The Department of Justice has announced charges against nine Iranians, affiliated with the Mabna Institute, who are accused of stealing private data from U.S. universities, private companies, and U.S. government departments.

Yahoo on Tuesday released an update to its 2013 breach, notifying users that all 3 billion accounts in existence at the time were compromised.

Yahoo said in its latest SEC filing that executives and legal reps failed to act sufficiently on the information they had about breaches that exposed more than 1 billion account records.

A relatively small number of Twitter users, including a few connected to security and privacy advocacy, have been informed that their accounts have been targeted by state-sponsored hackers. Notifications began appearing in the inboxes of affected users two days ago, with very little concrete information accompanying the warning. Twitter said in the notification that the...