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Sen. Mark Warner asks the SEC to investigate whether Yahoo fulfilled obligations to inform the public about a hacking attack.
Yahoo was sued one day after the company said hackers stole information from at least 500 million accounts in 2014.
An MIT official argues why cyber-security now requires a coordinated effort between companies, governments and academia.
Yahoo users closed accounts after the company announced it suffered one of the world's largest cyber breaches.
Yahoo CEO Marissa Mayer has known that Yahoo was investigating a serious data breach since July, but withheld the information, report says.
Yahoo confirmed today that 500 million user accounts were hacked, according to Recode.
A probe into a hacking tool leak used by the NSA is focusing on a theory that someone left them available on a computer and hackers found them.
After admitting it was the victim of what is likely the largest data breach ever recorded, Yahoo faces intense scrutiny.
Yahoo confirmed a hack affecting up to 500 million accounts. Here's what companies need to do after a major data breach.
At least 500 million user accounts have been stolen from Yahoo, the company confirmed on Thursday.
The famously secretive state opened access to all the websites hosted on its servers late Monday.
A hacker named “Peace” is bringing chaos to the Internet giant just as its sale to Verizon is pending.
Bitcoin qualifies as money, a federal judge ruled on Monday, in a decision linked to a criminal case over hacking attacks against JPMorgan.
The Cambridge Cyber Summit is a one-day summit at MIT's Kresge Auditorium to discuss ways to combat urgent cyber threats and secure America's future.
A free charging station may seem like a lifesaver for travelers, but it could leave you vulnerable to hackers.
Increasingly, security experts don't just want to know how a cyberattack happened, but what country the attack come from.
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Matt Hunter is the senior technology editor at CNBC.com.
Ari Levy is CNBC.com's senior technology reporter in San Francisco.
Harriet Taylor is a CNBC.com technology reporter based in San Francisco. She covers Apple, Uber and the sharing economy, cyber security and emerging Silicon Valley trends.
Working from Los Angeles, Boorstin is CNBC's media and entertainment reporter and editor of CNBC.com's Media Money section.
Jon Fortt is an on-air editor. He covers the companies, start-ups, and trends that are driving innovation in the industry.
Josh Lipton is CNBC's technology correspondent, working from CNBC's Silicon Valley bureau.