EghtesadOnline: There's a blame game brewing over who's responsible for the massive cyberattack that infected hundreds of thousands of computers. Microsoft Corp. is pointing its finger at the U.S. government, while some experts say the software giant is accountable too.

EghtesadOnline: Microsoft Corp said on Tuesday that a hacking group previously linked to the Russian government and U.S. political hacks was behind recent cyber attacks that exploited a newly discovered Windows security flaw.