Cybersecurity incident — 2016-09-22 00:00:00
Affected organization: Yahoo!
Affected country: United States of America
Industry: Information
Event type: Exploitive
Event subtype: Exploitation of Application Server
Motive: Undetermined
Actor: Undetermined
Actor type: Criminal
Actor country: Undetermined

Yahoo! Inc. (NASDAQ:YHOO) confirms that a copy of certain user account information was stolen by a state-sponsored actor from the company's network in late 2014. The account information may have included names, email addresses, telephone numbers, dates of birth, hashed passwords (the vast majority with bcrypt) and, in some cases, encrypted or unencrypted security questions and answers.