Star Assassin by D.R. Rosier

Lori Adams is an assassin who kills enemies of the state. She’s rather unique, and doesn’t have a choice. She’s different, enhanced, and modified. Highly intelligent, faster reflexes, enhanced proprioception, and enhanced spatial awareness, all together make her deadly, and a force to be reckoned with. She’s also virtually a slave, and running would just end in her death.
She was working on a way to escape, it wasn’t as simple as just avoiding her handlers. Except, everything changes when she’s taken. Abducted by aliens, and enslaved. Those poor bastards have no idea what they’re in for…