Implementing data loss prevention
It is important to identify sensitive data and put in place preventative controls to control the unwanted exfiltration or leakage of this data. There are many different controls for managing this requirement. We can use policy to ensure that correct data handling and operational procedures are followed. We can use DLP filters at the network egress points, using capability within our Next Generation Firewall (NGFW) or Unified Threat Management (UTM) appliance. Your cloud provider may offer Cloud Access Security Broker (CASB), protecting your organization when users access the cloud. Microsoft365 offers this protection with a collection of pre-set rules and templates that can be applied. We will look at some additional methods within this section.
Blocking the use of external media
To prevent the local exfiltration of sensitive data, it is important to put in place local controls, also known as Group Policy or Local Policy, for Windows workstations...