Cyborg Agents are Made of Iron, which can result in sheer awesome. Watch as they drive a car, only for the car to explode in a fireball incinerating nearby civilians, and the augmented agents walk out of the flaming wreckage with guns blazing as they attack the enemy.
The mere fact that Agent Kilo is, according to in-game documentation, not the best agent, or even necessarily a very good agent, but instead considered just good enough that he can be used to test the DART 6 implant. If he manages to use it effectively, then they'll get valuable training data for using the implant on better agents, and their barely-effective agent in Kilo will be just a little bit better. If he dies, well, he was expendable. Throughout the game, Kilo goes on to show that he's a brutally effective agent instead, besting everyone he comes up against and succeeding despite seemingly impossible odds.
The fight against Cayman Global AgentRamon. With your weapons disarmed, and he is fitted with a homing grenade launcher, you hack his grenades and turn it against him.
The fight against TWB leader KrisDelaney counts as well, being a normal man, and unlike you and the previous bosses, he had no chip implants.
The first boss fight against an Eurocorp agent, Agent Crane.