1Email Impersonation Attacks on the Rise, Mimecast Finds
Email security vendor Mimecast released its latest quarterly Email Security Risk Assessment (ESRA) report on June 6, providing insight from data collected across 44,644 participating users over a 287-day period. During the quarter, the ESRA test found 9 million emails that Mimecast categorized as some form of unwanted emails (spam), which included various threats and risks. Of the spam caught by Mimecast, there were 8,605 impersonation attacks detected, which is a 400 percent increase over the number of such attacks that Mimecast detected in its first-quarter 2017 report. This slide show takes a look at some of the highlights of the May 2017 Mimecast ESRA report.
2Nearly 9 Million Spam Messages Detected
3Spam Wastes a Lot of Time
4Dangerous File Types Sent via Email
5Attachments Are Still a Problem
6Impersonation Attacks Growing
7The Cost of Impersonation Is High
Email impersonation attacks are also sometimes referred to as business email compromises (BECs), which a trend the FBI’s Internet Crime Complaint Center (IC3) has been tracking. In May 2017, eWEEK reported that the IC3 had estimated that BEC scams have resulted in $5.3 billion in financial losses since October 2013.
8Most Email Is Not Spam
Although spam remains a problem, the majority of emails analyzed by Mimecast were deemed to be safe. Of 40.3 million emails inspected, 31.3 million (78 percent) were considered to be safe.