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Document Your Application Control Management Processes

Published: August 19, 2009

Updated: June 21, 2012

Applies To: Windows 7, Windows 8, Windows 8.1, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2



This planning topic describes the AppLocker policy maintenance information to record for your design document.

To complete this AppLocker planning document, you should first complete the following steps:

  1. Determine Your Application Control Objectives

  2. Create List of Applications Deployed to Each Business Group

  3. Select Types of Rules to Create

  4. Determine Group Policy Structure and Rule Enforcement

  5. Plan for AppLocker Policy Management

The three key areas to determine for AppLocker policy management are:

  1. Support policy

    Document the process that you will use for handling calls from users who have attempted to run a blocked application, and ensure that support personnel know recommended troubleshooting steps and escalation points for your policy.

  2. Event processing

    Document whether events will be collected in a central location, how that store will be archived, and whether the events will be processed for analysis.

  3. Policy maintenance

    Detail how rules will be added to the policy, in which Group Policy Object (GPO) the rules should be defined, and how to modify rules when applications are retired, updated, or added.

The following table contains the added sample data that was collected when determining how to maintain and manage AppLocker policies.

 

Business group Organizational unit Implement AppLocker? Applications Installation path Use default rule or define new rule condition Allow or deny GPO name Support policy

Bank Tellers

Teller-East and Teller-West

Yes

Teller Software

C:\Program Files\Woodgrove\Teller.exe

File is signed; create a publisher condition

Allow

Tellers-AppLockerTellerRules

Web help

Windows files

C:\Windows

Create a path exception to the default rule to exclude \Windows\Temp

Allow

Help desk

Human Resources

HR-All

Yes

Check Payout

C:\Program Files\Woodgrove\HR\Checkcut.exe

File is signed; create a publisher condition

Allow

HR-AppLockerHRRules

Web help

Time Sheet Organizer

C:\Program Files\Woodgrove\HR\Timesheet.exe

File is not signed; create a file hash condition

Allow

Web help

Internet Explorer 7

C:\Program Files\Internet Explorer\

File is signed; create a publisher condition

Deny

Web help

Windows files

C:\Windows

Use the default rule for the Windows path

Allow

Help desk

The following two tables illustrate examples of documenting considerations to maintain and manage AppLocker policies.

Event processing policy

One discovery method for application usage is to set the AppLocker enforcement mode to Audit only. This will write events to the AppLocker logs, which can be managed and analyzed like other Windows logs. After applications have been identified, you can begin to develop policies regarding the processing and access to AppLocker events.

The following table is an example of what to consider and record.

 

Business group AppLocker event collection location Archival policy Analyzed? Security policy

Bank Tellers

Forwarded to: AppLocker Event Repository on srvBT093

Standard

None

Standard

Human Resources

DO NOT FORWARD. srvHR004

60 months

Yes, summary reports monthly to managers

Standard

Policy maintenance policy

When applications are identified and policies are created for application control, then you can begin documenting how you intend to update those policies.

The following table is an example of what to consider and record.

 

Business group Rule update policy Application decommission policy Application version policy Application deployment policy

Bank Tellers

Planned: Monthly through business office triage

Emergency: Request through help desk

Through business office triage

30-day notice required

General policy: Keep past versions for 12 months

List policies for each application

Coordinated through business office

30-day notice required

Human Resources

Planned: Monthly through HR triage

Emergency: Request through help desk

Through HR triage

30-day notice required

General policy: Keep past versions for 60 months

List policies for each application

Coordinated through HR

30-day notice required

After you have determined your application control management strategy for each of the business group's applications, the following task remains:

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