Phillip Boedges  
Branch Chief, Sustainment and Splunk Engineering Services (SSES)  
Security Services Division (SSD) Cyber Security Directorate (CSD)  
Office of Information and Technology (OIT)  
U.S. Customs and Border Protection (CBP)  
571.468.8499 (desk)  
202.360.1708 (iPhone)
 
**Patrick A. Calloway**  
Branch Chief  
Security Engineering  
Cybersecurity Engineering (CSE)  
Cyber Security Directorate (CSD)  
Office of Information and Technology (OIT)  
U.S. Customs and Border Protection (CBP)  
Mobile: 202-480-1275  
[Patrick.a.calloway@cbp.dhs.gov](mailto:Patrick.a.calloway@cbp.dhs.gov)
 
Adam S Underwood  
Cyber Security Engineer, Leidos  
Sustaintment and Splunk Engineering Services (SSES)  
Security Services Division (SSD)  
Cyber Security Directorate (CSD)  
Office of Information and Technology (OIT)  
U.S. Customs and Border Protection (CBP)  
Desk: (571) 468-8300 Cellular: (201) 551-0021
 
Robert S. Amos  
Sr. Cyber Security Engineer, XOR Security  
Security Sustainment and Engineering Services (SSES)  
Security Operations Division (SOD)  
Cybersecurity Directorate (CSD)  
Office of Information and Technology (OIT)  
Enterprise Services (ES)  
U.S. Customs and Border Protection (CBP)  
Desk: (571) 468-8371