The DHS Office of Intelligence and Analysis routinely briefs DNDO on counterintelligence awareness, including insider threat indicators. In addition, DNDO provides security awareness training to its employees and contractors regarding security ‐related topics that could help prevent or detect the insider risk. In September 2013, the DHS Office of the Chief Security Officer began a comprehensive vulnerability assessment of DNDO assets, which includes identifying insider risks and vulnerabilities. The DHS Security Operations Center monitors DNDO information systems and networks to respond to potential insider based incidents. Finally,he DHS Special Security Programs Division handles and investigates security incidents, including those types attributed to malicious insiders.