Over 1 billion Yahoo accounts were hacked in 2013, the company said. Among the stolen data were passwords and security questions.
Wednesday, December 14, 2016 5:31 PM EST
SAN FRANCISCO — Yahoo, already reeling from its September disclosure that 500 million user accounts had been hacked in 2014, disclosed Wednesday that a different attack in 2013 compromised more than 1 billion accounts.
