ASD's Blueprint for Secure Cloud

Security Baseline for Windows 10 and later

This section describes the configuration of security baselines within Microsoft Intune associated with systems built according to the guidance provided by ASD's Blueprint for Secure Cloud.

Estimated reading time: 13 minutes

Instruction

The below tables outline the as built configuration for ASD’s Blueprint for Secure Cloud (the Blueprint) for the Microsoft Intune portal at the following URL:

https://intune.microsoft.com/#view/Microsoft_Intune_Workflows/SecurityManagementMenu/~/securityBaselines

The settings described on these pages provide a baseline implementation for a system configured using the Blueprint. Any implementation implied by these pages should not be considered as prescriptive as to how an organisation must scope, build, document, or assess a system.

Implementation of the guidance provided by the Blueprint will differ depending on an organisation’s operating context and organisational culture. Organisations should implement the Blueprint in alignment with their existing change management, business processes and frameworks.

Placeholders such as <ORGANISATION.GOV.AU>, <BLUEPRINT.GOV.AU> and <TENANT-NAME> should be replaced with the relevant details as required.

Microsoft Windows Security Baseline

Basics

Item	Value
Name	Microsoft Windows Security Baseline
Description
Platform	Windows 10 and later

Assignments

Item	Value
Included groups	grp-windows10-users
Excluded groups

Configuration settings

Above Lock

Item	Value
Voice activate apps from locked screen	Disabled
Block display of toast notification	Yes

App Runtime

Item	Value
Microsoft accounts optional for Windows Store apps	Enabled

Application management

Item	Value
Block app installations with elevated privileges	Yes
Block user control over installations	Yes
Block game DVR (desktop only)	Yes

Audit

Item	Value
Account Logon Audit Credential Validation (Device)	Success and Failure
Account Logon Audit Kerberos Authentication Service (Device)	None
Account Logon Logoff Audit Account Lockout (Device)	Failure
Account Logon Logoff Audit Group Membership (Device)	Success
Account Logon Logoff Audit Logon (Device)	Success and Failure
Audit Other Logon Logoff Events (Device)	Success and Failure
Audit Special Logon (Device)	None
Audit Security Group Management (Device)	None
Audit User Account Management (Device)	Success and Failure
Detailed Tracking Audit PNP Activity (Device)	Success
Detailed Tracking Audit Process Creation (Device)	Success
Object Access Audit Detailed File Share (Device)	Failure
Audit File Share Access (Device)	Success and Failure
Object Access Audit Other Object Access Events (Device)	Success and Failure
Object Access Audit Removable Storage (Device)	Success and Failure
Audit Authentication Policy Change (Device)	Success
Policy Change Audit MPSSVC Rule Level Policy Change (Device)	Success and Failure
Policy Change Audit Other Policy Change Events (Device)	None
Audit Changes to Audit Policy (Device)	None
Privilege Use Audit Sensitive Privilege Use (Device)	Success and Failure
System Audit Other System Events (Device)	Success and Failure
System Audit Security State Change (Device)	Success
Audit Security System Extension (Device)	Success
System Audit System Integrity (Device)	Success and Failure

Auto Play

Item	Value
Auto play default auto run behavior	Not configured
Auto play mode	Not configured
Block auto play for non-volume devices	Not configured

BitLocker

Item	Value
BitLocker removable drive policy	Configure
- Block write access to removable data-drives not protected by BitLocker	Yes

Browser

Item	Value
Block Password Manager	Not configured
Require SmartScreen for Microsoft Edge Legacy	Yes
Block malicious site access	Yes
Block unverified file download	Yes
Prevent user from overriding certificate errors	Yes

Connectivity

Item	Value
Configure secure access to UNC paths	Not configured
Block downloading of print drivers over HTTP	Enabled
Block Internet download for web publishing and online ordering wizards	Enabled

Credentials Delegation

Item	Value
Remote host delegation of non-exportable credentials	Not configured

Credentials UI

Item	Value
Enumerate administrators	Not configured

Data Protection

Item	Value
Block direct memory access	Enabled

Device Guard

Item	Value
Virtualization based security	Not configured
Enable virtualization based security	Not configured
Launch system guard	Enabled
Turn on Credential Guard	Enable with UEFI lock

Device Installation

Item	Value
Block hardware device installation by setup classes	Yes
- Remove matching hardware devices	Yes
Block list	{d48179be-ec20-11d1-b6b8-00c04fa372a7}

