For many businesses, critical applications significantly impact revenues, customer satisfaction, and/or market share.
To protect them, you need a structure designed around high availability - a structure designed to account for every component of your infrastructure that may impact these business-critical applications.
Even the best hardware money can possibly buy is useless if your data is not secure. This is why security is for all of us. Our systems are protected by firewall and intrusion detection systems to stop security breaches before they can even reach our servers.