Many IT professionals believe that security and usability are antagonistic goals that must be balanced. Building computers that are both secure and usable is so difficult that many IT professionals think security is the enemy of usability. The problem with this balancing act is that it often produces systems that are neither secure nor usable. Usability engineering is difficult for most programmers because a programmer usually designs software for a single user: himself. But different people use complicated software differently, people who think like the original programmer find the program easy to use.”]
Source: https://www.csoonline.com/article/2117849/security-and-usability–keep-it-simple.html