An Indian national pleaded guilty Friday to conspiracy and aggravated identity-theft charges related to an international fraud scheme to hack into online brokerage accounts in the U.S. and use them to manipulate stock prices, the U.S. Department of Justice said.

A clever phishing scheme launched last week may have stolen more than €3 million (US$4.1 million) worth of carbon emission permits from companies.

For both enterprises and consumers, one of the big draws of Windows 7 has been its tighter security features.

Twitter required some users to reset their passwords on Tuesday after discovering that their log-in information may have been harvested via security-compromised torrent Web sites, the company said.

Internet provider iiNet cannot be held responsible if its users choose to breach copyright laws by downloading movies, a Federal Court judge in Sydney has found.