Sen. Mark Warner said "new threats and new technology mean that we have to make substantial adjustments to our counterintelligence posture."

The Justice Department said it believes the antitrust legislation will address the threat posed by the "rise of dominant platforms."

The legislation eventually garnered widespread support on its way to becoming law, but much remains unresolved.

Some believe Russia has already crossed the line on rules and norms governing behavior in cyberspace.

The unnamed program operates “entirely outside the statutory framework that Congress and the public believe govern this collection," according to Sens. Ron Wyden and Martin Heinrich, who…

It's part of an ongoing dance in the legislative and executive branches between demanding and requesting private sector action.

Industry groups favor a House bill over a stricter Senate proposal.

The law would apply to federal contractors, critical infrastructure owners and cyber incident response firms.

Lawmakers aren't satisfied that public-private partnerships will seal up visibility gaps on hacking.

The supply chain review is a matter of economic and national security, the president said.