Maintaining FortiGuard Intrusion and Web Protections services
You can view and search the security signatures and web protection signatures in Cases > Security Testing > Maintenance.
It's important to keep the service packages updated so that you can use the latest signatures in the security cases. Click Update in Cases > Security Testing > Maintenance > FGD Intrusion Service or Cases > Security Testing > Maintenance > Web Protection Service to update the corresponding services. See Updating FortiGuard for more information.
Please note that the Web Protection signature file is only available if you have purchased the Premium package.