Receives Full Three-year Impact Level 5 PA and Celebrates 10 Years of FedRAMP Authorization for Appian Cloud MCLEAN, Va., April 10, 2025 /PRNewswire/ -- Appian (NASDAQ:APPN) today announced that Appian Government Cloud (AGC) has obtained Federal Risk and Authorization Management Program (FedRAMP®) High authorization, which will enable it to host highly sensitive government civilian data for Appian's federal civilian customers where a security breach could result in loss of life or financial ruin. Appian has also renewed its Impact Level 5 (IL5) Provisional Authority to Operate (PA) from the Defense Information Systems Agency (DISA) for AGC for a three-year period. With IL5 compliance, AGC is authorized to host Controlled Unclassified Information (CUI), mission-critical information.