Yahoo Says one Billion User Accounts Were Hacked

Will Donaldson, chief executive of the data security service nomx, said more problems with cloud data security were likely to surface.

By THE ASSOCIATED PRESS. Photo by Victor J. Blue/Bloomberg. Observe in Times Movie »

SAN FRANCISCO — Yahoo, already reeling from its September disclosure that five hundred million user accounts had been hacked in 2014, disclosed Wednesday that a different attack in two thousand thirteen compromised more than one billion accounts. Read more