Information Technology Management Letter for the FY 2016 U.S. Customs and Border Protection Financial Statement Audit [open pdf - 1MB]
From the Highlights: "Each year, our independent auditors identify component-level information technology (IT) control deficiencies as part of the DHS consolidated financial statement audit. This letter provides details that were not included in the fiscal year 2016 DHS Agency Financial Report."
Department of Homeland Security, Office of Inspector General, Report No. OIG-17-55
Department of Homeland Security Office of Inspector General: https://www.oig.dhs.gov/