Your application may be extremely secure but if the operating system or 3rd party applications are not, the attacker will never notice or care and if you have ever installed anything, you know that the easiest approach is to simply click “Next”, “Next” and “Done” and take a coffee break. But you know how secure (or rather insecure) this is and what could be done to secure it!
Watch how to create a secure golden image in a CD/CI pipeline – You will never do anything else!