Defense Department acquisition Chief Information Security Officer Katie Arrington says the defense industrial base should come together to create a model for the Pentagon's cyber certification program that buys down risk, instead of creating division and "unnecessary angst" on social media. "People fear the unknown," Arrington said at an event Tuesday hosted by Summit 7 Systems, referring to the interim rule issued last week to change the Defense Department's acquisition rules in order to implement the Cybersecurity Maturity Model Certification...