Practitioners are faced with an average of 5,000 to 7,000 new software vulnerabilities a year. A single slip-up could compromise the crown jewels and put your company in an unwanted media spotlight, hurt your revenues, and get people fired. Every IT security professional should learn the basics of cryptography, including asymmetric encryption and symmetric encryption, hashing, and key distribution and protection. You cant begin to successfully fight bad guys without understanding who they are and why they are after you.”]
Source: https://www.csoonline.com/article/3429823/12-things-every-computer-security-pro-should-know.html