Amazon OpenSearch UI Introduces Customer Managed Key Support and Larger Metadata Capacity

Amazon OpenSearch UI enhanced security and functionality by enabling encryption with customer managed keys (CMKs) and increasing metadata size limits for richer dashboarding experiences.

By Elena Parker · Editorial pseudonym · 2026-01-02 · 1 min read

AI-ASSISTED REPORTING · RETROSPECTIVE ARCHIVE

Retrospective edition: 2026-01-02. Source published: 2025-12-29. Added to this archive: 2026-11-03. This briefing was prepared later from the linked announcement; it was not published on this website on the historical edition date.

CMK support allows organizations to encrypt OpenSearch UI metadata, helping meet regulatory and compliance requirements while maintaining control over encryption keys. Increasing metadata storage facilitates creation and saving of complex queries, visualizations, and extensive dashboards within the service.

These updates improve OpenSearch UI’s capability to handle sophisticated operational analytics workloads with enhanced data security. The features are available in all regions offering OpenSearch UI, reflecting vendor feature additions without external validation of security enhancements.

Source & further reading

Amazon OpenSearch UI supports CMK and increased metadata size ↗

Source published 2025-12-29. This report was prepared with AI assistance from the linked primary-source material. Claims and limitations should be checked against the original announcement or research.