With the new title update, this achievement and some others are easier to obtain. You might get this achievement naturally playing through the story, but if you don't, you can easily earn the achievement with this guide. You need the slice ability for BD-1 and the force pull upgrade for this to work.
Go to any meditation point in the game, then go to
Meditation Training >
Battle Grid. When the game loads, you need to select an arena (any one is okay, wont make the achievement any more difficult), then put the
Probe Droid and the
Stormtrooper into the Battle Grid, then start the training. Once it begins, force pull the Probe Droid towards you with
, then press
on the D-pad so BD-1 can hack into it. Once BD-1 has hacked into the droid, distract the Stormtrooper so he does not destroy the droid before it can kill him.
Here is a short clip of me doing what I explained in my text guide so you can use this as help if you're confused with the explanation: