Unit 121 News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Are any names of active members out there? are they all north koreans? do they outsource or hire chinese or hire europeans? hire middle easterners hire americans for all, for the possibility of getting the best hackers out there? >> yeah unit 121 has outsourced a lot of their work. the hack on sony which is generally considered to be a unit 121 venture. essentially worked lizard squad, guardians of peace and maybe even disgruntled sony employees. primarily its staff is north korea. there's about 1,800 of them. and most of unit 121's people are actually in shenyang. clearly the chinese are very...

>> reporter: u.s. officials are looking to place the blame on north korea, pulling the plug on its comedy "the interview," depicting the assassination of kim jong un. >> take him out. >> law enforcement sources say the blueprint of the current attack mimicked a hack against media organizations last year. according to a north korean defector, the north koreans have a vast secretive network of hackers around the world called bureau 121. >> unit 121 is a highly sophisticated organization under the military branch of the people's republic of north korea. and what this group is designed to do is to...

From the white house, that the u.s. is considering its options. >> given they destructive efforts or effects of this attack we're treating this as a national security matter and as such, members of the president's national security team have been having -- have been in regular meetings regarding this attack. >> the intelligence source confirms that u.s. security firms were first modified monday by the u.s. government they plan to publicly blame north korea. but this is completely inconsistent with past practice with the u.s. government has chosen to work behind the scenes. >> catherine herridg...