HomeControl Library › 3.1.21
3.1 Access Control1 ptPOA&M-eligible

3.1.21 — Limit portable storage on external systems

Limit use of portable storage devices on external systems.

Restrict the use of USB drives and portable media on systems you don't control.

What it actually means

Limit the use of portable storage devices on external systems — for example, restrict employees from using company USB drives on personal or third-party computers where you can't control the security. Set the policy and enforce it where technically feasible.

Pass or fail — an assessor needs a "yes" to each

What to have ready

Where teams trip up

See where this control puts your score

Run all 110 requirements free in about 10 minutes.

Calculate your SPRS score →

Connected requirements

← Back to the Control Library