Russia sanctions announced by White House

Russian President Vladimir Putin meets with his US counterpart Barack Obama on the sidelines of the G20 Leaders Summit in Hangzhou on September 5.

(CNN)President Barack Obama took an unprecedented step Thursday in issuing an executive order against six Russian individuals and five Russian entities in relation to what the Treasury Department said was to address "Significant Malicious Cyber-Enable Activities."

This is the first time the names of Russian officials involved in the hacking have become public on the sanctions list.