‘One billion’ user accounts exposed after Yahoo hack
WASHINGTON: Yahoo Inc warned on Wednesday that it had uncovered yet another massive cyber attack, saying data from more than 1 billion user accounts was compromised in August 2013, making it the largest breach in history.
The number of affected accounts was double the number implicated in a 2014 breach that the internet company disclosed in September and blamed on hackers working on behalf of a government. News of that attack, which affected at least 500 million accounts, prompted Verizon Communication Inc to say in…