Karim Baratov, a 22-year-old Canadian national, pleaded guilty to charges related to the FBI's investigation into the Yahoo 2014 data breach.
Yahoo Groups were nonfunctional all last week, according to customers complaining on the company's support forum and Twitter.
In a statement posted online today, Yahoo — now rebranded as Oath and part of Verizon — corrected the estimation on a security breach announced last year from the initial assessment of one billion to "all Yahoo user accounts."
Yahoo's engineering staff have retired the ImageMagick library from active duty after a security researcher found a bug that would have allowed an attacker to expose server memory, which, due to the library's nature, leaked image data from users' inboxes.
The US Department of Justice (DoJ) charged four suspects today for orchestrating the 2014 Yahoo data breach during which attackers stole details for over 500 million Yahoo users.
Yahoo CEO Marissa Mayer announced she'll forgo her annual bonus ($2 million) and equity grant ($14 million), which she'll be redistributing to Yahoo employees instead.
Despite two high-profile data breaches that came to light just after Verizon agreed to buy Yahoo for $4.83 billion, the sale is going forward as initially announced, albeit with some fears on Yahoo's side.
Yahoo Chief Information Security Officer (CISO) Bob Lord admitted today that Yahoo suffered a second data breach during which an unknown third-party had stolen information on more than one billion Yahoo users.
Documents filed by Yahoo yesterday with the US Securities and Exchange Commission (SEC) reveal that at least some Yahoo employees knew since 2014 of the massive security incident through which an unknown attacker stole details of 500 million users.
In what could be the largest data breach in history, Yahoo announced today that attackers infiltrated their servers and walked away with account information for at least 500 million users. This stolen information may include names, email addresses, telephone numbers, encrypted passwords, and more.