Biden has signed an executive order to strengthen U.S. cybersecurity Joe Biden signed an executive order on Wednesday in an attempt to strengthen U.S. cybersecurity defenses after colonial pipeline attacks, including destructive hacking, exposed the weaknesses of businesses and governments. “Recent cybersecurity incidents. . . they remind us that public and private sector entities in the U.S. are increasingly sophisticating the malicious cyber activities of nation-state agents and cybercriminals, ”the White House said. Under the order, federal agencies will need to include multi-factor authentication in their systems and encrypt all data within six months to make it more difficult for hackers to access their IT infrastructure.