The Transportation Security Administration (“TSA”) announced on July 21, 2022 that it is transitioning to a less prescriptive and more result-based approach in its revised emergency cybersecurity directive for critical gas and liquid pipeline companies.  The Security Directive Pipeline-2021-02C (“SD02C”), effective July 27, 2022, represents a significant departure from the highly prescriptive requirements set forth in its predecessor directives (SD 2021-02A and SD 2021-02B) issued by the TSA last year.