Application-Level Encryption for Sensitive Data

Protect sensitive values before they reach the database, without spreading crypto logic, key handling, and decrypt behavior across every application. Ubiq provides SDKs, APIs, and integrations that centralize protection, keys, and policy, 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

GCash
Globe Telecom
Schneider Electric
DBS Bank
Fortune100
Prive Technologies
Human Managed
U.S. Department of Homeland Security
AFWERX (U.S. Air Force)
U.S. Army
PioPac Fidelity
Capt Andy's Sailing Adventures
Fortune50

Independently attested

SOC 2SOC 2 Type IIPCI DSSPCI DSS SAQ-DCMMCCMMC 2.0 Level 1

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. Because the value is protected before storage, the protected representation can flow through databases, replicas, queues, logs, backups, and downstream systems instead of relying only on database encryption at rest. The challenge is not application-level encryption itself. The challenge is doing it consistently across many services without scattering crypto libraries, keys, decrypt logic, and policy decisions across every application.

Protection that travels with the value

Because the value is protected in the application before storage, the protected representation stays protected across services, databases, replicas, queues, logs, and backups, not just where a single database protects it at rest.

Less plaintext exposure database-side

Protecting values before they are written reduces cleartext exposure in the database and its backups. Application-level encryption is the right place to protect sensitive values before they reach the database.

Reduces regulated data scope

Because sensitive values are protected before they reach storage, fewer systems hold cleartext. That can reduce the number of databases, backups, and downstream systems that fall in scope for standards like PCI DSS, HIPAA, and GDPR.

Application-level encryption protects sensitive values before they reach the database, so the protected representation stays protected as it flows across services, replicas, queues, logs, and backups.

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 protected in application code before they are written to a database, queue, log, or downstream system. This keeps plaintext out of the storage layer, but can create crypto and key-management sprawl when every team implements it differently.

Client-side or driver-side encryption

Values are protected in the client or driver layer before they leave the application boundary. This can reduce database-side plaintext exposure, but is often platform-specific and can affect queries, indexing, and developer workflows.

Proxy or gateway encryption

A proxy or gateway between the application and the database protects values on their way to storage. This can centralize some encryption logic, but adds an inline component in the data path and may not cover every service, queue, or downstream system.

How application-level encryption works

The application encrypts data before it is stored. Later, an authorized application path reads the protected value and decrypts it to return cleartext.

Write path

1Cleartext enters the application
NameJane Doe
Card4111 1111 1111 1111
Emailjane.doe@example.com
2Application encrypts inside the app
Application
SDK / crypto library
3Protected data is written into the database table
Database

Table: Customers (stored protected values)

FieldStored value (protected)
Name8F2A-C71B-4E09
Card number9X2M-7K4Q-4471
EmailTKN-5530-8821

Read path

6Cleartext is returned to the application / user
NameJane Doe
Card4111 1111 1111 1111
Emailjane.doe@example.com
5Application decrypts in the app
Application
SDK / crypto library
4Application reads protected data from the database
Database

Table: Customers (stored protected values)

FieldStored value (protected)
Name8F2A-C71B-4E09
Card number9X2M-7K4Q-4471
EmailTKN-5530-8821

What building application-level encryption yourself does not solve

Application-level encryption is powerful because it protects values before they reach the database. But when every application implements encryption separately, teams create new operational and security problems.

Crypto logic spreads across apps

Hand-rolled application encryption pushes crypto libraries, algorithms, protection formats, and decrypt behavior into each service. Every new application becomes another place where implementation mistakes, inconsistent patterns, and plaintext leaks can appear.

Key handling becomes everyone's problem

Without a centralized protection layer, teams have to decide where keys live, how they rotate, who can use them, how decrypt paths are audited, and how key access changes across applications, services, and environments.

Decrypt paths become cleartext exposure points

If an application, API, service account, or workflow is allowed to decrypt, it can become the path attackers target. A compromised application path may simply return cleartext unless runtime policy controls what that identity is allowed to receive.

