What is Mimecast Email Security with Targeted Threat Protection used for?

This is mostly used for Internal Email Protection, Attachment Protection, URL Protection and Impersonation Protection. I can gladly consult for you and provide useful implementation scenarios.

Mimecast Email Security with Targeted Threat Protection is used to defend against phishing, malware, ransomware, and impersonation attacks.... It provides advanced threat detection, URL and attachment scanning, and email continuity to secure inbound and outbound communications....