Burger King sustained a virtual Big Mac attack Monday when its Twitter account was hacked then redesigned with a bogus claim of a corporate takeover by McDonald's.

Its @BurgerKing account briefly sported the McDonald's golden arches logo, a curt statement that Burger King "just got sold to McDonald's" and tweets promoting Chicago rapper Chief Keef before it was abruptly suspended.

China's army controls some of the most prolific hackers in the world, according to a new report Tuesday by an Internet security firm that traced a host of cyberattacks to an anonymous building in Shanghai.

Mandiant said its hundreds of investigations over the past three years showed that groups hacking into U.S. newspapers, government agencies, and companies "are based primarily in China and that the Chinese government is aware of them."

South Korea's Samsung Electronics Tuesday launched a range of giant Internet-enabled televisions as part of a strategy to cement its lead in slowing global markets by focusing on premium models.

The 16 new "smart TV" models, which come in sizes ranging from 46 to 75 inches, allow users to navigate the Internet, offer specialized apps such as video games and recognize various spoken queries and hand motions.

European data protection agencies intend to take action against the US Internet giant Google after it failed to follow their orders to comply with EU privacy laws, a French agency said on Monday.

In October the data protection agencies warned Google that its new confidentiality policy did not comply with EU laws and gave it four months to make changes or face legal action.

Silicon Valley's long crusade to break open doors to America for foreigners with key technology skills hinges on a political battle in Washington over broader immigration reform.

For more than a decade, the tech sector has been struggling to get more visas and green cards for immigrants with engineering, math or science skills.

LG Electronics unveiled Monday the latest version of its flagship smartphone, boasting a higher resolution screen aimed at gaining a technical edge over bigger rivals like Samsung.

The Optimus G Pro -- the newest version of the Optimus G series and the first LG smartphone offering a full high-definition (HD) screen -- will hit stores at home Wednesday, the South Korean firm said.

Facebook said Friday its computer system was "targeted in a sophisticated attack" last month, but that it found no evidence any user data was compromised.

The company said in a blog post that malware came from an infected website of a mobile developer and that "we remediated all infected machines, informed law enforcement, and began a significant investigation that continues to this day."

Facebook on Friday said it is letting users pay to ensure that messages posted by friends at the leading social network get more attention.

The feature is being rolled out globally and comes less than four months after Facebook began letting members pay to have personal posts get priority in feeds seen by friends.

Someone's famous last words are now likely to be famous last tweets.

A blog launched this week, thetweethereafter.com, captures some of those final 140-character comments as part of an unusual tribute to the newly departed.

A South Korean lawmaker known for criticism of the Samsung conglomerate has forfeited his seat in parliament after the Supreme Court ruled he violated communications laws by publishing incriminating wiretaps of conversations between Samsung officials on the Internet.

South Korea's top court upheld a lower court's conviction of lawmaker Roh Hoe-chan and a suspended prison sentence. He published transcripts of conversations between an aide to Samsung Electronics Co. chairman Lee Kun-hee and Lee's brother-in-law that were recorded by the national intelligence agency. The conviction disqualifies Roh from being a lawmaker.