---
id: os_files_usb_drive_access_disable
title: Ensure Allow USB Drive Access in Files App is Set to Disabled
discussion: |
  USB drive access in Files app _MUST_ be disabled.
references:
  nist:
    cce:
      ios_27:
        - CCE-XXXXX-X
      ios_26:
        - CCE-95630-0
      ios_18:
        - CCE-94439-7
      ios_17:
        - CCE-93424-0
    800-53r5:
      - AC-20(2)
  disa:
    cci:
      - CCI-000366
      - CCI-000097
      - CCI-000370
    disa_stig:
      ios_26:
        - AIOS-26-013300
      ios_18:
        - AIOS-18-013300
      ios_17:
        - AIOS-17-013300
    sfr:
      - 'FMT_SMF_EXT.1.1 #47'
    cmmc:
      - AC.L2-3.1.21
  bsi:
    indigo:
      ios_26:
        - ANNEX K
      ios_18:
        - ANNEX K
      ios_17:
        - ANNEX K
  cis:
    benchmark:
      ios_26:
        - 3.2.1.8 (level 2 - Institutionally-Owned Devices)
      ios_18:
        - 3.2.1.8 (level 2 - Institutionally-Owned Devices)
      ios_17:
        - 3.2.1.8 (level 2 - Institutionally-Owned Devices)
    controls_v8:
      - 1.2
platforms:
  iOS:
    '27.0': {}
    '26.0':
      supervised: true
      benchmarks:
        - name: cis_lvl2_enterprise
        - name: ios_stig
          severity: medium
        - name: indigo_base
          severity: medium
        - name: indigo_high
          severity: medium
    '18.0':
      supervised: true
      benchmarks:
        - name: cis_lvl2_enterprise
        - name: ios_stig
          severity: medium
        - name: indigo_high
          severity: medium
    '17.0':
      supervised: true
      benchmarks:
        - name: cis_lvl2_enterprise
        - name: ios_stig
          severity: medium
        - name: indigo_high
          severity: medium
    introduced: '13.0'
tags:
  - 800-53r5_moderate
  - 800-53r5_high
  - cisv8
  - cmmc_lvl2
  - cmmc_lvl3
  - cnssi-1253_moderate
  - cnssi-1253_low
  - cnssi-1253_high
mobileconfig_info:
  - PayloadType: com.apple.applicationaccess
    PayloadContent:
      - allowFilesUSBDriveAccess: false
