According to a post on the Signal blog, a federal grand jury in the Central District of California has subpoena'd Signal for a whole pile of user data, like subscriber information, financial information, transaction histories, communications, and more. HotHardware reports: The thing is, the subpoena is moot: Signal simply doesn't have the data to provide.
The company can't provide any of the data that the grand jury is asking for because, as the company itself notes, "Signal doesn't have access to your messages, your chat list, your groups, your contacts, your stickers, [or] your profile name or avatar." The only things that Signal can offer up to the court are Unix timestamps for when the accounts in question were created and last accessed the service.
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