The RSI security blog breaks down the steps in some detail, but the process in essence goes similar to this: Create firewalls and router expectations, which set policies for allowing and denying entry to your devices. Firewall configurations need to be reviewed bi-annually to ensure there aren't any faulty obtain https://www.nathanlabsadvisory.com/blog/nathan/stay-ahead-with-effective-web-application-security-testing-strategies/