A technician is configuring security for a computer that is located in a common area.

The best protection against physical threats, especially in a common area where the computer is publicly accessible, involves physically securing the hardware.

Option A: Using screen lockScreen locks are good for securing access temporarily but do not protect against physical tampering or theft.

Option B: Installing a privacy screenPrivacy screens prevent visual access but do not secure the hardware.

Option C: Implementing password complexityPassword complexity helps secure digital access but does not prevent physical threats.

Option D: Locking the computer casePhysically securing the case prevents unauthorized individuals from tampering with internal components or stealing the computer.

Option E: Enabling drive encryptionEncryption protects data but does not prevent physical access to the hardware itself.