SAN JOSE, Calif.--(BUSINESS WIRE)-- #ai--Stellar Cyber, the innovator of Open XDR, announced a new partnership with Proofpoint, a leading cybersecurity and compliance company. Through this alliance, Proofpoint and Stellar Cyber customers benefit from an out-of-the-box integration enabling swift email investigations and real-time response actions to email-driven attacks. Proofpoint Targeted Attack Protection monitors emails to identify suspicious emails and potentially malicious attachments and URLs.