Jellyfish have dozens of tentacles with long reach that have barbs and stingers.

Who else has hundreds of tentacles that has long reach and have barbs and stingers? White Hats and their cyber allies.

Nuclear Power Plants may be those places with potential for creating explosive situations or places of opposition power.

Cooling pipes are the means of control over nuclear power plants to keep them from overheating and melting down. The plants can't run without the ability to regulate their temperature.

Comms may mean White Hats and their cyber allies are affecting the ability of opposition power centers to maintain control. Gumming up the works.