The new measures include sanctions on two Russian intelligence agencies, three companies that are believed to have provided support for government cyber operations, and four Russian cyber officials. The administration will also shut down Russian-owned facilities in Maryland and New York that Obama said where used for intelligence activities and would declare 35 Russian operatives “persona non grata,” meaning they would be required to leave the United States.

https://www.washingtonpost.com/world/national-security/obama-administration-announces-measures-to-punish-russia-for-2016-election-interference/2016/12/29/311db9d6-cdde-11e6-a87f-b917067331bb_story.html?hpid=hp_hp-top-table-main_usrussiasanctions-230pm%3Ahomepage%2Fstory&utm_term=.b32c9f3e37dd