The Wards ctOS Centre
Starting south of the Centre, head towards the gate and hack the camera on the corner of the building beyond it.
Look up and left then hack the camera opposite.
Look up and left again then hack the guard leaning on the wall to get the access code.
Now look right and wait for the guard with the hidden camera to walk up to the open area, then explode the junction box.
Quickly hack the guard's hidden camera, then hack the Building Security Router.
Complete the hacking puzzle to reach the Access Point, then unlock it.
West The Wards ctOS Tower
Starting east of the Tower, look up and hack the camera attached to it.
Look left and zoom in a little to hack the camera on the next rooftop.
Look down and left, then explode the junction box to destroy the nearby wooden pallets.
This exposes a Switch Console to hack.
Now exit the camera and head west down the alleyway, then cross the road and enter the fenced area opposite.
Go up the steps then climb the ladder to reach a rooftop parking area.
Vault the railings and cross the L-Train track to reach the fenced area on the other side.
Head through the gate and unlock the Tower.
East The Wards ctOS Tower
Starting south of the Tower, head north and climb over the fence to get into the yard.
Use the lift by the building to reach the top of the scaffolding.
Climb up the covered pallets to reach the roof then hack the camera on your left.
Look up and right to hack the next camera, then right to hack the Switch Console.
Now exit the camera, go through the gate and turn right.
Go to the end of the roof, climb onto the unit on your right then hack the Switch Console on the other side.
Head back the way you came, past the gate to the end of the walkway then climb the ladder.
Go through the gate, drop down into the fenced area and unlock the Tower.