Application-Level Encryption for Sensitive Data
Protect sensitive values in the application before they reach the database, so data stays encrypted across services, replicas, logs, and backups. Ubiq protects the value itself, then returns either the unprotected value or a configured protected representation at runtime based on identity, context, and policy.
Trusted in production by security & data teams
Independently attested
SOC 2 Type II
PCI DSS SAQ-D
CMMC 2.0 Level 1What is application-level encryption?
Application-level encryption protects sensitive values inside the application, before they are written to a database or sent to another system. It is sometimes called application-layer or client-side encryption. Because the value is protected at the application, it stays encrypted as it flows through databases, replicas, message queues, logs, and backups, instead of relying on a single database to protect it at rest. Traditional application-level encryption stops there: it protects the value but does not decide who can read it in cleartext. Ubiq governs that decision at runtime.
Protection that travels with the value
Because the value is encrypted in the application before storage, the protected value stays encrypted across services, databases, replicas, queues, logs, and backups, not just where a single database protects it at rest.
Less plaintext exposure database-side
Encrypting before data is written reduces cleartext exposure in the database and its backups, but it does require application logic, driver or SDK support, and consistent key handling across services.
Identity-based reveal with Ubiq
Ubiq protects sensitive values and applies centralized identity, context, and policy at runtime, returning either the unprotected value or a configured protected representation based on the requesting identity, application, service account, API, or workflow.
Application-level encryption protects values before they reach the database. Ubiq protects sensitive values and controls what each identity receives at runtime.
Application-level encryption can mean different architectures
Application-level encryption describes related approaches with different deployment models, limitations, and operational trade-offs.
Application-layer encryption
Values are encrypted in application code before they are written to a database, so they stay encrypted across services, replicas, queues, logs, and backups. It requires application logic and consistent key handling.
Client-side encryption
Values are encrypted in the client or driver layer before they leave the application boundary. It reduces database-side plaintext exposure but is often platform or driver specific.
Ubiq value-level protection
Ubiq protects sensitive values and applies identity, context, and policy at runtime, returning either the unprotected value or a configured protected representation.
What application-level encryption does not solve
Application-level encryption keeps values protected across systems, but as a protection technique it still leaves real gaps. Once a service is authorized to decrypt, the same cleartext is typically returned through that path.
Encryption does not decide who reads cleartext
Once an application or service is authorized to decrypt, traditional application-level encryption returns the same cleartext through that path, regardless of role, context, or policy.
Application and key-handling complexity
Hand-rolled application-level encryption spreads keys, crypto libraries, and decryption logic across services, which is hard to rotate, audit, and keep consistent as more values are protected.
Query and workflow impact
Encrypting values in the application can affect queries, joins, sorting, indexing, and downstream processing unless protection is designed to preserve format and workflow compatibility.
Access is treated as all or nothing
Traditional implementations often require separate application logic, database views, or downstream controls to avoid exposing full cleartext to analytics, support, and AI workflows.
Ubiq protects the value itself, then returns the right protected or unprotected version at runtime based on identity, context, and policy.
How Ubiq works
Same sensitive data. Different identities. Different runtime outcomes.
Once a value is protected in the application, Ubiq evaluates the requesting identity, context, and policy at runtime, then returns either the unprotected value or a configured protected representation that identity is authorized to receive.
Access request
Protected employee record
- Employee ID
- EMP-3X9Q-1182
- Name
- Maria Chen
- maria@acme.com
- Salary
- $142,800
Real-time evaluation
Runtime data outcome
HR app
CleartextAuthorized to process the full employee record
Support analyst
MaskedNeeds to confirm the record, not read all fields
Analytics API
TokenizedAuthorized for analysis without exposing original identifiers
AI agent
EncryptedOperates on ciphertext, never cleartext
Protected once. Resolved differently at runtime for each identity.
Where teams use application-level encryption
Application-level encryption protects regulated values before they reach the database. These are the workflows where it matters most.
