Proofpoint Inc. provides cloud-based email security, e-discovery, and compliance solutions for companies to protect sensitive business data.The company's security-as-a-service platform consists of a suite of on-demand data protection solutions, including threat protection, incident response, regulatory compliance, archiving, governance, e-discovery, and secure communication.

In 2016, Proofpoint acquired FireLayers and launched its first Cyber Security operations in Israel.

Following that, Proofpoint made two more acquisitions in Israel: MetaNetworks and ObserveIT in 2019.