FM 3-12 — Cyberspace And Electromagnetic Warfare Operations
FM 3-12 governs Army doctrine for cyberspace operations, electromagnetic warfare, and cyberspace electromagnetic activities.
- Publication number: FM 3-12
- Title: CYBERSPACE AND ELECTROMAGNETIC WARFARE OPERATIONS
- Date: 09/17/2025
- Proponent: T2COM
- Status: ACTIVE
View FM 3-12 on armypubs.army.mil
It covers threats and hazards, systems analysis, cyberspace operations, electromagnetic warfare, and combined arms operations across the competition continuum. It requires planning, integration, and synchronization of cyberspace and electromagnetic warfare operations, and includes guidance on cyber incident response, network hardening, message formats, and Army reprogramming.
Topics covered
- Cyberspace operations
- Electromagnetic warfare
- Cyberspace electromagnetic activities
- Systems analysis
- Cyber incident response
- Network hardening
- Army integrated reprogramming
Questions and answers
Who can pose an insider threat besides military members and government employees?
Third party vendors, contractors, and mission partners could pose a risk as well. (paragraph 1-136)
What does a hunt operation identify?
A hunt operation is analogous to reconnaissance and security tasks in the land domain. (paragraph 5-12)
What does the CEMA section do to synchronize electromagnetic warfare with signals intelligence?
The CEWO and CEMA section exercise technical control over assigned EW forces and coordinate with the G-2 or S-2 to synchronize EW with SIGINT operations. (paragraph 3-63)
What triggers can cause a transition between emission control conditions?
Significant enemy maneuver, lethal fires, or EW activity might trigger an immediate change from EMCON condition 3 (amber) to EMCON condition 5 (black) until the threat level reduces. (paragraph 4-39)
What is required before deploying patches across a network?
Before deploying patches or updates across the network, administrators must conduct rigorous testing in a controlled environment. (paragraph 5-14)