Senior cybersecurity officials at the Department of Homeland Security and the Air Force are warning that overly cautious system mangers could undermine protecting data and networks from foreign and other adversaries. "Maybe we just jump, and then figure out what we need to fix," said the Air Force's Lauren Knausenberger, who leads the service's cyberspace innovation effort. She stressed that chief information officers should have the authority to innovate, while noting the Air Force's push "to go completely commercial" in...