Entrust Inc. is a $130 million privately owned software company with 350 employees. Originally a spin-off from Nortels Secure Networks division, it provides identity management security software and services in the areas of public key infrastructure (PKI), multifactor authentication, Secure Socket Layer certificates, fraud detection, digital certificates and mobile authentication. Headquartered in the Dallas-Fort Worth Metroplex, the company’s largest office is in Ottawa, Ontario, Canada. It also has offices in London, Tokyo, Washington, D.C. and other cities internationally. Entrust reports having customers at public and private organizations in 60 countries, with 125 patents either granted or pending in the areas of authentication, physical/logical access, certificates, e-content delivery and citizen identities. Previously a publicly traded company, in July 2009 Entrust was acquired by Thoma Bravo, a U.S.-based private equity firm, for $124 million.