Device Lock

Item	Value
Require password	Yes
- Required password	Alphanumeric
- Password expiration (days)	60
- Password minimum character set count	3
- Prevent reuse of previous passwords	24
- Minimum password length	8
- Number of sign-in failures before wiping device	10
- Block simple passwords	Yes
Password minimum age in days	1
Prevent use of camera	Not configured
Prevent slide show	Not configured

DMA Guard

Item	Value
Enumeration of external devices incompatible with Kernel DMA Protection	Block all

Event Log Service

Item	Value
Application log maximum file size in KB
System log maximum file size in KB
Security log maximum file size in KB

Experience

Item	Value
Block Windows Spotlight	Not configured
- Block third-party suggestions in Windows Spotlight	Not configured
- Block consumer specific features	Not configured

File Explorer

Item	Value
Block data execution prevention	Not configured
Block heap termination on corruption	Not configured

Firewall

Item	Value
Firewall profile domain	Configure
- Inbound connections blocked	Yes
- Outbound connections required	Yes
- Inbound notifications blocked	Yes
- Firewall enabled	Allowed
Firewall profile private	Configure
- Inbound connections blocked	Yes
- Outbound connections required	Yes
- Inbound notifications blocked	Yes
- Firewall enabled	Allowed
Firewall profile public	Configure
- Inbound connections blocked	Yes
- Outbound connections required	Yes
- Inbound notifications blocked	Yes
- Firewall enabled	Allowed
- Connection security rules from group policy not merged	Yes
- Policy rules from group policy not merged	Yes

