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

Sen. Mark Warner says he is particularly disturbed about how Instagram's algorithm appears to be promoting vaccine misinfo.

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

Fundamental questions, like how the SolarWinds hackers got into its systems from the start, still aren't answered.

Others echoed Warner’s accusation.

The cybersecurity community and Capitol Hill are watching closely.