Russia and China are working to interfere in the 2020 presidential election in the U.S., according to Trump’s former national security adviser John Bolton.

Bolton's book paints a president preoccupied and angered by cybersecurity-related issues.

Other intelligence officials also have said the book contains revelations that would harm U.S. espionage efforts.

“I never thought I would have to work on such a basic issue as this," the Texas Republican says about the federal security clearance process, which is…

The House voted in favor of ordering the Trump administration to release the classified memorandum that made it easier for the Pentagon to run offense cyber-operations against…

It's the first time a White House official has publicly acknowledged that defense authorizations approved last year go beyond election security measures.

The national security adviser said it was “too soon to tell” whether the offensive was affecting adversary behavior.

Suzanne Spaulding says the U.S. government should carefully consider the potential private-sector repercussions of conducting offensive cyber operations.

The White House on Thursday announced a new governmentwide cybersecurity strategy in an effort to raise federal network defenses but also go on the offensive more when…

The ODNI would make initial assessments, and then DOJ and DHS would get involved. Some penalties would kick in right away if investigations uncover meddling.