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X is now offering me end-to-end encrypted chat — you probably shouldn’t trust it yet

X, formerly Twitter, has started rolling out its new encrypted messaging feature called “Chat” or “XChat.” The company claims the new communication feature is end-to-end encrypted, meaning messages exchanged on it can only be read by the sender and their receiver, and — in theory — no one else, including X, can access them. Cryptography experts, however, are warning that X’s current implementation of encryption in XChat should not be trusted. They’re saying it’s far worse than Signal, a techno

X’s encrypted DM feature, XChat, is rolling out more broadly

X’s long-awaited encrypted DMs feature, XChat, is becoming more widely available. Though the feature shipped in beta in May, XChat is now accessible for more users, including those who do not subscribe to X Premium. Separate from the existing DM inbox, XChat is end-to-end encrypted. The chat system supports media uploads, group chats, pinned messages, and the ability to mark messages as read or unread. Vanishing mode has been rumored to be in the works as well. Right now, users can only acces

US says UK has withdrawn demand to access Apple users' encrypted data

US says UK has withdrawn demand to access Apple users' encrypted data The Home Office has been approached for comment. The BBC understands Apple has not yet received any formal communication from either the US or UK governments. Tulsi Gabbard said in a post on X the UK had agreed to drop its instruction for the tech giant to provide a "back door" which would have "enabled access to the protected encrypted data of American citizens and encroached on our civil liberties". The US director of na

New Phobos ransomware decryptor lets victims recover files for free

The Japanese police have released a Phobos and 8-Base ransomware decryptor that lets victims recover their files for free, with BleepingComputer confirming that it successfully decrypts files. Phobos is a ransomware-as-a-service operation that launched in December 2018, enabling other threat actors to join as affiliates and utilize their encryption tool in attacks. In exchange, any ransom payments were split between the affiliate and the operators. While the ransomware operation did not receiv

Using MPC for Anonymous and Private DNA Analysis

Earlier this year, Monadic DNA kicked off an experiment to demonstrate that people can access and analyze their genetic data with anonymity and privacy. Monadic DNA collected saliva samples from thirty encrypted genomics pioneers at an event in Denver. These participants later used a Web app to claim their genotyping results using a unique kit ID and a self-selected PIN. The app guided users through uploading their data to encrypted storage powered by Nillion’s multi-party compute (MPC) techno

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Homomorphically Encrypting CRDTs

Here’s a problem with local-first software. You want to work on a document together with a friend who lives far away from you. That sounds like local-first’s bread and butter: store the document as a CRDT, then use some sort of sync server to merge updates and relay them between you and your friend. But there’s a catch: the contents of that document are secret. So secret, in fact, that you don’t even want the app developer to know what they are. One way to solve this is end-to-end encryption.