[3] On October 11, 1999, the Trusted Computing Platform Alliance (abbreviated as TCPA), a consortium of various technology companies including Compaq, Hewlett-Packard, IBM, Intel, and Microsoft, was formed in an effort to promote trust and security in the personal computing platform.

[4] In November 1999, the TCPA announced that over 70 leading hardware and software companies joined the alliance in the first month.

[5] On January 30, 2001, version 1.0 of the Trusted Computing Platform Specifications was released[6] IBM was the first original equipment manufacturer to incorporate hardware features based on the specifications with the introduction of its ThinkPad T30 mobile computer in 2002.

[7] In 2003, the TCPA was succeeded by the Trusted Computing Group, with an increased emphasis on mobile devices.

[8] TCG's most successful effort was the development of a Trusted Platform Module (TPM), a semiconductor intellectual property core or integrated circuit that conforms to the specification to enable trusted computing features in computers and mobile devices.