Gartner, Inc. Cool Vendors in Security: Identity & Access Management, 2013 written by analysts Ray Wagner, Avivah Litan, and Earl Perkins and published 29 April 2013. Gartner does not endorse any vendor, product or service depicted in its research publications, and does not advise technology users to select only those vendors with the highest ratings. Gartner research publications consist of the opinions of Gartner's research organization and should not be construed as statements of fact. Gartner disclaims all warranties, expressed or implied, with respect to this research, including any warranties of merchant ability or fitness for a particular purpose.