Bring all of the wire up into the attic.
Running wire in attic.
Running wires inside rigid metal conduit rmc is a little more expensive than burying underground feeder cable uf but it saves labor.
Yes this should be corrected and it would be good to have the wiring and all the circuit connections inspected as well.
Do not drill them through the joists or rafters.
For the horizontal portion of the cable run this can involve drilling holes in the joists where the cable will pass.
The clips allow easy access if you need to run.
The attic wiring should be protected and secured to ceiling joists or other wood structural supports.
Remember to use a right angle drill with a hole saw bits for boring large holes.
Once the hole is cut in the wall insert a drill bit to drill a hole so that you can run wires through it.
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.
Keep the holes centered on the studs.
This is because the top edge of rmc has to be only six inches below the surface of the ground while uf must be buried 12 inches deep deeper in some situations.
Drill a hole to run security camera wires from your house.
The following links will assist you with your electrical question.
If you can run it across by stapling it to the rafters you can avoid the insulation thing.
You simply mount a small plastic clip to every other joist.
The bottom of the floor joists you can run the wires through raceways that fasten to the bottom of the joists.
When adding or replacing wiring in finished walls most electricians will attempt to make the horizontal portion of the cable run in the unfinished attic or basement crawlspace areas looping the cable down or up through the wall cavity across the floor or ceiling joists then vertically through another stud cavity to the next wall box opening.