Sen. Mark Warner asks the SEC to investigate whether Yahoo fulfilled obligations to inform the public about a hacking attack.
CNBC's Eamon Javers reports the latest on Senator Mark Warner asking U.S. Securities and Exchange Commission to investigate the Yahoo hack of 500 million accounts.
Tim Armstrong, chief executive of AOL, tells CNBC that Verizon is working with Yahoo to understand the scope of the data breach.
Some of the names on the move ahead of the open.
AOL CEO Tim Armstrong is hesitant to discuss Yahoo's recent security breach.
Yahoo users closed accounts after the company announced it suffered one of the world's largest cyber breaches.
Yahoo was sued one day after the company said hackers stole information from at least 500 million accounts in 2014.
Yahoo CEO Marissa Mayer has known that Yahoo was investigating a serious data breach since July, but withheld the information, report says.
SAN FRANCISCO— If a foreign government is behind the massive computer attack that compromised a half billion user accounts at Yahoo, as the company says, the breach could be part of a long-term strategy that's aimed at gathering intelligence rather than getting rich. Yahoo says the breach involved users' email addresses, passwords and other information—...
Jeremy Kroll, cybersecurity expert, K2 Intelligence CEO weighs in on Yahoo being hit by a massive hack attack and keeping cyber hygiene.
The U.S. government needs to clearly enunciate a policy that protects more critical systems from hackers, an expert said.
CNBC's Eric Chemi reports the latest on Yahoo's data breach and how the hackers tried to sell 200 million Yahoo accounts in August.
Two sources said Twitter was looking for at least $30 billion to sell, Recode reports.
European stocks closed lower Friday as investors paused for breath after recent gains.
Walter Isaacson, Aspen Institute president weighs in on rising hack attacks.
Yahoo confirmed today that 500 million user accounts were hacked, according to Recode.
SAN FRANCISCO— Yahoo has been struggling for years to keep people coming back to its digital services such as email. The security breakdown risks magnifying Yahoo's preexisting problems— specifically, that it is losing users, traffic and the advertising revenue that follows both, to rivals such as Google and Facebook. And if these people give up on Yahoo as a...
The two-year gap between the initial data breach to Yahoo's public announcement is an unacceptably long time, says IBRS Advisor James Turner.
It's uncertain whether Yahoo was unaware of the data breach for two years or if it just didn't inform people, says Moor Insights & Strategy's Patrick Moorhead.
It's hard to trace state-sponsored hackers as the data are not sold for profit but for intelligence gathering, says Tinfoil Security's Michael Borohovski.