His primary fields of interest while employed at major technology companies such as Intel and Microsoft were content distribution, secure computing, and encryption.
He was one of the first authors to describe the concept of darknet,[1] an early participant in the Secure Digital Music Initiative (SDMI), Copy Protection Technical Working Group, and Trusted Computing Platform Alliance, an early technical evangelist for DVD and digital video recorder technology, the founding leader of Microsoft's Next-Generation Secure Computing Base (code named Palladium) initiative,[2] and was responsible for starting Microsoft's Hypervisor development efforts.
[5][6][7] In 1998, Biddle publicly demonstrated real-time consumer digital video recorder functionality using an inexpensive MPEG2 hardware encoder, at the WinHEC conference during a speech by Bill Gates.
In 2014, Biddle founded TradLabs, a company that designed new hardware intended to make outdoor sports safer and more accessible.
[24] The company billed itself as "building a self healing and self organizing factory-as-a-service platform for deployment anywhere on earth and (eventually) in space.