SurfControl Announces Grant of US Patent for Internet Filtering Technology

SCOTTS VALLEY, Calif.–(BUSINESS WIRE)–May 10, 2001–SurfControl, the Internet Filtering Company(sm), (London:SRF, Nasdaq Europe:SRFC), is pleased to announce today that the US Patent Office has granted to SurfControl a patent on its core web filtering technology and processes.

The US Patent 6,219,786, granted to SurfControl, Inc., describes the unique system for managing access control to resources of a distributed network, and more particularly to monitoring computer users’ access to those resources from within and outside the network.

In particular, it covers the key elements necessary for the monitoring and controlling of network access including identifying the source and destination of data packets, generating access rules, and completing or denying access based upon those access rules.

The patent further highlights the benefit of monitoring traffic and managing access from a workstation other than the actual choke point of the network, this is SurfControl’s innovative “pass-by” technology.

“Filtering Web and Email traffic is much more than just checking ‘Blacklists’ or looking for viruses. The grant of this patent demonstrates that SurfControl’s unique filtering technology offers organisations a solution that is flexible, scalable, and easy to administer,” said Steve Purdham, CEO and President, SurfControl. “Internet filtering is becoming increasingly more sophisticated and the technology behind this patent provides a significant foundation stone to continue to build complete filtering solutions.”

SurfControl’s advanced filtering technology provides businesses with a method to enhance employee productivity, optimize network bandwidth and increase internal security. SurfControl will continue to develop innovative processes that will keep us in the lead in this marketplace,” concluded Purdham.

About SurfControl – The Internet Filtering Company

SurfControl plc (London:SRF/NASDAQ Europe:SRFC), is a world leader in Internet filtering solutions for use by corporations, in the home and education. The SurfControl family of products employs expert filtering, Pass-Through, and Pass-By technologies to create a productive Internet environment in the workplace and a child safe environment on the Internet at home and at school.

This comprehensive line of Internet monitoring and policy management solutions includes SuperScout Web Filter- the market leader in Internet productivity in the corporation; SuperScout Email Filter – managing content security; Cyber Patrol – the market leader in responsible Internet usage in the home and at school; and the SurfControl Content Filtering SDK – the proven filtering solution for ISPs, Search Engines, Internet Appliances and ASPs.

SurfControl works with a variety of partners such as AT&T, Check Point Software (NASDAQ:CHKP), Cisco Systems (NASDAQ:CSCO), Hewlett Packard (NYSE:HWP), IBM (NYSE:IBM), Intel (NASDAQ: INTC), and Microsoft’s Web TV (NASDAQ: MSFT).

SurfControl employs 347 people worldwide and has 8 offices in the USA in California and Massachusetts; in the UK in Manchester and London; in Rotterdam, Holland; Vienna, Austria; Frankfurt, Germany and Sydney, Australia.

For further information and news on SurfControl, please visit

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