immutable-backups
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Backblaze built a cloud to keep a $5 promise
A cheap backup service needed cheaper hardware. Backblaze built its own, published the design, and found that the same economics could serve everyone from music archivists to AI clouds.
Scality Bet Against the Storage Tax - Now AI Is Making the Bet Look Timely
For 17 years, Scality has sold a stubborn idea: the valuable part of storage should be software, while the hardware underneath stays replaceable. Ransomware, sovereignty rules and GPU-hungry AI have made that once-technical argument a boardroom concern.
Clumio
Clumio is a cloud-native, serverless backup-as-a-service platform built for AWS workloads. It protects data in Amazon S3, DynamoDB, RDS/Aurora, EC2/EBS and Apache Iceberg lakehouses with air-gapped, immutable backups and near-instant recovery at exabyte scale. Founded in 2017 by serial entrepreneur Poojan Kumar, Clumio raised roughly $261M before being acquired by Commvault in 2024, where its technology now anchors AWS cyber-resilience offerings.
Rubrik
Rubrik is a Palo Alto-based cyber resilience company that helps organizations protect, recover, and secure their data across cloud, on-premises, and SaaS environments. Built on Zero Trust principles, its Rubrik Security Cloud platform combines immutable backups, ransomware detection, and rapid recovery so businesses can keep running through a cyberattack. Founded in 2014 and public on the NYSE since 2024, Rubrik crossed $1 billion in subscription ARR and is pushing into AI-era data security.