Proofpoint, Inc. is an American enterprise cybersecurity company founded in 2002 and headquartered in Sunnyvale, California. With over 5,000 employees, it serves more than 2 million customers worldwide, including a significant portion of the Fortune 1000. The company specializes in protecting organizations from advanced cyber threats and compliance risks through its software-as-a-service (SaaS) solutions. Key offerings include email security, which utilizes proprietary machine learning algorithms to detect and block malicious content, phishing, and spam. Proofpoint also provides identity threat defense, data loss prevention, electronic discovery and email archiving, as well as social media and mobile security. These products are designed to safeguard people, data, and brands from cyberattacks and compliance violations, reflecting the company's commitment to securing digital communication channels. Proofpoint has achieved significant milestones, including going public in 2012 and reaching over $1 billion in revenue by 2020. The company maintains a high customer satisfaction rate and operates globally, with offices in various countries.