CHICAGO (WLS) -- The ABC7 I-Team is investigating that massive Yahoo cyberattack involving a billion accounts worldwide. This is the second time this year Yahoo has announced a significant breach. In ...

SAN FRANCISCO -- Yahoo has discovered a 3-year-old security breach that enabled a hacker to compromise more than 1 billion user accounts, breaking the company's own humiliating record for the biggest ...

Last week, Yahoo owned up to the largest hack known to have occurred in computing history. Passwords, logins, and other account information on some 500 million people were stolen in the heist. At the ...

When the news of Yahoo's massive hack began to break last year -- we can forgive you if you don't remember which one that is, since there've been so many -- the company attempted to perform damage ...

Yahoo on Wednesday afternoon revealed that hackers made off with the user data of more than 1 billion accounts. The breach occurred in August 2013, according to Yahoo, and is believed to be separate ...

WASHINGTON (Reuters) - Verizon Communications Inc said on Thursday it has a "reasonable basis" to believe Yahoo Inc's massive data breach of email accounts represents a material impact that could ...

One mistaken click. That’s all it took for hackers aligned with the Russian state security service to gain access to Yahoo’s network and potentially the email messages and private information of as ...

TORONTO (Reuters) - Karim Baratov, the 22-year-old Kazakh-Canadian dual citizen accused of involvement in a massive hack of Yahoo accounts that the United States says was orchestrated by Russian spies ...