In response to a classified edict from the National Security Agency or the FBI, Yahoo scanned all of its users’ incoming emails for a specific “set of characters,” keeping the scans and the software system it built to do so a secret. Millions of emails were scanned, but neither federal agency nor Yahoo will say if they found what they were looking for. Experts say this is the first case of a U.S. Internet company agreeing to search all arriving emails, rather than stored messages or a small number of email accounts. Continue reading In a First, Yahoo Secretly Scans All Incoming Emails for Feds