Yahoo revises number of hacked accounts from 500,000,000 to 3,000,000,000

Just over a year ago, Yahoo admitted that it had been hacked in 2013, and estimated that 500 million accounts had been compromised (the company blamed state-sponsored actors, and federal prosecutors have indicted two Russian spies for ordering the operation). Now the company has admitted that all three billion of its accounts were affected. (more")