73% of EVE characters stay in high security space. 62% of EVE subscribers barely PvP. 40% of all new accounts just "level up their Ravens". Probably that's why PvE content in EVE Online is sub-par and CCP is head over heels for PvP...

NPC Faction Weakness Damage Dealt (You Tank These) Electronic Warfare

Angel Cartel Ex/K Ex(62%)/K(22%) Target Painters
Blood Raiders EM/Th EM(50%)/Th(48%) Energy Neutralizers, Tracking Disruptors
Guristas Pirates K/Th K(79%)/Th(18%) ECM
Mordu's Legion K/EM K(70%)/Th(30%)
Rogue Drones EM/Th (varies)
Sansha's Nation EM/Th EM(53%)/Th(47%) Tracking Disruptors
Serpentis K/Th Th(55%)/K(45%) Sensor Dampeners
CONCORD K/Th (Omni)
Eq. of Mankind K K(74%)/Th(26%)
Khanid Kingdom EM/Th Th/EM
Mercenaries K/Th K/Th
Sleepers (Omni) (Omni) Energy Neutralizers
Sansha's (Omni) (Omni) (all)
Triglavian(abyss) Ex/Th Th(60%)/Ex(40%) (all except ECM)
Triglavian(invasion)Ex/Th (Omni) (all except ECM)
Amarr Empire EM/Th EM(47%)/Th(42%) Energy Neutralizers, Tracking Disruptors
Caldari State K/Th K/Th(48%) ECM
Gallente Fede K/Th K(60%)/Th(39%) Sensor Dampeners
Minmatar Ex/K Ex(50%)/K(31%) Target Painters
Amarr(EDENC) Th/EM EM(58%)/Th(42%) Energy Neutralizers, Tracking Disruptors
Caldari(EDENC EM/Ex EM(51%)/Ex(44%) ECM
Gallente(EDENC) EM/Ex K(58%)/Th(42%) Sensor Dampeners
Minmatar(EDENC) K/Ex (Omni) Target Painters