The security of a DRM system is dependant on the security of its trusted components, which may be run in unsafe circumstances. Thus its security model is fundamentally different from an Internet-based system.

• DRM系统的安全性依赖于其信任组件的安全性，该信任组件处于非安全的环境，其安全模型与基于互联网的系统的安全模型有着本质的区别。