Mayorkas, who was Deputy Secretary of Homeland Security in the Obama administration before returning to private legal practice during the Trump years, said the US had to do "a much better job" on cyber security. The Department of Homeland Defense's Cybersecurity and Infrastructure Security Agency (CISA) would need to shoulder a lot of that work, Mayorkas added. He would explore two programs to see if they could stop future cyber attacks: the Einstein network security program, and the Continuous Diagnostic and Mitigation program. Haines, former Deputy Director of the CIA under Obama, also called for strong action to shore up cybersecurity defenses in the US.