Sen. Mark Warner, D-Va., chairman of the Senate Intelligence Committee, is asking the FBI and the Environmental Protection Agency (EPA) to provide more information on the recent attempt by cyber criminals to poison the water supply at an Oldsmar, Fla. water treatment facility.

What’s the biggest lesson to be learned from the recent thwarting of an attempt by cyber criminals to poison the water supply in Oldsmar, Fla.?

The Department of Homeland Security (DHS) today released a series of exchanges from December 2016 to February 2017 between the department and members of Congress revealing Sen. Brian Kemp’s, R-Ga., accusation that DHS conducted unauthorized scans of Georgia’s Secretary of State networks and DHS’s denial of the accusation.