Lighting!!

Hacker lighting:

• blacked out room
• curtains closed
• only the light from the computer lighting the room and the hacker.

Government lighting:

• well lit
• lamps on [possible behind as well]
• light/airy

Vehicle lighting:

• as no filming will take place in the vehicle itself, there is no need to try and light it.

Supposed hacker's hideout:

• lighting will change throughout the hideout sequence