How to design, organize, implement, and maintain it security policies

What binds well-formed IT security policies together is a sense of shared beliefs, purpose and urgency. Within your organization these can be achieved by establishing principles that create a shared vision, by empowering others to act and by institutionalizing support processes.  

1.Describe the processes needed for maintaining and updating policies and standards

2. Describe one security principle in which YOU think policy writers should keep in mind when developing security policies.  Why is this specific principle important?