Did a little past episode snooping last night, and lo and behold, Ilana’s henchman, Bram (thanks IMDB) tried to persuade Miles to switch sides after he was recruited by Naomi.  Who are the SotS people?  They’re not Widmore’s people, they’re not Ben’s people…

Ilana and Bram confront Frank Lapidus

Bram confronts Miles in the back of the van