Financially motivated social engineering attacks, such as business email compromises, are on the rise. According to the 2020 FBI Internet Crime Report, business email compromises accounted for one-third of reported financial losses at a cost of $1.8 billion. These attacks can be much more difficult to detect than malware since they rely on more subtle methods, such as domain name spoofing while taking advantage of the weakest link—human error. Email security needs to address file-based malware and zero-day attacks, phishing and malicious URLs, and business email compromise. Mitigating SPAM can also improve security by minimizing distractions. Certain compliance regulations and security frameworks may also require data loss prevention (DLP) to protect privacy and other confidential information. The Challenge of Email Threats Traditionally emails are an essential form of business communication with customers and with partners. Research reveals that the amount of new malware is ever-increasing. In 2021 the number of