Internet Explorer

Item	Value
Internet Explorer encryption support	TLS v1.1 TLS v1.2
Internet Explorer prevent managing smart screen filter	Enable
Internet Explorer restricted zone script Active X controls marked safe for scripting	Disable
Internet Explorer restricted zone file downloads	Disable
Internet Explorer certificate address mismatch warning	Enabled
Internet Explorer enhanced protected mode	Enabled
Internet Explorer fallback to SSL3	No sites
Internet Explorer software when signature is invalid	Disabled
Internet Explorer check server certificate revocation	Enabled
Internet Explorer check signatures on downloaded programs	Enabled
Internet Explorer processes consistent MIME handling	Enabled
Internet Explorer bypass smart screen warnings	Disabled
Internet Explorer bypass smart screen warnings about uncommon files	Disabled
Internet Explorer crash detection	Disabled
Internet Explorer download enclosures	Not configured
Internet Explorer ignore certificate errors	Disabled
Internet Explorer disable processes in enhanced protected mode	Enabled
Internet Explorer security settings check	Enabled
Internet Explorer Active X controls in protected mode	Disabled
Internet Explorer users adding sites	Disabled
Internet Explorer users changing policies	Disabled
Internet Explorer block outdated Active X controls	Enabled
Internet Explorer include all network paths	Disabled
Internet Explorer internet zone access to data sources	Disable
Internet Explorer internet zone automatic prompt for file downloads	Disabled
Internet Explorer internet zone copy and paste via script	Disable
Internet Explorer internet zone drag and drop or copy and paste files	Disable
Internet Explorer internet zone less privileged sites	Disable
Internet Explorer internet zone loading of XAML files	Disable
Internet Explorer internet zone .NET Framework reliant components	Disable
Internet Explorer internet zone allow only approved domains to use ActiveX controls	Enabled
Internet Explorer internet zone allow only approved domains to use tdc ActiveX controls	Enabled
Internet Explorer internet zone scripting of web browser controls	Disabled
Internet Explorer internet zone script initiated windows	Disabled
Internet Explorer internet zone scriptlets	Disable
Internet Explorer internet zone smart screen	Enabled
Internet Explorer internet zone updates to status bar via script	Disabled
Internet Explorer internet zone user data persistence	Disabled
Internet Explorer internet zone allow VBscript to run	Disable
Internet Explorer internet zone do not run antimalware against ActiveX controls	Disabled
Internet Explorer internet zone download signed ActiveX controls	Disable
Internet Explorer internet zone download unsigned ActiveX controls	Disable
Internet Explorer internet zone cross site scripting filter	Enabled
Internet Explorer internet zone drag content from different domains across windows	Disabled
Internet Explorer internet zone drag content from different domains within windows	Disabled
Internet Explorer internet zone protected mode	Enable
Internet Explorer internet zone include local path when uploading files to server	Disabled
Internet Explorer internet zone initialize and script Active X controls not marked as safe	Disable
Internet Explorer internet zone java permissions	Disable java
Internet Explorer internet zone launch applications and files in an iframe	Disable
Internet Explorer internet zone logon options	Prompt
Internet Explorer internet zone navigate windows and frames across different domains	Disable
Internet Explorer internet zone run .NET Framework reliant components signed with Authenticode	Disable
Internet Explorer internet zone security warning for potentially unsafe files	Prompt
Internet Explorer internet zone popup blocker	Enable
Internet Explorer intranet zone do not run antimalware against Active X controls	Disabled
Internet Explorer intranet zone initialize and script Active X controls not marked as safe	Disable
Internet Explorer intranet zone java permissions	High safety
Internet Explorer local machine zone do not run antimalware against Active X controls	Disabled
Internet Explorer local machine zone java permissions	Disable java
Internet Explorer locked down internet zone smart screen	Enabled
Internet Explorer locked down intranet zone java permissions	Disable java
Internet Explorer locked down local machine zone java permissions	Disable java
Internet Explorer locked down restricted zone smart screen	Enabled
Internet Explorer locked down restricted zone java permissions	Disable java
Internet Explorer locked down trusted zone java permissions	Disable java
Internet Explorer processes MIME sniffing safety feature	Enabled
Internet Explorer processes MK protocol security restriction	Enabled
Internet Explorer processes notification bar	Enabled
Internet Explorer prevent per user installation of Active X controls	Enabled
Internet Explorer processes protection from zone elevation	Enabled
Internet Explorer remove run this time button for outdated Active X controls	Enabled
Internet Explorer processes restrict Active X install	Enabled
Internet Explorer restricted zone access to data sources	Disable
Internet Explorer restricted zone active scripting	Disable
Internet Explorer restricted zone automatic prompt for file downloads	Disabled
Internet Explorer restricted zone binary and script behaviors	Disable
Internet Explorer restricted zone copy and paste via script	Disable
Internet Explorer restricted zone drag and drop or copy and paste files	Disable
Internet Explorer restricted zone less privileged sites	Disable
Internet Explorer restricted zone loading of XAML files	Disable
Internet Explorer restricted zone meta refresh	Disabled
Internet Explorer restricted zone .NET Framework reliant components	Disable
Internet Explorer restricted zone allow only approved domains to use Active X controls	Enabled
Internet Explorer restricted zone allow only approved domains to use tdc Active X controls	Enabled
Internet Explorer restricted zone scripting of web browser controls	Disabled
Internet Explorer restricted zone script initiated windows	Disabled
Internet Explorer restricted zone scriptlets	Disabled
Internet Explorer restricted zone smart screen	Enabled
Internet Explorer restricted zone updates to status bar via script	Disabled
Internet Explorer restricted zone user data persistence	Disabled
Internet Explorer restricted zone allow vbscript to run	Disable
Internet Explorer restricted zone do not run antimalware against Active X controls	Disabled
Internet Explorer restricted zone download signed Active X controls	Disable
Internet Explorer restricted zone download unsigned Active X controls	Disable
Internet Explorer restricted zone cross site scripting filter	Enabled
Internet Explorer restricted zone drag content from different domains across windows	Disabled
Internet Explorer restricted zone drag content from different domains within windows	Disabled
Internet Explorer restricted zone include local path when uploading files to server	Disabled
Internet Explorer restricted zone initialize and script Active X controls not marked as safe	Disable
Internet Explorer restricted zone java permissions	Disable java
Internet Explorer restricted zone launch applications and files in an iFrame	Disable
Internet Explorer restricted zone logon options	Anonymous
Internet Explorer restricted zone navigate windows and frames across different domains	Disable
Internet Explorer restricted zone run Active X controls and plugins	Disable
Internet Explorer restricted zone run .NET Framework reliant components signed with Authenticode	Disable
Internet Explorer restricted zone scripting of java applets	Disable
Internet Explorer restricted zone security warning for potentially unsafe files	Disable
Internet Explorer restricted zone protected mode	Enable
Internet Explorer restricted zone popup blocker	Enable
Internet Explorer processes restrict file download	Enabled
Internet Explorer processes scripted window security restrictions	Enabled
Internet Explorer security zones use only machine settings	Enabled
Internet Explorer use Active X installer service	Enabled
Internet Explorer trusted zone do not run antimalware against Active X controls	Disabled
Internet Explorer trusted zone initialize and script Active X controls not marked as safe	Disable
Internet Explorer trusted zone java permissions	High safety
Internet Explorer auto complete	Disabled

