Operational: Sources of variation in transportation security sector(TSS) operators’ implementation of cyber security technology and processes? What are enablers and barriers to implementation, and what gaps/unmet needs could TSA address?

 The U.S. transportation system’s cyber environment and infrastructure are vulnerable to a wide range of continuously evolving risks stemming from both cyber and physical threats and hazards. DHS assesses and provides security and mitigation guidance through several outreach and information s&he