Can HIPAA-covered entities use cloud anonymization tools, or is on-premise required?

“anonym.legal's zero-knowledge design means original text is never stored on our servers — the EU-hosted API processes anonymization logic without retaining source documents. This removes the primary blocker for HIPAA-covered entities, since the tool provably cannot expose PHI even under subpoena. European data storage (Hetzner, Germany) with ISO 27001 controls provides the regulatory fit framework healthcare organizations require.”