The center describes itself as a national civil rights organization that combats injustice and hatred. As the Internet has revolutionized communication, some hate groups have abused it to promote destructive behavior, Cisco Systems says in making the announcement. News of the Columbine school shooting, for example, included reports of students and others exchanging information about explosives over the Web.
Visitors can take an interactive psychology test to measure hidden biases.
Cisco is among a group of technology and entertainment companies helping to support and promote Tolerance.org. Other participating companies include Razorfish and Yahoo.