AtData is the leader in email identity, helping organizations recognize, engage, and protect consumers across marketing, data operations, and fraud prevention. Anchored in email, the most persistent and behavior-rich identifier, AtData enables confident identity decisions at scale. Powered by a proprietary activity network processing more than 150 billion deterministic signals each month, AtData delivers accurate, current identity intelligence that improves match rates, increases efficiency, and lowers risk at scale. Solutions are delivered in real time via APIs and partner connectors, supporting privacy- and compliance-ready decisioning.