WebMinder was a content blocking system implemented in the UK by Brightview Internet Services and used on their ISPs such as Madasafish, Global Internet and Waitrose.Com. It was similar in purpose to Cleanfeed

Cleanfeed (content blocking system)

Cleanfeed is the name given to privately administered ISP level content filtering systems operating in the United Kingdom and Canada. It is also the name of a proposed mandatory Australian ISP level content filtering system which is undergoing testing...

, BT's blocking system and used a list from the Internet Watch Foundation

Internet Watch Foundation

The Internet Watch Foundation is a non-governmental charitable body based in the United Kingdom. It states that its remit is "to minimise the availability of 'potentially criminal' Internet content, specifically images of child sexual abuse hosted anywhere, and criminally obscene adult content in...

. In addition to this it claimed to stop images from these sites being transmitted as email attachments.

WebMinder was a two stage process using Cisco

Cisco

Cisco may refer to:Companies:*Cisco Systems, a computer networking company* Certis CISCO, corporatised entity of the former Commercial and Industrial Security Corporation in Singapore...

's Web Cache Communication Protocol

Web Cache Communication Protocol

Web Cache Communication Protocol is a Cisco-developed content-routing protocol that provides a mechanism to redirect traffic flows in real-time. It has built-in load balancing, scaling, fault tolerance, and service-assurance mechanisms...

version 2 (WCCPv2). and was architecturally similar to Cleanfeed.

WebMinder was retired after BT's purchase of the Brightview Group in 2007 , and the ISP's using it were moved to BT's Cleanfeed system.