Title

The Windows SmartScreen must be configured to require approval from an administrator before running downloaded unknown software. (Cat II impact)

Discussion

Windows SmartScreen helps protect systems from programs downloaded from the Internet that may be malicious. Requiring administrator approval before running unknown software will prevent users from executing potentially malicious programs.

Check Content

If the following registry value does not exist or is not configured as specified, this is a finding: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \SOFTWARE\Policies\Microsoft\Windows\System\ Value Name: EnableSmartScreen Type: REG_DWORD Value: 2

Fix Text

Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> File Explorer >> "Configure Windows SmartScreen" to "Enabled" with "Require approval from an administrator before running downloaded unknown software" selected.

Additional Identifiers

Rule ID: SV-48337r2_rule

Vulnerability ID: V-36707

Group Title: WINCC-000088

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.