In the wake of the shooting of unarmed teen Michael Brown, hackers launch a cyberattack to take out the police department's website and email.
The video game developer, known for creating Assassin's Creed, announces that its account database was breached and that all users should to reset their passwords.
AOL instructs mailbox providers to reject any email allegedly associated with an AOL domain that didn't originate from an AOL server.
Twitter said today it has adopted a new technology that makes it much harder for phishing e-mails supposedly sent from the company to make it into users' in-boxes.
The IAEA confirms its servers were breached and a hacking group claims responsibility demanding an investigation into Israel's alleged nuclear proliferation program.
Privacy groups cautiously applaud, but are concerned about a requirement that would force Internet companies to notify police before letting customers know they're under surveillance.
After public criticism of proposal that lets government agencies warrantlessly access Americans' e-mail, Sen. Patrick Leahy says he will "not support" such an idea at next week's vote.
Proposed law scheduled for a vote next week originally increased Americans' e-mail privacy. Then law enforcement complained. Now it increases government access to e-mail and other digital files.
The company has already alerted those affected, and is working with federal law enforcers to find the perpetrators.
The company posts guidelines for Yahoo users worried about infection and says people outside Europe may have been hit. It also says the attacks went on longer than previously reported.