Payment and cardholder data
Protect PAN and cardholder values in the application before storage so card data stays encrypted across services, ledgers, and backups, helping narrow PCI DSS scope.
PII and PHI across services
Protect names, SSNs, and health identifiers at the application so regulated values stay encrypted across microservices, databases, queues, and backups.
Multi-tenant and SaaS data isolation
Encrypt tenant-sensitive values in the application so a single query or misconfiguration does not broadly expose another tenant's regulated data.
Analytics, BI, and data warehouses
Keep sensitive values protected as they flow into warehouses and return approved protected representations to dashboards and queries.
AI, RAG, and agent workflows
Keep sensitive source fields protected and identity-governed while AI, retrieval, and agent workflows operate through approved representations and policy-controlled access paths.
Overprivileged access and insider risk
Limit what broad DBA, admin, and service-account access can reveal by protecting values in the application and governing when unprotected values are returned through Ubiq-controlled paths.
Ubiq is built to fit your environment
Ubiq deploys inside your own environment and integrates where sensitive data already lives, so teams adopt it without heavy operational friction.
SDKs and APIs
Add protection with a few lines of code across major languages, live in minutes.
Database and warehouse integration
Protect and reveal values through SQL UDFs and native database and data warehouse integrations.
Application and API patterns
Integrate at applications, services, and API gateways without rearchitecting them.
Identity provider integration
Reuse your existing IAM so runtime decisions follow the identities you already manage.
Customer-managed keys
Bring your own HSM or KMS so key control stays with your team.
No agents, proxies, or schema changes
Deploy with no proxies in the data path and no database schema changes where applicable.
Frequently asked questions
What is application-level encryption?
Application-level encryption protects sensitive values inside the application, before they are written to a database or sent to another system. It is sometimes called application-layer or client-side encryption. Because the value is protected at the application, it stays encrypted as it flows through databases, replicas, queues, logs, and backups, rather than relying on a single database to protect it at rest.
What is the difference between application-level encryption and database encryption?
Database encryption protects data inside a specific database, often at rest through transparent database encryption or for selected columns. Application-level encryption protects values before they reach the database, so they stay encrypted across services and systems. Ubiq supports value-level protection patterns across applications, APIs, databases, warehouses, and AI workflows, with runtime policy determining whether an identity receives the unprotected value or a configured protected representation.
How is application-level encryption different from client-side encryption?
The terms overlap. Client-side encryption usually emphasizes protecting values in the client or driver layer before they leave the application boundary. Application-level encryption is the broader pattern of protecting values in application code before storage. Both reduce database-side plaintext exposure, and Ubiq adds identity-governed runtime control over who can receive the unprotected value.
How is Ubiq different from traditional application-level encryption?
Traditional application-level encryption protects the value but returns the same cleartext to any authorized caller. Ubiq protects the value with encryption, tokenization, or format-preserving protection, then evaluates identity, context, and policy at runtime and returns either the unprotected value or a configured protected representation that identity is authorized to receive.
Does application-level encryption require changing my application?
Some integration is required because protection happens in application code, but it does not have to mean heavy rework. Ubiq integrates through SDKs and APIs, SQL UDFs, and database and warehouse integrations, and can preserve format compatibility where needed, so teams add protection without rearchitecting applications or queries.
How does Ubiq handle encryption keys for application-level encryption?
Ubiq provides integrated key management so teams do not have to spread keys, crypto libraries, and decryption logic across services. Keys can be backed by a customer-managed HSM or KMS, and Ubiq deploys inside your environment so sensitive data and keys never leave your control.
Can application-level encryption help with PCI DSS, HIPAA, and GDPR compliance?
Yes. Protecting cardholder data, PII, and PHI in the application reduces the systems that can expose regulated values in cleartext, which helps narrow PCI DSS, HIPAA, and GDPR scope. Because Ubiq governs which identities can receive the unprotected value at runtime, plaintext access is controlled by identity and policy rather than left open to any authorized service.