# Chapter 2: The Evolution regarding Application Security Application security as we know it right now didn't always are present as an elegant practice. In typically the early decades of computing, security concerns centered more about physical access and even mainframe timesharing adjustments than on signal vulnerabilities. To understand modern day application security, it's helpful to find its evolution from the earliest software assaults to the advanced threats of right now. This historical trip shows how every single era's challenges formed the defenses plus best practices we have now co