TSA Imposes New Cybersecurity Requirements for Rail and Air Sectors

On December 2, 2021, the Transportation Security Administration (“TSA”) announced the issuance of Security Directive 1580-21-01, Enhancing Rail Cybersecurity, and Security Directive 1582-21-01, Enhancing Public Transportation and Passenger Railroad Cybersecurity (the “December Security Directives”), and “additional guidance for voluntary measures to strengthen cybersecurity across the transportation sector in response to the ongoing cybersecurity threat to surface transportation systems and associated infrastructure.”  TSA’s announcement clarifies that these actions are “among several steps DHS is taking to increase the cybersecurity of U.S.