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Secunet Security Networks AG, commonly written in lower case as: secunet, is a manufacturer of security solutions for computer and data networks, with its head office in Essen (Germany). The company was founded in 1996 and is especially known for its range of SINA network encryptors, that were developed on behalf of the German Federal Office for Information Security (BSI) [A].

Secunet company logo. Copyright Secunet Security Networks AG [1].

SINA products on this website
SINA bulk encryptor for IP-based networks
SINA Communicator H
SINA Communicator H (red)
Known Secunet products
  • SINA IP Encryptor
  • SINA Workstation E/H Client V
  • SINA Workstation H R RW11 (laptop)
  • SINA Workstation S (laptop)
  • SINA L3 Box H 200M
  • SINA L3 Box E 400M
  • SINA Terminal H
  • SINA Communicator H
  • SINA Communicator H (red)
Known customers
  • Bundespolizei
  • Kantonspolizei Zürich
  • Bundesministerium des Innern
  • Auswärtiges Amt
  • Bundesministerium der Verteidigung
  • Bundesministerium für europäische und internationale Angelegenheiten
  • Bundeswehr
  • NATO

  • BMW
  • Continental
  • Audi
  • Claas
  • Berliner Wasserbetriebe
  • Emscher Lippe
  • Gelsenwasser
25 years Secunet
Source: YouTube, Photoagentur Roth (2022) [2].

  • 1996
    Secunet founded in December 1996
  • 1999
    SINA launched
  • 2003
    Start of SINA Workstations
  • 2004
    Secunet becomes security partner of the German Government
  • 2009
    Secunet eID PKI Suite introduced
  • 2014
    First secunet easygate installed
  • 2015
    SINA approved for NATO SECRET [1]
  • 2017
    Nearly 100,000 SINA solutions in use in over 30 countries
  • 2018
    Secunet Konnektor introduced
  • 2019
    Secustack founded (joint venture with Cloud&Heat)
  • 2021
    SINA Communicator H introduced
  • 2022
    25th anniversary
    Secure networking in the Industrial Internet of Things (IoT)
    Acquisition of SysEleven cloud intrastructure
On 28 January 2023, German magazine Der Spiegel published a story about Jan Marsalek, former manager and key player in the Wirecard fraud scandal in which billions of Euros were lost. Accor­ding to Der Spiegel, Marsalek – an Austrian citizen – had been spying for at least 10 years for the Russian intelligence service FSB [5]. In 2019, with help from the FSB, Marsalek fled to Moscow where he has since been living under several false identities.

In a follow-up article of 3 April 2024, Der Spiegel revealed that in November 2022, Marsalek had provided the Russian FSB with a laptop with SINA Technology [4]. It is currently unclear what this means for the security of the equipment, which is also used by NATO. It is possible that it was used by the Russian to find vulnerabilities that could be exploited, but it is also possible that it was used to learn from, in order to improve their own security.

  1. Secuview 2 - 2021
  1. Secunet company brochure, encrypt, trust, protect
    Janury 2017. 24 pages.
  1. Secunet AG, Corporate website
    Retrieved February 2018.

  2. Photoagentur Roth, 25 Jahre Secunet
    YouTube, 2022.

  3. Press release, NATO SECRET approval for SINA
    Secunet, Essen (Germany), 2 February 2015

  4. Zugelassene SINA Produkte
    Approved SINA products (German).
    Retrieved 4 April 2024.

  5. Wie Jan Marsalek Österreichts Verfassungsschutz ausspionierte
    Lucia Heisterkamp and Antonia Rauth.
    Der Spiegel, 28 January 2023 (German).

  6. Ex-Wirecard-Manager Jan Marsalek lieferte Geheim-Laptop an russische Agenten
    Roman Dobrokhotov, Christo Grozev, Roman Lehberger and Fabian Schmid.
    Der Spiegel, 3 April 2024 (German).
Further information
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Crypto Museum. Created: Monday 12 February 2018. Last changed: Thursday, 04 April 2024 - 09:35 CET.
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