Radialpoint

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Radialpoint (formerly known as Zero-Knowledge Systems, Inc.) is a privately held Montreal-based company founded in 1997 by Austin, Hamnett and Hammie Hill. The company was founded to provide strong privacy services to individuals, and was the beneficiary of a great deal of publicity for its Freedom Network. The Tor network benefited from design advice and lessons learned by Zero-Knowledge.

The company also developed electronic cash systems, enterprise data privacy systems, location based wireless privacy systems in to its flagship Freedom Network product. At it's peak the company was reported to have more then 220 employees. The company raised $55 million dollars in between 1997 and 2001. During the dot.com bust, the company dismissed many of its staff and shut down many lines of privacy research and business. The company was criticized in the press as an example of a Dot.Com failure as it shut down business units.

The company began to license security services to Internet Service Providers in 2002. The company changed its name to Radialpoint in 2005.

Today, with Hamnett Hill as CEO, the company is a provider of managed consumer Internet services. Radialpoint focuses exclusively on the needs of Broadband Service Providers (BSPs) who want to offer value added services for broadband subscribers.

Prominent employees included Adam Back, Stefan Brands, Mario Contestabile, Ian Goldberg, Tom Maddox, Mike Shaver and Adam Shostack.

In June of 2006, Austin Hill the co-founder of the company left to work on a new startup with Alex Eberts, the first employee of Zero-Knowledge.