Kathleen “Katie” Trimble currently serves as the Section Chief of the Vulnerability Management and Coordination section of the Cyber Threat & Risk Analysis (CTRA) branch of the NCCIC of DHS, where she leads the Department’s primary operations arm for coordination of the responsible disclosure and mitigation of identified cyber vulnerabilities in control systems and enterprise hardware and software used in the 16 critical infrastructure sectors and all levels of U.S. government organizations.

Previous to this position, within the Department, she served as the Senior Communications Infrastructure Sector Analyst in the Office of Cyber and Infrastructure Analysis (OCIA), in this capacity, she operated as the focal point for efforts related to wired and wireless communications between interagency government partners, DHS components, and Private Industry stakeholders in response to National Security Council requirements.