Did you ever wonder how companies know that you have been looking at certain items when you open their emails? There is a tracking pixel embedded in the email, typically an image, that once opened allows the advertiser to know the times and dates the email was opened, as well as the location of the device used, and the email client you used.
You can reduce this risk.
Check out this article on how Tracking Pixels work and how you can stop Tracking emails.
Black Water Network Security can also help train your staff to recognize social engineering attacks such as email phishing.