Security: When you compare your base line (EAM/EIS+WSA+ERP/VS+HMPA/MBAE) with mine. . . I would not be concerned. I would rather not use Firefox without a sandbox solution (since Firefix has no sandbox like Chrome or Edge), so consider changing to Chrome on your Dell (or install SBIE also when you prefer Firefox) Privacy: Add Privacy Badger, although not as paranoid as Matrix against browser fingerprinting, it claims to have more intelligent protection rules against pixel tags than both uMatrix and uBlock.