The Trusted Computing Group is a group formed by AMD, Hewlett-Packard, IBM, Intel and Microsoft to implement Trusted Computing concepts across personal computers. The Trusted Computing Group was announced in 2003 as the successor to the Trusted Computing Platform Alliance which was previously formed in 1999. Many other companies have since joined the Trusted Computing Group, including Wave Systems Corp, Digital Management, Inc., Cisco, Lenovo, Infineon, Juniper Networks and Fujitsu.