Database Encryption for Sensitive Data
Transparent database encryption protects files, logs, and backups at rest. But once the database is running, authorized queries, applications, service accounts, and compromised credentials can still receive cleartext. Ubiq protects sensitive values themselves and controls whether each identity receives the unprotected value or a configured protected representation at runtime.
Trusted in production by security & data teams
Independently attested
SOC 2 Type II
PCI DSS SAQ-D
CMMC 2.0 Level 1What is database encryption?
Traditional database encryption, especially transparent database encryption (TDE), encrypts database files, transaction logs, and backups at rest. That helps if someone steals raw storage media or backup files. But it is a storage control, not a runtime data access control. When the database is running, authorized queries and application paths still receive cleartext, and TDE does not decide which identity should see the full value, a masked value, a protected value, or a format-preserving representation.
Encryption at rest for files, logs, and backups
TDE encrypts database files, transaction logs, and backups so raw storage and offline copies are protected. This helps when someone steals a disk, a backup, or a detached database file.
Transparent to authorized access
Once the database is running, TDE transparently decrypts data for authorized database and application paths. The protection is invisible to live queries, so any authorized path receives cleartext.
Not a runtime access control
Database encryption does not evaluate identity, context, or policy at request time. It cannot return a full value to one identity and a masked or protected representation to another.
Database encryption protects storage. Ubiq protects sensitive values from live access exposure.
What database encryption actually protects
Transparent database encryption protects database files, logs, and backups at rest. But once the database is running, authorized queries and application paths still receive cleartext.
What TDE protects
- Stolen disk
- Detached database file
- Lost or stolen backup
- Raw storage media
Live access requests
Cleartext returned through the authorized path
What TDE does not stop
- Compromised credential
- Abused service account
- Malicious query
- Overprivileged DBA or admin
- Compromised application or API
- Analytics / BI / notebook access
- AI workflow access
Database encryption protects stored files and backups. It does not decide which live identity should receive cleartext, masked data, or a protected representation.
Database encryption does not stop live data theft
TDE was built for offline storage risk. Modern attacks usually do not start with someone stealing a hard drive. They come through compromised credentials, overprivileged users, service accounts, applications, APIs, BI tools, notebooks, data pipelines, and AI workflows. To TDE, those requests look like normal database access, so the database decrypts the data and returns cleartext.
TDE does not protect data from authorized queries
Once the database is running, TDE transparently decrypts data for authorized database and application paths. If an attacker compromises a valid credential, application account, service account, or query path, TDE does not stop cleartext exposure.
Stolen credentials bypass at-rest encryption
At-rest encryption protects files. It does not know whether a live query is coming from a legitimate user, a compromised user, an abused service account, or an attacker-controlled application path.
DBAs and privileged paths remain dangerous
Native database encryption does not eliminate privileged access risk. DBAs, admins, services, and applications that can trigger decryption can still create cleartext exposure paths.
Backups are protected. Data access is not governed.
Encrypted backups are important, but they are not the same as runtime access control. If production, analytics, support, or AI workflows can request cleartext, database encryption alone does not reduce that exposure.
Protection stops at the database boundary
When data is exported, streamed, replicated, copied to a warehouse, logged, or sent to another workflow, database-native encryption often no longer controls the value. Teams need separate controls in each downstream system.
One database at a time does not scale
Native database encryption is configured database by database. It does not create one centralized policy layer across applications, APIs, databases, warehouses, analytics, and AI workflows.
Database encryption protects storage. Ubiq protects sensitive values from the authorized paths attackers actually use.
How Ubiq works
Same sensitive data. Different identities. Different runtime outcomes.
Once a value is protected, 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 Ubiq reduces live cleartext exposure
Database encryption protects regulated values at rest. These are the live-access workflows where Ubiq reduces cleartext exposure.
Compromised credentials and account abuse
Limit what a stolen credential or hijacked session can read in cleartext, so a valid login no longer automatically returns full sensitive values.
Overprivileged DBA and admin access
Keep sensitive values protected from broad database and admin paths, and govern when unprotected values are returned through Ubiq-controlled paths.
Application and service accounts
Stop shared service accounts and application paths from becoming a blanket cleartext channel into regulated data.
Analytics, BI, and notebooks
Return approved protected representations to dashboards, queries, and notebooks so analysts work with governed data instead of raw identifiers.
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.
Backups, replicas, and lower environments
Keep regulated values protected as they flow into backups, read replicas, and dev or test environments instead of relying on at-rest encryption that decrypts for any authorized path.
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 does database encryption actually protect?
Database encryption, especially transparent database encryption (TDE), encrypts database files, transaction logs, and backups at rest. It protects against stolen disks, detached database files, and lost backups. It is a storage-level control, so when the database is running it transparently returns cleartext to authorized queries and application paths.
Does TDE stop stolen credentials or insider access?
No. TDE was designed for offline storage theft. It does not stop a compromised credential, malicious query, abused service account, overprivileged analyst, DBA, application, API, notebook, or AI workflow from receiving cleartext through an authorized path. To TDE, those requests look like normal database access.
What is the difference between database encryption and Ubiq?
Database encryption protects stored files, logs, and backups. Ubiq protects the sensitive values themselves and evaluates identity, context, and policy at runtime, returning either the unprotected value or a configured protected representation across applications, APIs, databases, warehouses, analytics, and AI workflows.
Does database encryption protect data after it leaves the database?
Database-native encryption generally protects values inside the database where it is configured. When data is exported, replicated, streamed, copied to a warehouse, or logged, teams often need separate controls in the destination. Ubiq protects the value itself, so protection can persist as data moves downstream.
Will Ubiq slow down or break my queries?
Ubiq supports multiple integration patterns, including SDKs, APIs, SQL UDFs, and database and warehouse integrations, and can preserve format compatibility where needed, so teams add protection without rearchitecting applications or queries. There are no proxies in the data path.
How does Ubiq handle keys for database encryption?
Ubiq manages keys and policies for Ubiq-protected values. It does not replace your database's native TDE key system. Keys can be backed by a customer-managed HSM or KMS, and Ubiq runs inside your environment so sensitive data and keys remain under your control.
Can this help with PCI DSS, HIPAA, and GDPR compliance?
Yes. Protecting cardholder data, PII, and PHI at the value level and governing which identities can receive the unprotected value at runtime reduces the systems and paths that can expose regulated data in cleartext, which helps narrow PCI DSS, HIPAA, and GDPR scope.