It is very possible. However, Farl suggests that you just wreck the damn thing so that it is useless. He can buy a new system later when his assassins are dead; he has the money for it.
Unfortunately, the security office is a terrible place for a shoot-out to go down. Stationary turrets is one thing, but if your last encounter with the Assassin was any indication, your assailants are likely to be very mobile shooters. Mobility is limited in here for them, but so would it be for you, giving them excellent firing lines.
You need somewhere that you can really ambush them from, somewhere that you won't be forced into a corner.