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Allow USB read, block write

Intune Device Control or GPO can force USB read-only. Prevents data exfiltration without banning USB outright.

Try this first

  1. 1Intune > Endpoint security > Attack surface reduction > Device control
  2. 2Removable storage policy: write deny, read allow
  3. 3Approved USB IDs on allow list for specific teams
  4. 4Audit log to Defender for deviations

When to bring us in

Workflows that need write, exception case by case.

See also

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