We Secure IoT.

Encrypt your IoT data and manage devices in the simplest and most efficient way.

Teserakt's agentless solution E4 works without a PKI and runs on all platforms.

Discover E4


Teserakt is a Swiss firm specialized in security and cryptography for complex systems, founded in September 2018 in Lausanne, Switzerland. Our team combines expertise in industrial cryptography, embedded systems security, and large-scale production servers. We designed algorithms and software now used in the Linux kernel as well as Apple and Google software, and are recognized internationally. Our customers are in diverse industries and located in EU and the US.



  • JP Aumasson, Managing director, Founder – Cryptographer, PhD – Lausanne, CH
  • Antony Vennard, Chief engineer – Embedded security specialist – Lausanne, CH
  • Flavien Binet – Chief architect – Back-end engineering specialist – Luxembourg
  • Emmanuel Odeke, Technical advisor – Cloud systems expert – Palo Alto, CA, USA
  • Marine Robin, Head of Operations – Marketing specialist – Lausanne, CH





Please see our LinkedIn and Twitter feeds for all company news. Some highlights below:

  • 2020/01/29 · Our collaboration with MongoDB is announced
  • 2020/01/20 · Wired article about Teserakt An Open Source Effort to Encrypt the Internet of Things
  • 2020/01/09 · We open-source E4 client libraries.
  • 2019/11/07 · We talk at NIST's Lightweight Cryptography workshop in Gaithersburg, MD
  • 2019/09/24 · We talk at the Connected Smart Cars and Vehicles Forum in Berlin
  • 2019/06/01 · Teserakt ranks 2nd in the >>venture>> contest, out of 150+ companies
  • 2019/04/03 · Teserakt is awarded PwC Switzerland's SecTech Award
  • 2019/03/04 · Publication of the report Is MQTT secure?

Contact Us

 [email protected]

Please don't hesitate to get in touch for any question or demo request. For higher confidentiality, please consider using our PGP key or contact us on Wire at @teserakt. Feel free to use our press kit.