CloudPassage is the leading cloud server security provider and creator of Halo™, the industry's first security and compliance platform purpose-built for elastic cloud environments. Halo operates across public, private and hybrid clouds. Industry-leading companies like Foursquare, StrongMail and Exois trust Halo to seamlessly manage their server security configuration, host-based firewalls, intrusion detection and server account auditing from one system. A feature-rich version of Halo is available for free at www.cloudpassage.com/free. Headquartered in San Francisco, Calif., CloudPassage is backed by Benchmark Capital, Tenaya Capital and other leading investors.