Security policy defines several code groups and associates each of them with a set of permissions. 安全策略定义若干代码组并将每个代码组与一个权限集关联。
Devising a network security policy can be complex because a rational policy requires an organization to assess the value of information. 设计安全策略是复杂的，因为一个合理的安全策略需要组织去评估信息的价值。
