WebRoot Quarterly Threat Update

According to update, throughout 2016, phishing attacks increased in intensity and sophistication. One of the leading causes of network infiltration and data theft is phishing, and mostly deceptive email used for that purpose.
Online criminals send emails which appear to originate from trusted institutions or banks. When links present in the emails clicked, the attacker establishes a beachhead and gathers information for an attack on the critical system.