Army MOS · IT & Cyber
25D Cyber Network Defender
Overview
A Cyber Network Defender protects against, monitors for, detects, analyzes, and responds to unauthorized activity in cyberspace. The defender deploys and administers defense infrastructure, analyzes collected data, validates and correlates incidents, plans activities to contain and eradicate incidents, and assesses threats, vulnerabilities, and configuration deviations.
Minimum clearance: TS/SCI
Core Skills
- network defense operations
- security monitoring and analysis
- incident detection and response
- vulnerability assessment and remediation
- security auditing and compliance
- firewall and IDS/IPS administration
- log analysis and correlation
- forensic triage and evidence handling
- risk assessment and reporting
- implementation of security controls
Civilian Software & Tools
- Amazon Web Services AWS software
- Linux
- Microsoft Azure software
- Microsoft PowerShell
- Python
- Ansible software
- Bash
- Microsoft Active Directory
Civilian Career Paths
- Cybersecurity
- Network Engineering
- Systems Administration
- IT Management
Training & Development
Getting Started
- CompTIA Security+ · Funded · Promotion points
- CompTIA Cybersecurity Analyst (CySA+)
- Cisco Certified CyberOps Associate
- Certified Ethical Hacker (CEH) · Funded · Promotion points · STAR
Career Growth
- GIAC Certified Incident Handler (GCIH) · Funded · Promotion points
- GIAC Certified Intrusion Analyst (GCIA) · Funded · Promotion points
- Certified Information Systems Security Professional (CISSP) · Funded · Promotion points · STAR
- Certified Information Security Manager (CISM) · Funded · Promotion points
What the Work Involves
- Develop plans to safeguard computer files against accidental or unauthorized modification, destruction, or disclosure and to meet emergency data processing needs.
- Encrypt data transmissions and erect firewalls to conceal confidential information as it is being transmitted and to keep out tainted digital transfers.
- Perform risk assessments and execute tests of data processing system to ensure functioning of data processing activities and security measures.
- Maintain and administer computer networks and related computing environments, including computer hardware, systems software, applications software, and all configurations.
- Diagnose, troubleshoot, and resolve hardware, software, or other network and system problems, and replace defective components when necessary.
Related Occupations
- Information Security Engineers
- Computer Network Support Specialists
- Database Administrators
- Computer Network Architects
Typical preparation for these civilian roles: a four-year degree or equivalent experience.
Formerly Known As (Legacy)
Retired codes that converted into 25D. Each legacy page documents the cited history.
Descriptions may be summarized for clarity. Verify all information with your branch career counselor or official military documentation before making career decisions.
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