"We've seen in 2008, and this last election system, malicious cyber-activity," Obama's counterterrorism and homeland security adviser, Lisa Monaco, told reporters.
Facebook has shown significant progress in thwarting interference in elections in Germany and France, deleting malicious accounts and working closely with election commissions.
Earnest said the intelligence community did not detect any increase in malicious Russian cyber-activity on election day that interfered with the ability of people to cast ballots and have them counted accurately.
Washington slapped sanctions on nineteen prominent Russian individuals and five entities — including Russian intelligence services — for meddling in the 2016 Presidential election and for "malicious cyberattacks" that targeted a stunning array of America's infrastructure, from the U.S. energy grid and nuclear plants to aviation, water systems, and manufacturing.
Facebook's defense has been to say it was naive in the face of malicious activity like Russian-backed election meddling.
It coincided with a decision Thursday by the U.S. Treasury Department to impose sanctions on 19Russian people and five groups, including Moscow's intelligence services, for meddling in the 2016 U.S. presidential election and other malicious cyber attacks.
Today, Facebook outlined all its efforts to prevent malicious actors from meddling in the election.
The official said the administration had conducted regular legislative briefings in the past months "regarding malicious cyber-activity related to our elections infrastructure" and was "committed to working with Congress to brief members and staff as appropriate".
The Conservatives won their malicious campaign against Labour in the general election, ruthlessly demonising Ed Miliband and fanning anti-Scottish resentment.
Anwar, 60, who led a resurgent opposition to unprecedented success in March's general election, says the charges are "malicious" and fabricated to derail his political comeback.