Local Policies Security Options

Item	Value
Block remote logon with blank password	Yes
Minutes of lock screen inactivity until screen saver activates	15
Smart card removal behavior	Lock workstation
Require client to always digitally sign communications	Yes
Prevent clients from sending unencrypted passwords to third party SMB servers	Yes
Require server digitally signing communications always	Yes
Prevent anonymous enumeration of SAM accounts	Yes
Block anonymous enumeration of SAM accounts and shares	Yes
Restrict anonymous access to named pipes and shares	Yes
Allow remote calls to security accounts manager
Prevent storing LAN manager hash value on next password change	Yes
Authentication level	Send NTLMv2 response only. Refuse LM and NTLM
Minimum session security for NTLM SSP based clients	Require NTLM V2 and 128 bit encryption
Minimum session security for NTLM SSP based servers	Require NTLM V2 and 128 bit encryption
Administrator elevation prompt behavior	Not configured
Standard user elevation prompt behavior	Automatically deny elevation requests
Detect application installations and prompt for elevation	Yes
Only allow UI access applications for secure locations	Yes
Require admin approval mode for administrators	Yes
Use admin approval mode	Not configured
Virtualize file and registry write failures to per user locations	Yes

Microsoft Defender

Item	Value
Block Adobe Reader from creating child processes	Enable
Block Office communication apps from creating child processes	Enable
Enter how often (0-24 hours) to check for security intelligence updates	4
Scan type	Quick scan
Defender schedule scan day	Everyday
Scheduled scan start time	Not configured
Cloud-delivered protection level	Not configured
Scan network files	Yes
Turn on real-time protection	Yes
Scan scripts that are used in Microsoft browsers	Yes
Scan archive files	Yes
Turn on behavior monitoring	Yes
Turn on cloud-delivered protection	Yes
Scan incoming email messages	Yes
Scan removable drives during full scan	Yes
Block Office applications from injecting code into other processes	Block
Block Office applications from creating executable content	Block
Block all Office applications from creating child processes	Block
Block Win32 API calls from Office macro	Block
Block execution of potentially obfuscated scripts (js/vbs/ps)	Block
Block JavaScript or VBScript from launching downloaded executable content	Block
Block executable content download from email and webmail clients	Block
Block credential stealing from the Windows local security authority subsystem (lsass.exe)	Enable
Defender potentially unwanted app action	Block
Block untrusted and unsigned processes that run from USB	Block
Enable network protection	Enable
Defender sample submission consent	Send safe samples automatically

MS Security Guide

Item	Value
SMB v1 client driver start configuration	Not configured
Apply UAC restrictions to local accounts on network logon	Not configured
Structured exception handling overwrite protection	Not configured
SMB v1 server	Not configured
Digest authentication	Not configured

MSS Legacy

Item	Value
Network IPv6 source routing protection level	Not configured
Network IP source routing protection level	Not configured
Network ignore NetBIOS name release requests except from WINS servers	Not configured
Network ICMP redirects override OSPF generated routes	Not configured

Power

Item	Value
Require password on wake while on battery	Not configured
Require password on wake while plugged in	Not configured
Standby states when sleeping while on battery	Not configured
Standby states when sleeping while plugged in	Not configured

Remote Assistance

Item	Value
Remote Assistance solicited	Not configured

Remote Desktop Services

Item	Value
Remote desktop services client connection encryption level	Not configured
Block drive redirection	Not configured
Block password saving	Not configured
Prompt for password upon connection	Not configured
Secure RPC communication	Not configured

Remote Management

Item	Value
Block client digest authentication	Not configured
Block storing run as credentials	Not configured
Client basic authentication	Not configured
Basic authentication	Not configured
Client unencrypted traffic	Not configured
Unencrypted traffic	Not configured

Remote Procedure Call

Item	Value
RPC unauthenticated client options	Not configured

Search

Item	Value
Disable indexing encrypted items	Yes

Smart Screen

Item	Value
Turn on Windows SmartScreen	Yes
Block users from ignoring SmartScreen warnings	Yes

System

Item	Value
System boot start driver initialization	Not configured

Wi-Fi

Item	Value
Block Automatically connecting to Wi-Fi hotspots	Not configured
Block Internet sharing	Yes

Windows Connection Manager

Item	Value
Block connection to non-domain networks	Not configured

Windows Ink Workspace

Item	Value
Ink Workspace	Enabled

Windows PowerShell

Item	Value
PowerShell script block logging	Not configured

Security & Governance

Design

None identified

Configuration

None identified

References

None identified