A coalition representing major defense associations and government contractors is asking the Defense Department to extend the comment period for a proposed rule to implement the Pentagon's cyber certification program, in a new letter highlighting three public comment periods for cyber rulemakings that closed last week. The Pentagon issued the first proposed rule on Dec. 26 for its Cybersecurity Maturity Model Certification program with a Feb. 26 comment deadline. Industry groups raised concerns to Inside Cybersecurity on various aspects...