When disabled or not configured |
-Users can configure a startup PIN of any length between 4 and 20 digits. |
+Users can configure a startup PIN of any length between 6 and 20 digits. |
**Reference**
-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.
+This policy setting is applied when you turn on BitLocker. The startup PIN must have a minimum length of 6 digits and can have a maximum length of 20 digits.
### Disable new DMA devices when this computer is locked
@@ -527,7 +527,7 @@ This policy setting is used to control what unlock options are available for com
**Reference**
-On a computer with a compatible TPM, two authentication methods can be used at startup to provide added protection for encrypted data. When the computer starts, it can require users to insert a USB drive that contains a startup key. It can also require users to enter a 4-digit to 20-digit startup PIN.
+On a computer with a compatible TPM, two authentication methods can be used at startup to provide added protection for encrypted data. When the computer starts, it can require users to insert a USB drive that contains a startup key. It can also require users to enter a 6-digit to 20-digit startup PIN.
A USB drive that contains a startup key is needed on computers without a compatible TPM. Without a TPM, BitLocker-encrypted data is protected solely by the key material that is on this USB drive.
diff --git a/windows/device-security/change-history-for-device-security.md b/windows/device-security/change-history-for-device-security.md
index 850d3d83c0..20d4edb47f 100644
--- a/windows/device-security/change-history-for-device-security.md
+++ b/windows/device-security/change-history-for-device-security.md
@@ -11,7 +11,12 @@ author: brianlic-msft
# Change history for device security
This topic lists new and updated topics in the [Device security](index.md) documentation.
+## May 2017
+|New or changed topic |Description |
+|---------------------|------------|
+| [BitLocker Group Policy settings](bitlocker/bitlocker-group-policy-settings.md) | Changed startup PIN minimun length from 4 to 6. |
+
## March 2017
|New or changed topic |Description |
|---------------------|------------|
-|[Requirements and deployment planning guidelines for Device Guard](device-guard/requirements-and-deployment-planning-guidelines-for-device-guard.md) |Updated to include additional security qualifications starting with Window 10, version 1703.|
\ No newline at end of file
+|[Requirements and deployment planning guidelines for Device Guard](device-guard/requirements-and-deployment-planning-guidelines-for-device-guard.md) | Updated to include additional security qualifications starting with Windows 10, version 1703.|
\ No newline at end of file
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diff --git a/windows/threat-protection/images/wanna8.png b/windows/threat-protection/images/wanna8.png
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diff --git a/windows/threat-protection/index.md b/windows/threat-protection/index.md
index 77a4201aad..0f6aaa04b1 100644
--- a/windows/threat-protection/index.md
+++ b/windows/threat-protection/index.md
@@ -8,6 +8,15 @@ ms.pagetype: security
author: brianlic-msft
---
+