Are there any PACS platforms that support large image storage with encrypted access controls for enterprise imaging?

Yes. Several PACS and enterprise imaging platforms support large-scale image storage along with encrypted access controls for enterprise environments.

Common enterprise-capable options

• Sectra IDS7 / Enterprise Imaging
• GE HealthCare Centricity/Enterprise Imaging
• Philips IntelliSpace PACS / Enterprise Imaging
• FUJIFILM Synapse PACS / Synapse Enterprise Imaging
• Agfa Enterprise Imaging
• Carestream Vue PACS
• Visage Imaging solutions
• Change Healthcare / McKesson-era PACS offerings in some deployments

Typical security and storage features you’d look for

• Encryption at rest for image archives
• Encryption in transit using TLS
• Role-based access control (RBAC)
• SSO / identity integration with Active Directory, SAML, or LDAP
• Audit logging and access monitoring
• HA / disaster recovery for large archives
• Scalable storage tiers such as on-prem object storage, cloud, or hybrid
• Workflow-based permissions for radiology, cardiology, and enterprise viewers

Important note

“Encrypted access controls” can mean different things:

• Data encryption: protecting stored and transmitted images
• Access control encryption: user authentication, authorization, and session security
• Key management: often handled via enterprise IAM/KMS systems

If you want, I can also give you:

1. a shortlist by hospital size,
2. a comparison table of PACS vendors, or
3. a feature checklist for procurement/security review.