Trading with enemys of the Cabal, is illegal or purchasing equipment of any sort.
Groups and factions on Cabal Ban
Black Sun Syndicate Banquo Knox, Cait Catra, Jevon Lambright, Lex or Alexander Von duche what ever.
Dark Star Hellions and there leaders
Invisible Economy, another form of the DSH, and some people run it/ Dissolved know Good one down many too go.
Zann Consortium
Zann Interstellar C0.
Auroro Tech
Centerioun Arms
Akheton Vehicle Corporation
All Imperial affiltiates an there allies as well.
Mando'ade so many Sun members there they should just merge it
Don't know which is worse them or the fake Mandalore Tyr a Imperial puppet
These are all evil or have connection with the BS Syndicate
These are just a few, if you dont know for sure, check too see who is in the faction and such.