noid-privacy/Modules/SecurityBaseline/Config/BitLockerPolicies.json

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{
"Description": "BitLocker removable drive encryption policies",
"Documentation": "https://learn.microsoft.com/en-us/windows/security/information-protection/bitlocker/",
"RemovableDriveProtection": {
"RDVDenyWriteAccess": {
"Description": "Deny write access to removable drives not protected by BitLocker",
"Behavior": {
"When_Enabled_1": "USB drives are READ-ONLY until encrypted. Shows prompt: 'Encrypt this drive with BitLocker?'",
"When_Disabled_0": "USB drives work normally (no prompt, no encryption requirement)"
},
"DefaultValue": 0,
"RecommendedFor": {
"HomeUsers": 0,
"Enterprise": 1,
"HighSecurity": 1
},
"SecurityImpact": {
"DataExfiltrationRisk": "HIGH if disabled - USB drives can be used without encryption",
"MalwareRisk": "MEDIUM - ASR and Defender still scan USB drives",
"Usability": "HIGH impact - users expect normal USB behavior"
},
"AlternativeSecurity": [
"ASR Rules block executable content from USB",
"Defender Antivirus scans removable drives (DisableRemovableDriveScanning=0)",
"Users can still manually encrypt with BitLocker (right-click → Turn on BitLocker)"
]
}
},
"ApplyBehavior": {
"Interactive": true,
"PromptUser": true,
"PromptMessage": "BitLocker USB Protection:\n\nDo you want to require BitLocker encryption for USB drives?\n\nYES: USB drives will be READ-ONLY until encrypted (shows encryption prompt)\nNO: USB drives work normally (manual encryption available)\n\nRecommended for HOME USERS: NO\nRecommended for ENTERPRISE: YES"
}
}