Mimecast’s ESRA report inspected the inbound email received for 62,323 email users over a cumulative 428 days. More than 45 million emails were inspected, all of which had passed through the incumbent email security system in use by each organization – of this, 31 percent were deemed “unsafe” by Mimecast. These assessments have uncovered more than 10.8 million pieces of spam, 8,682 dangerous file types, 1,778 known and 503 unknown malware attachments and 9,677 impersonation emails to date.
