Data Tokenization
Protect Sensitive Data. Preserve Its Value.
ALTR’s data tokenization platform replaces your most sensitive data with cryptographically secure, analytically useful tokens — reducing compliance scope, enforcing access policy automatically, and enabling safe AI workflows. No infrastructure required.
Security Without Breaking Your Data
Reduce PCI Scope and Audit Burden
Reduces sensitive data exposure to shrink PCI scope and simplify ongoing compliance and audit requirements.
Analytics Without Exposure
Enables analytics, reporting, and data processing on sensitive datasets without exposing underlying values.
No Infrastructure Overhead
Operates as a fully managed SaaS platform with no agents, hardware, or cluster management required.
Automated Policy Enforcement
Ensures access decisions are enforced automatically through Snowflake masking policies without manual intervention.
Reduced Breach Risk
Limits exposure of sensitive data to significantly minimize the potential impact of a breach or compromise.
Secure AI Enablement
Supports machine learning workflows using tokenized data while preserving relationships required for modeling.
Key Features
PCI Level 1 Tokenization
Meets PCI DSS Level 1 standards with Vaulted and Critical engines, including secure support for sensitive CVV data.
Cloud-Native Scale
Designed for cloud warehouse performance, handling 100,000+ tokenization operations per second without impacting analytics workload
Upstream Tokenization API
Tokenizes sensitive data at ingestion through ETL and ELT pipelines before it ever enters your environment.
Snowflake Native Control
Uses Snowflake external data tokenization and masking policies to enforce access automatically without code changes or added layers.
Flexible Token Types
Supports deterministic and non-deterministic tokens for analytics use cases and stronger protection requirements across environments.
Bring Your Own Key (BYOK)
Enables full control of encryption keys through your preferred key management system without any vendor key custody.
No Matter the Industry, Your Data Is Protected
For industries handling vast amounts of sensitive data, security can’t get in the way of getting things done. ALTR’s Tokenization protects what matters most while enabling secure data use across your operations.
Finance
Secures credit card numbers, account details, and transaction histories, maintaining format for fraud detection, compliance audits, and real-time processing.
Healthcare
Protects patient identifiers and medical records, enabling secure data sharing between providers while supporting HIPAA and other privacy requirements.
Retail
Secures customer payment details and loyalty program data, ensuring secure transactions without slowing checkout or loyalty integrations.
Government
Protects sensitive identifiers like Social Security numbers and driver’s license data, enabling secure, controlled data sharing across agencies.
Just Ask Our Customers
Tokenization helped Q2 protect sensitive data in transit before it entered their environment—minimizing exposure while maintaining the performance and scale required to support over 1,400 financial institutions.
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Frequently Asked Questions
What is data tokenization?
Tokenization is a data protection method that replaces sensitive data with a non-sensitive token, while storing the original value securely in a separate vault. The token has no meaningful relationship to the original data, reducing exposure risk while preserving usability for analytics and operations.
What's the difference between tokenization and format-preserving encryption?
Both FPE and tokenization protect sensitive data while preserving its usability, but they work differently. Tokenization replaces sensitive values with surrogate tokens that have no meaningful relationship to the original data; the mapping between token and original value is stored and managed separately. FPE is a true cryptographic operation: the ciphertext is mathematically derived from the original value using a key and algorithm, and can be reversed with the correct key. FPE is often better suited for high-throughput environments where managing token mappings at scale adds complexity, while tokenization is a strong choice when you want to remove any derivable relationship between the protected value and its substitute entirely.
What's the difference between tokenization and data masking?
Tokenization replaces sensitive data with a non-sensitive token and stores the original securely, removing exposure risk entirely. Data masking transforms data in place (e.g., hiding or partially showing values) so it remains usable but controlled.
How does ALTR integrate with Snowflake?
ALTR uses Snowflake’s external tokenization architecture, the purpose-built method Snowflake provides for integrating tokenization directly into the data platform. Access control is enforced through Snowflake’s native masking policy engine: when a user queries a tokenized column, the masking policy evaluates their authorization and calls an ALTR external function to resolve the real value if permitted. Unauthorized users see only the token. There’s no custom SQL, no application code to change, and no new access layer to manage, just policy defined in ALTR, enforced natively by Snowflake.
What's the difference between Vaulted and Critical tokenization?
Vaulted tokenization is ALTR’s general-purpose engine for protecting PII, PCI data, and any sensitive structured value at scale. Critical tokenization is our specialized engine for payment card environments, validated for CVV handling, and PCI DSS Level 1 certified. Most organizations start with Vaulted; organizations that need to handle CVVs require Critical.
Does ALTR support deterministic tokens?
Yes. Deterministic tokens map a single input value consistently to the same token — enabling analytics joins, cohort analysis, AI model training, and any use case requiring referential integrity. Non-deterministic tokens generate a new token for each tokenization event, providing maximum security in contexts where consistency isn’t required.
How is pricing structured?
Tokenization is a usage-based add-on to ALTR’s platform pricing, based on the number of tokens created and the volume of detokenization operations. Contact ALTR for specific pricing.