windows-itpro-docs/windows/threat-protection/windows-defender-exploit-guard/configure-system-exploit-protection.md

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Configure how ASR works so you can finetune the protection in your network	You can individually set rules in audit, block, or disabled modes, and add files and folders that should be excluded from ASR	Attack Surface Reduction, hips, host intrusion prevention system, protection rules, anti-exploit, antiexploit, exploit, infection prevention, customize, configure, exclude	eADQiWindows 10XVcnh	security	w10	manage	library	security	medium	iaanw	iawilt

Customize Attack Surface Reduction

Applies to:

• Windows 10 Insider Preview

Audience

• Enterprise security administrators

Manageability available with

• Windows Defender Security Center app
• Group Policy
• PowerShell
• Configuration service providers for mobile device management

System-level mitigations

What is the scope for these? Any app? Only Windows/system services? Signed apps? Known bad apps?

System-level mitigations are applied to...

You can set each of the following system-level mitigations to on, off, or the default value:

Mitigation | Default value Control flow guard | On Data execution prevention | On Force randomization for images (Mandatory ASLR) | Off Randomize memory allocations (Bottom-up ASLR) | On Validate exception chains (SEHOP) | On Validate heap integrity | Off

Generally, the default values should be used to...

Control flow guard

Data execution prevention

Force randomization for images (Mandatory ASLR)

Randomize memory allocations (Bottom-up ASLR)

Validate exception chains (SEHOP)

Validate heap integrity

Configure system-level mitigations

1. Open the Windows Defender Security Center by clicking the shield icon in the task bar or searching the start menu for Defender.

2. Click the Virus & threat protection tile (or the shield icon on the left menu bar) and then the Virus & threat protection settings label:

   

3. Under the Controlled folder access section, click Protected folders

4. Click Add a protected folder and follow the prompts to add apps.

   

You can now export these settings as an XML file. This allows you to copy the configuration from one machine onto other machines.

Related topics

• Reduce attack surfaces with Windows Defender Exploit Guard
• Enable Attack Surface Reduction
• Evaluate Attack Surface Reduction