According to Symantec's 2017 Annual Internet Security Threat Report: Malware-laden email increased significantly, from 1 in 220 emails in 2015, to 1 in 131 emails in 2016 - the highest rate in five years. With the exception of retail, every industry saw an increase in email malware in 2016; small to medium-sized businesses (1 to 500 employees) were the most affected. Read more Cybersecurity threats on the rise – Symantec releases annual internet security threat report