Windows Server 2019 must prevent Indexing of encrypted files.

STIG ID: WN19-CC-000410  |  SRG: SRG-OS-000095-GPOS-00049 |  Severity: medium |  CCI: CCI-000381 |  Vulnerability Id: V-205694 | 

Vulnerability Discussion

Indexing of encrypted files may expose sensitive data. This setting prevents encrypted files from being indexed.

Check

If the following registry value does not exist or is not configured as specified, this is a finding:

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \SOFTWARE\Policies\Microsoft\Windows\Windows Search\

Value Name: AllowIndexingEncryptedStoresOrItems

Value Type: REG_DWORD
Value: 0x00000000 (0)

Fix

Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Search >> "Allow indexing of encrypted files" to "Disabled".
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