Cryptographic tools to easily protect your apps

Worry less, deliver more


Themis - high level cryptosystem engine Acra - modern database encryption suite Hermes - crypto-based rights management Toughbase - sensitive data lifecycle protection
  • Themis

    Themis: integrate data protection into your code Cryptosystems library that provides transport, authentication, and data-at-rest protection. Get going fast, easily, across many platforms. Read more Get Themis

  • Acra

    Acra: protect sensitive data in your web app Integrate encryption proxy into your app: offload sensitive operations to a special node and stop worrying about breaches, injections, and leaks. Read more Get Acra

  • Hermes

    Hermes: manage access cryptographically Map the rights to cryptographic keys using crypto-based ACL framework for various storage models - documents, databases, filesystems. Read more Github (soon)

  • Toughbase

    Toughbase: data lifecycle protection, end-to-end Store, control access and usage of data between clients in your infrastructure with end-to-end cryptography. Read more

Data security tools for application developers

Open-Source Crypto

Core crypto/security modules are always available in open-source, all the time, under Apache 2 and GPL licences.

All-encompassing defence

Deploy end-to-end and traditional defence schemes with cross-platform tools in convenient packaging.


Enterprise stack support, automated configuration management, policies, audit log, and other conveniences.

Recent blog posts


Cossack Labs develop convenient data security tools and help clients across different industries to minimise losses from security incidents and breaches.
We're a British company, headquartered in London, with R&D office in Kiev, Ukraine.
We all have long experience of developing mission-critical applications with strong security demands, in a human friendly form.
Built by engineers for engineers: around 66% of management still coded something within the last few years.
Strong cryptographic expertise:
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Copyright © 2014-2017 Cossack Labs Limited
Cossack Labs is a privately-held British company with a team of data security experts based in Kyiv, Ukraine.