Anomaly Class 1 (easiest) to Class 10 (hardest).
Class 1 = Hideaway or Drone Cluster (easiest)
Class 2 = Burrow or Drone Collection
Class 3 = Refuge or Drone Gathering
Class 4 = Den or Drone Assembly
Class 5 = Yard or Drone Surveillance
Class 6 = Rally Point or Drone Menagerie
Class 7 = Port or Drone Herd
Class 8 = Hub or Drone Squad
Class 9 = Haven or Drone Patrol
Class 10 = Sanctum or Drone Horde (hardest)

Minmatar - Ladar
Caldary - Gravimetric
Gallente - Magnetometric
Amarr - Radar

Amarr Navy - EM / Thermal
Angel Cartel - Kinetic / Explosive / Thermal (weak against explosive)
Blood Raider - Thermal / EM (weak against EM)
Guristas - Kinetic / Thermal (weak against kinetic)
Mercenary - Thermal
Minmatar Fleet - Thermal / Explosive
Mordus Legion - Thermal / Kinetic
Sansha's Nation - EM / Thermal (weak against EM)
Seven -
Serpentis - Thermal / Kinetic (weak against thermal)
Thukker Tribe - Thermal / Explosive