companies offline this month  —  A pro-Iranian cybercrime group has claimed responsibility for cyberattacks on Chime Financial Inc. and Pinterest Inc. that knocked the websites of both companies offline.

Brent D. Griffiths / Business Insider:
Mythos Preview system card: the model was able to escape a sandbox after it was instructed to try, and posted details about its exploit without being prompted  —  - Anthropic said its next-generation AI model is too powerful for the public.  — That's why Claude Mythos won't be publicly released, Anthropic said.

Editor’s note, April 7, 7:30 pm ET: President Donald Trump announced on Tuesday evening that the US and Iran had agreed to a two-week ceasefire to negotiate a more comprehensive agreement to end the war. This news came before Trump’s deadline of 8 pm ET for Iran to reach a deal or, he said, a […]