ISO/IEC 11889定义了可信平台模块（TPM），这是一种在计算平台中实现信任的设备。ISO/IEC 11889-1:2009是TPM的概述。它描述了TPM以及它如何融入可信平台。ISO/IEC 11889-1:2009描述了可信平台的概念，如信任边界、可传递信任、完整性度量和完整性报告。

ISO/IEC 11889 defines the Trusted Platform Module (TPM), a device that enables trust in computing platforms in general. ISO/IEC 11889-1:2009 is an overview of the TPM. It describes the TPM and how it fits into the trusted platform. ISO/IEC 11889-1:2009 describes trusted platform concepts such as the trust boundary, transitive trust, integrity measurement, and integrity reporting.