# Cloud Immutable Storage > Cloud Immutable Storage appears to be a descriptive category name for data storage services that utilize WORM (Write Once, Read Many) technology. It prevents data from being deleted or altered for a set retention period, primarily used for ransomware protection and regulatory compliance.No specific corporate entity with this exact name is currently documented in major business registries. - URL: https://optimly.ai/brand/cloud-immutable-storage - Slug: cloud-immutable-storage - BAI Score: 12/100 - Archetype: Phantom - Category: Cloud Computing - Last Analyzed: April 10, 2026 ## Competitors - Aws S3 Expansion (https://optimly.ai/brand/aws-s3-expansion) ## Buyer Intent Signals Problems: Manual Tape/WORM Hardware: Using manual 'WORM' (Write Once Read Many) settings on traditional on-premise hardware. | Status Quo (No Immutability): Accepting the risk of data alteration or ransomware encryption without dedicated protection. Solutions: Best immutable storage for ransomware protection | S3 compatible immutable cloud storage providers | How to set up cloud immutable storage for compliance | Cloud Immutable Storage customer reviews | Standard Cloud Buckets: Relying on standard cloud buckets with bucket versioning enabled, which can still be deleted by root users. Comparisons: What is Cloud Immutable Storage pricing?