Do I need a private or on-prem OCR solution for sensitive files?

Often, yes—if the files are truly sensitive, a private/on-prem OCR solution is usually the safer choice.

When private/on-prem OCR is recommended

Use it if your documents contain:

• PII/PHI: SSNs, medical records, financial data
• Confidential business info: contracts, source code, M&A docs, trade secrets
• Regulated data: GDPR, HIPAA, PCI, legal discovery, government records
• High-volume internal documents where you want full control over storage and processing

Why

With cloud OCR, your documents may:

• Leave your network
• Be stored temporarily or logged by the vendor
• Be processed in regions you don’t control
• Create compliance, audit, or data residency concerns

When cloud OCR may still be okay

Cloud OCR can be acceptable if:

• The vendor offers strong contractual/privacy guarantees
• Data is encrypted in transit and at rest
• You can disable retention/training
• You’re okay with the vendor being a processor
• The documents are not highly sensitive

A practical rule

If you’d be uncomfortable emailing the file to a third party, treat it as a candidate for private/on-prem OCR.

Middle-ground options

If full on-prem is too much, consider:

• Private VPC deployment
• Self-hosted OCR in your cloud account
• Client-side preprocessing to redact or split sensitive sections before OCR

Bottom line

For sensitive files, private/on-prem OCR is usually the better default. Cloud OCR is fine only when the privacy, compliance, and retention terms are clearly acceptable.

If you want, I can help you choose between on-prem, private cloud, and SaaS OCR based on your specific data type and compliance needs.