I'm starting this thread with a short introduction on how the U.S. describes Electronic Warfare (EW) in its Joint Doctrine to provide context, which will be followed by a post on Russia's view of EW, and then an article from Defense One on how NATO can disrupt Russia's use of EW.

U.S. Joint Doctrine description of Electronic Warfare

Electronic warfare. Military action involving the use of electromagnetic and directed energy to control the electromagnetic spectrum or to attack the enemy. Three categories attack, protection, warfare support.

Electronic Attack: Use of electromagnetic energy, directed energy, or antiradiation weapons to attack personnel, facilities, or equipment with the intent of degrading, neutralizing, or destroying enemy combat capability and is considered a form of fires Electronic.

Electromagnetic Jamming (e.g., self-protection jamming or standoff jamming)
Positioning, Navigation, and Timing Denial
Electromagnetic Deception
Directed Energy
Antiradiation Missile
Expendables (e.g., flares and active decoys)

Electronic Protection: Actions taken to protect personnel, facilities, and equipment from any effects of friendly or enemy use of the electromagnetic spectrum that degrade, neutralize, or destroy friendly combat capability.

Electromagnetic
Spectrum
Management
Electromagnetic
Hardening
Emission Control

Electronic Warfare Support: Actions tasked by, or under direct control of, an operational commander to search for, intercept, identify, and locate or localize sources of intentional and unintentional radiated electromagnetic energy for the purpose of immediate threat recognition, targeting, planning, and conduct of future operations.