Cyber Security

Verizon Communications Inc. Chief Executive Lowell McAdam said the carrier doesn't plan to walk away from its acquisition of Yahoo Inc. after a 2014 security breach was revealed, but he did leave the door open to possibly renegotiate the $4.8 billion price tag.

Yahoo Inc last year secretly built a custom software program to search all of its customers' incoming emails for specific information provided by U.S. intelligence officials, according to people familiar with the matter.

Yahoo Inc last year secretly built a custom software program to search all of its customers' incoming emails for specific information provided by U.S. intelligence officials, according to people familiar with the matter.

An information-security firm says the hackers who stole at least 500 million records from Yahoo Inc. two years ago are criminals who are selling access to the database, and not a state-sponsored group as Yahoo contends.

An information-security firm says the hackers who stole at least 500 million records from Yahoo Inc. two years ago are criminals who are selling access to the database, and not a state-sponsored group as Yahoo contends.

Yahoo has been struggling for years to keep people coming back to its digital services such as email.

Yahoo has been struggling for years to keep people coming back to its digital services such as email.

Cyber Security in Focus -The Yahoo (NASDAQ:YHOO) hack, which took place in 2014 and compromised 500 million users, was a “state-sponsored” cyber security attack, according to the company.

Cyber Security in Focus -The Yahoo (NASDAQ:YHOO) hack, which took place in 2014 and compromised 500 million users, was a “state-sponsored” cyber security attack, according to the company.

Yahoo Inc said on Thursday information associated with at least 500 million user accounts was stolen from its network in 2014 by what it believed was a "state-sponsored actor."

Yahoo Inc said on Thursday information associated with at least 500 million user accounts was stolen from its network in 2014 by what it believed was a "state-sponsored actor."