Gartner lists these data loss prevention (DLP) purveyors in its Magic Quadrant (which excludes host-based systems):LeadersVontu
www.vontu.com
Websense
www.websense.com
Vericept
www.vericept.com
VisionariesReconnex
www.reconnex.net
Tablus
www.tablus.com
Code Green Networks
www.codegreennetworks.com
Niche players
Proofpoint
www.proofpoint.com
Palisade Systems
www.palisadesys.com
Fidelis Security Systems
www.fidelissecurity.com
*Other players, depending on the definition of the category, include Centennial, Oakley Networks, Orchestria, Safend and Verdasys, among others. Industry watchers such as Jon Oltsik, senior analyst at Enterprise Strategy Group, expect consolidation, and recent purchases of IronPort by Cisco and Tablus by EMC indicate that bigger companies are starting to dive in.
Read more: Dos and Don'ts for Data Loss Prevention.