Transparent encryption for SQL Server on Windows and Linux

DbDefence is a database encryption software. DbDefence for Microsoft SQL Server provides data-at-rest encryption and additional level of protection for databases.

DbDefence can hide table structure and data from prying eyes, even from DBA!

DbDefence gets algorithm validation from NIST

National Institute of Standards and Technology (NIST) has validated DbDefence's database encryption algorithm.

This technology, which is used for strong database encryption, is a core component of Activecrypt's solutions for database security. DbDefence's algorithm validation in NIST's Cryptographic Algorithm Validation Program can be seen here.

DbDefence for MS SQL Server for Linux available!

DbDefence now runs on Linux!

Please contact us for more details.

For large companies/vendors: ONE license for ALL SQL Servers

For large companies and software vendors Activecrypt Software offers "Unlimited servers" license:

  • All servers in your company
  • DbDefence as a part of your software
  • Perpetual license. One-off payment
  • Low annual support-and-updates costs
  • All SQL Server editions

New DbDefence 8 supports SQL Server 2019

We are pleased to announce our latest release - DbDefence 8 with full support of SQL Server 2019. DbDefence provides strong data-at-rest encryption, protects the database and logic from being viewed or modified.

Download | Pricing | Schedule a demo

New: Data Masking with DbDefence

Data masking is a special way of encrypting and displaying sensitive data. Unauthorized users or applications see data in masked form. For example "****-****-****-9363" or "0000 0000 0000 0000" for credit cards. Authorized users or applications see the data transparently in its original form.

Top features

  • Can be used as alternative to TDE
  • Supports Data Masking
  • Supports SQL Server 2019, 2017, 2016, 2014, 2012, 2008 R2, 2008, 2005 including SQLExpress and LOCALDB
  • FIPS 140-2 validated encryption for GDPR, HIPAA and HITECH, PCI Compliance Software (more)
  • Uses hardware accelerated 128-bit and 256-bit AES encryption to completely encrypt database files
  • Can hide schema, data and SQL statements even from DBA
  • Can work absolutely transparently for desktop,services and web applications
  • Can encrypt SQL statements sent over network
  • Automatically encrypts backups
  • Supports Replication, Log Shipping, HA groups and Mirroring
  • Free version for databases less than 30 MB

What our customers have to say

Cytec Solutions, UK
CoreTEC, Kenya
Pharmasea, Australia
Wealden, UK
Ksoft, Argentina

Among our customers

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Examples of usage

Encrypt and protect databases with no programming.

Web or Desktop applications: Encrypting database for popular web CMS.


Prices start from $698 per server. Flexible upgrade policy. Read more.


Download latest free version here. Absolutely free for databases less than 30 MB.

For Developer

To encrypt databases we have GUI, command line, API and VB.NET example.