The Security Executive Council has identified 13 fundamental considerations for a successful corporate security program. It can be used to structure a new program and/or assess an existing one. It may also provide some assurance to management that your program is in step with other successful security organizations.
These proven practices will set any security program on a strong footing, helping to ensure that it is organizationally aligned, professionally operated, appropriately resourced, and defensible.
Further information can be found here https://www.securityexecutivecouncil.com/download/1407