SharePoint Health Check-Up can improve stability and performance of your SharePoint
SharePoint Managed Services to improve system reliability.
What are the best practices for managing SharePoint permissions? This post addresses that. We suggest keep it as simple as possible!
Using AD groups is suggested but there will be exceptions. For best practices users are often not added to SharePoint groups directly but rather an AD security group which is added to SharePoint groups.
Contact us if we can help you solve your security issue.