Yahoo is investigating a new claim that user account data was obtained by a hacker, the latest security challenge for the company as it prepares...

European privacy watchdogs have sent letters to Facebook's WhatsApp over its sharing of information with parent company and Yahoo over a 2014 data breach and...

Yahoo has asked the U.S. Director of National Intelligence James Clapper to provide information about the government's request that Yahoo secretly scan customer emails. On...

Yahoo reported quarterly adjusted profit on Tuesday, a boost for the company whose deal to sell its core business to Verizon Communications has been shaken...

Verizon Communications Inc.’s top attorney said that the hack into Yahoo’s e-mail accounts represents a material impact to the phone carrier’s acquisition of the internet...

Reuters is reporting that, in 2015, Yahoo complied with an order it received from the U.S. government to search all of its users’...

Cyber security firm InfoArmor on Wednesday asserted that the 2014 hack of 500 million account credentials from Yahoo was led by an Eastern European criminal...

A recent investigation by Yahoo has confirmed that a copy of certain user account information was stolen from the company’s network in late 2014 by...

Hulu is eliminating its free tier, moving to a subscription-only model. At the same time, Yahoo announced a new streaming service, "Yahoo View," which "features"...

Verizon Communications on Monday confirmed previous reports by annoncing an agreement with Yahoo, under which Verizon will buy Yahoo's core internet business for $4.83 billion...