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CCE
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CCE-42437-4

Platform: win10Date: (C)2016-09-23   (M)2017-10-18



Specify the 'Configure minimum PIN length for startup' (MinimumPIN Length Min:4 Max:20) This policy setting allows you to configure a minimum length for a Trusted Platform Module (TPM) startup PIN. This policy setting is applied when you turn on BitLocker. The startup PIN must have a minimum length of 4 digits and can have a maximum length of 20 digits. If you enable this policy setting, you can require a minimum number of digits to be used when setting the startup PIN. If you disable or do not configure this policy setting, users can configure a startup PIN of any length between 4 and 20 digits. Counter Measure: Increasing the PIN length increases the entropy and as such increases the number of tries required for an attacker to guess the correct PIN when attempting to brute force the system. The recommended minimum PIN length is 7 digits. Of course, an even longer PIN will provide additional protection. Potential Impact: None


Parameter:


Technical Mechanism: (1) GPO: Computer Configuration\Administrative Templates\Windows Components\BitLocker Drive Encryption\Operating System Drives\Configure minimum PIN length for startup (2) REG: HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\FVE\MinimumPIN

References:

Resource IdReference
SCAP Repo OVAL Definitionoval:org.secpod.oval:def:35100


OVAL    1
oval:org.secpod.oval:def:35100
XCCDF    4
xccdf_org.secpod_benchmark_NIST_800_53_r4_Windows_10
xccdf_org.secpod_benchmark_PCI_3_2_Windows_10
xccdf_org.secpod_benchmark_NIST_800_171_R1_Windows_10
xccdf_org.secpod_benchmark_general_Windows_10
...

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