Privacy Firewall
A security layer, often self-hosted, that filters and anonymizes sensitive data before it can reach an AI model.
Related terms
Blackbox (QUESTA BLACKBOX)
Questa's self-hosted, airgapped privacy firewall — installed inside a company's own network for zero data exposure.
Sensitive Data
Any personal, financial, medical, or commercially confidential information that could cause harm if exposed without authorization.
Payment Records
Transaction and billing data containing financial identifiers that require anonymization before AI analysis.
Payroll Data
Employee compensation records classified as sensitive financial and personal information.
PHI (Protected Health Information)
Health-related information linked to a specific individual, protected under regulations such as HIPAA.
PII (Personally Identifiable Information)
Any data usable to identify a specific person — including names, IDs, and biometric data.
See Privacy Firewall in practice
Questa AI anonymizes sensitive data before it reaches any AI model — across documents and live prompts, with governance and data-residency control.