Policy logic gets rebuilt over and over

Support, analytics, AI, service accounts, and admins often need different data outcomes. In unmanaged application encryption, teams usually have to build separate masking, tokenization, reveal, and policy logic inside each workflow.

Queries and workflows can break

Encrypted values can affect search, joins, sorting, indexing, analytics, and downstream processing. Teams need protection methods that preserve the right format and workflow behavior where needed, instead of forcing every application team to solve it alone.

Consistency does not scale

One application can encrypt a field correctly. Hundreds of applications, APIs, jobs, queues, databases, warehouses, and AI workflows are a different problem. Without centralized policy and protection logic, application-level encryption becomes fragmented and hard to govern.

Instead of every app owning its own crypto and reveal logic, Ubiq gives teams a governed protection layer they can call from applications, APIs, databases, warehouses, and AI workflows.

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

Billing app
Support analyst
Analytics API
AI agent

Protected customer record

Card number
9X2M-7K4Q-4471
Name
8F2A-C71B-4E09
Email
TKN-5530-8821

Real-time evaluation

Ubiq
Identity
Context
Policy

Runtime data outcome

Billing app

Cleartext

Authorized to process the full payment record

4716 5532 0091 4471Maria Chenmariac@acme.com

Support analyst

Masked

Confirms the record without reading full values

4716 •••• •••• 4471Maria Chenm••••@acme.com

Analytics API

Protected representation

Analyzes without exposing original identifiers

TKN-7K2M-4830Qenva Xltpx7kq2m9p@t4v8x.com

AI agent

Encrypted

Operates on ciphertext, never cleartext

9X2M-7K4Q-44718F2A-C71B-4E09TKN-5530-8821

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, and where centralized keys and policy keep protection consistent.

Payment and cardholder data

Protect PAN and cardholder values before they reach storage, while centralizing keys, policy, and runtime reveal behavior instead of rebuilding card-data protection separately in every service.

PII and PHI across services

Keep regulated values protected across microservices, queues, databases, logs, and backups while governing when each identity receives unprotected data or a protected representation.

Multi-tenant and SaaS data isolation

Protect tenant-sensitive values at the application layer so a single query, service account, or misconfigured workflow does not broadly expose another tenant's regulated data.

Analytics, BI, and data warehouses

Move protected values into warehouses and analytics workflows while returning approved protected representations to dashboards, queries, and notebooks.

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

Reduce what broad admin, service-account, and application paths can reveal by governing when unprotected values are returned through Ubiq-controlled policy.

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, the protected representation stays protected 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 protected across services and systems. Ubiq supports value-level protection 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 centralized keys and policy plus identity-governed runtime control over who can receive the unprotected value.

How is Ubiq different from traditional application-level encryption?

Traditional application-level encryption keeps plaintext out of the database, but unmanaged implementations often spread crypto logic, keys, decrypt behavior, and policy decisions across many services. Once a decrypting application path is trusted, it can return the same cleartext unless teams build separate masking, tokenization, and policy logic. Ubiq provides application-layer protection through SDKs and APIs while centralizing keys, policy, protection methods, and runtime outcomes.

Does application-level encryption require changing my application?

Some application-level encryption requires code changes because protection happens in application logic. Ubiq provides SDKs and APIs to make that integration straightforward, while also supporting SQL UDFs and database and warehouse integrations where appropriate. The goal is to add protection without forcing every team to design its own crypto, key handling, and policy model.

How does Ubiq handle encryption keys for application-level encryption?

Ubiq centralizes key management and policy for Ubiq-protected values, so teams do not have to scatter keys, crypto libraries, and decrypt logic across every service. Keys can be backed by a customer-managed HSM or KMS, and Ubiq deploys inside the customer environment so sensitive data and keys remain under customer 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.

Reveal sensitive data only to the identities authorized to see it.