Proofpoint

Proofpoint is based in Sunnyvale, California and provides SaaS and on-premises solutions for inbound email security, outbound data loss prevention, privacy protection, email encryption, electronic discovery ("eDiscovery") and email archiving. Proofpoint delivers an integrated suite of on-demand data protection solutions spanning threat management, regulatory compliance, data governance and secure communications—all of which are based on a common security-as-a-service platform. Source: https://en.wikipedia.org/wiki/Proofpoint,_Inc.