Running Wire In Attic
Drill a hole to run security camera wires from your house.
Running wire in attic. You simply mount a small plastic clip to every other joist. The attic wiring should be protected and secured to ceiling joists or other wood structural supports. While one person holds the flashlight the other person should use a staple gun to run the wire along the rafters from one entry hole to the other. Once the hole is cut in the wall insert a drill bit to drill a hole so that you can run wires through it.
Keep the holes centered on the studs. Bring all of the wire up into the attic. After you ve run the wires through the clips you snap a plastic cover over the entire assembly. For the horizontal portion of the cable run this can involve drilling holes in the joists where the cable will pass.
Yes this should be corrected and it would be good to have the wiring and all the circuit connections inspected as well. The bottom of the floor joists you can run the wires through raceways that fasten to the bottom of the joists. Remember to use a right angle drill with a hole saw bits for boring large holes. The clips allow easy access if you need to run.
If the attic is inaccessible you have less a worry about protecting the wires than you would if it were a storage area. Do not drill them through the joists or rafters. If you can run it across by stapling it to the rafters you can avoid the insulation thing. The following links will assist you with your electrical question.
The staple gun should be loaded with wire staples designed for holding the size and type of wire you are running.