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Defense Cybersecurity: Protecting Controlled Unclassified Information Systems

DOD computer systems contain vast amounts of sensitive data, including CUI that can be vulnerable to cyber incidents. In 2015, a phishing attack on the Joint Chiefs of Staff unclassified email servers resulted in an 11-day shutdown while cyber experts rebuilt the network. This affected the work of roughly 4,000 military and civilian personnel.

This report describes the status of DOD components’ implementation of selected CUI cybersecurity requirements; and actions taken by DOD CIO to address the security of CUI systems.

  • Author(s):
  • Joe Kirschbaum
  • Jennifer Franks
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Defense Cybersecurity: Protecting Controlled Unclassified Information Systems
Format:
  • White Paper
Topics:
Website:Visit Publisher Website
Publisher:Government Accountability Office (GAO)
Published:May 19, 2022
License:Public Domain

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