Details

There should not be an option for a user to ‘forget’ work they have done. This is required to meet non-repudiation controls.

Solution

Windows group policy:
1. Open the group policy editor tool with ‘gpedit.msc’.
2. Navigate to Policy Path: Computer ConfigurationAdministrative TemplatesMozillaFirefox
Policy Name: Disable Forget Button
Policy State: Enabled

macOS ‘plist’ file:
Add the following:
DisableForgetButton

Linux ‘policies.json’ file:
Add the following in the policies section:
‘DisableForgetButton’: true

Supportive Information

The following resource is also helpful.

• https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_MOZ_Firefox_V6R1_STIG.zip

This security hardening control applies to the following category of controls within NIST 800-53: Access Control.This control applies to the following type of system Unix.

References

• 800-53|AC-24(2)
• CAT|II
• CCI|CCI-002355
• Rule-ID|SV-251562r807158_rule
• STIG-ID|FFOX-00-000018
• Vuln-ID|V-251562

Source

• Tenable.com/audits