As an IT professional, I understand that many companies still use a moat-and-castle approach when it comes to their enterprise security. While this method might have worked well in the past, it has since lost its effectiveness in our mobile and cloud-first world.

As enterprises evolve and allow employees to access applications from anywhere on any device, secure access to these applications is becoming more and more critical as the threat landscape continues to evolve. Let’s take a look at a few reasons why a moat-and-castle approach is no longer effective in our mobile and cloud-first world.