The U.S. government is gearing up for an unprecedented effort to protect Tuesday’s presidential election from cyber attack, U.S. officials told NBC News. “There are a lot of eyes on this presidential election — more than there normally would be,” a senior Obama administration official said.

Cyber centers at the Department of Homeland Security, the Justice Department and the FBI — as well as the Pentagon, the CIA and other intelligence agencies — will be on alert, with extra staff hunting for any possible threat, officials say.

The concern is so high, intelligence officials told NBC, that for the first time, hundreds of military and intelligence cyber experts who work out of top secret facilities, including underground bunkers, will be monitoring intelligence about a U.S. presidential election. They will react to any threat to the federal government’s communication and command systems. READ MORE