Get our introductory offer at only
*$0.99/month for first 3 months
$29.90/month for the next 9 months
YAHOO, already reeling from its September disclosure that 500 million user accounts had been hacked in 2014, disclosed on Wednesday that a different attack in 2013 compromised more than 1 billion accounts.
The two attacks are the largest-known security breaches of one