Performs the duties associated with the five Computer Network Defense (CND) specialties (i.e., Infrastructure Support (IS), Analyst (AN), Incident Responder (IR), Auditor (AU) and Manager (MGR)), Information Assurance Technical (IAT) Levels I-III functions, Information Assurance Management (IAM) Levels II-III functions, as required by skill level IAW AR 25-2 and DOD 8570.01-M. CND protects against, monitors for, performs analysis of, responds to and detects unauthorized activity in the cyberspace domain, which includes deployment and administration of the CND infrastructure; performs deliberate actions to modify information systems or network configurations in response to CND alert or threat information; collects data gathered from a variety of CND tools to analyze events and warn of attacks that occur within the environment; plans response activities to contain and eradicate cyber incidents within the network environment or enclave; responds by validating incidents, performs incident correlation and trending, conducts network damage assessments, and develops response actions; performs assessments of threats and vulnerabilities within the network environment or enclave and identifies deviations from acceptable configurations, enclave policy, or local policy. For more information on 25D - Cyber Network Defender MOS, see this Army website.