; (B) such information will be used by public safety answering points and covered public safety entities exclusively for the purpose of responding to public safety concerns during times of emergency, and that public safety answering points and covered public safety entities will be required to notify the Commission and affected providers of advanced communications service as soon as reasonably practicable in the event of any breach or other unauthorized use; and (C) the public continues to have access to the information published by the Commission on its websites in times of emergency in a manner that is at least as accessible to the public as before the date of the enactment of this section. (c) Coordinated response master directory (1) In general Not later than 1 year after the date of the enactment of this section, the Commission, in consultation with the Secretary of Energy, shall, after public notice and an opportunity for comment, establish a master point-of-contact directory to provide for effective communication between providers of advanced communications service, tower owner or operators, and public safety answering points, covered public safety entities, and utilities. (2) Access and security In establishing the directory under paragraph (1), the Commission shall ensure that— (A) the directory established under paragraph (1) is secured against access by any person not authorized to access such directory information and that persons authorized to access such information are trained in reasonable security measures to protect such information; (B) such information is updated by the Commission no less frequently than quarterly