Alternatives to Proofpoint include WhiteSource Software, Paubox. Proofpoint is a next-generation cybersecurity company that protects your people, data and brand against advanced threats and compliance risks. Built on the cloud and the world's most advanced intelligence platform, our solutions help you effectively detect and block targeted attacks and respond quickly to suspected compromises. ? Every day, we detect and block advanced threats in more than 600 million emails, more than 7 million mobile apps and hundreds of thousands of social media accounts. ? We help customers share large files securely and protect sensitive information as it?s sent, stored, and archived. ? More than half of the Fortune 100 trust Proofpoint to protect their business.