2.9: Implement Application Whitelisting of Scripts
The organization’s application whitelisting software must ensure that only authorized, digitally signed scripts (such as .ps1,.py, macros, etc.) are allowed to run on a system.
Asset Type |
Security Function |
Implementation Groups |
|---|---|---|
Applications |
Protect |
3 |
Dependencies
Sub-control 2.1: Maintain Inventory of Authorized Software
Sub-control 2.7: Utilize Application Whitelisting
Inputs
The list of authorized software
The list of authorized scripts
Operations
Enumerate all instances of whitelisting software from the software inventory
For each instance of whitelisting software, examine its configuration to ensure that it is configured to allow execution of authorized and signed scripts, noting appropriately and inappropriately configured whitelisting software
Measures
M1 = List of all instances of whitelisting software found in the software inventory
M2 = List of appropriately configured whitelisting software instances
M3 = List of inappropriately configured whitelisting software instances
M4 = Count of all instances of whitelisting software found in the software inventory (count of M1)
M5 = Count of appropriately configured whitelisting software instances (count of M2)
M6 = Count of inappropriately configured whitelisting software instances (count of M3)
Metrics
Coverage
Metric |
The ratio of appropriately configured whitelisting software instances to the total
number of whitelisting software instances in the enterprise
|
Calculation |
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