STIGQter STIGQter: STIG Summary: Microsoft Office 365 ProPlus Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 23 Apr 2021:

Office applications must be configured to specify encryption type in password-protected Office 97-2003 files.

DISA Rule

SV-223291r508019_rule

Vulnerability Number

V-223291

Group Title

SRG-APP-000231

Rule Version

O365-CO-000008

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Set the policy value for User Configuration >> Administrative Templates >> Microsoft Office 2016 >> Security Settings >> Encryption type for password protected Office 97-2003 files to Microsoft Enhanced RSA and AES Cryptographic Provider,AES 256,256.

Check Contents

Verify the policy value for User Configuration >> Administrative Templates >> Microsoft Office 2016 >> Security Settings >> Encryption type for password protected Office 97-2003 files is set to Microsoft Enhanced RSA and AES Cryptographic Provider,AES 256,256.

Use the Windows Registry Editor to navigate to the following key:

HKCU\software\policies\microsoft\office\16.0\common\security

If the value defaultencryption12 is set to REG_SZ = "Microsoft Enhanced RSA and AES Cryptographic Provider,AES 256,256", this is not a finding.

Vulnerability Number

V-223291

Documentable

False

Rule Version

O365-CO-000008

Severity Override Guidance

Verify the policy value for User Configuration >> Administrative Templates >> Microsoft Office 2016 >> Security Settings >> Encryption type for password protected Office 97-2003 files is set to Microsoft Enhanced RSA and AES Cryptographic Provider,AES 256,256.

Use the Windows Registry Editor to navigate to the following key:

HKCU\software\policies\microsoft\office\16.0\common\security

If the value defaultencryption12 is set to REG_SZ = "Microsoft Enhanced RSA and AES Cryptographic Provider,AES 256,256", this is not a finding.

Check Content Reference

M

Target Key

4099

Comments