News bites: FISA court judge says oversight tools are limited

The chief judge on the Foreign Intelligence Surveillance Court said it lacks the tools to verify how often the government improperly spies on Americans, The Washington Post reports. 

China's Ministry of Public Security plans to investigate IBM, Oracle and EMC over security concerns in the wake of the revelations about the National Security Agency's sweeping surveillance programs, Reuters says.

Viacom has tentatively agreed to let its popular cable channels, such as MTV and Nickelodeon, be carried on Sony's forthcoming Internet TV service, according to The New York Times.

Former government contractor Edward Snowden started downloading documents about the U.S. government's surveillance programs while he was working for Dell, Reuters reports.

IBM won a cloud computing contract with the Department of Interior with a maximum value of $1 billion, Bloomberg writes.