following the MITRE Frameworks $($ATT&CK$,$ D$3$FEND, and ENGAGE$)$ address how to use them as part of updated guidance. Prepare an update of a corporate IT policy for hardening of operating systems. Provide a brief explanation of at least three specific recommendations that should be covered in the updated guidance on OS hardening for an organization. Describe at least two ways the company can incorporate the D$3$FEND framework as part of the new guidance.