Private company
Secunet Security Networks
Logo: Secunet Security Networks AG, Public domain, via Wikimedia Commons4
German information security and networking company
secunet Security Networks AG (known as Secunet) is a German cybersecurity company headquartered in Essen. It develops information-security products and services for public authorities, defence and security organisations, critical infrastructure operators and businesses. The company develops the SINA (Secure Inter-Network Architecture) secure-networking system, which was commissioned by the German Federal Office for Information Security (BSI) in 1999 and is used in government, security-cleared businesses and critical infrastructure.2 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
Overview
- HeadquartersEssen1
- Websitewww.secunet.com
- Legal formAktiengesellschaft1
- LEI391200N3TQNVUCU8N0393
- StatusActive3
- LEI statusIssued and current3
- Registered addressKurfürstenstr. 58, 45138 Essen, Germany3
- Registered withLocal Court Essen, HRB 136153
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secunet Security Networks AG (known as Secunet) is a German cybersecurity company headquartered in Essen. It develops information-security products and services for public authorities, defence and security organisations, critical infrastructure operators and businesses. The company develops the SINA (Secure Inter-Network Architecture) secure-networking system, which was commissioned by the German Federal Office for Information Security (BSI) in 1999 and is used in government, security-cleared businesses and critical infrastructure.2
Corporate structure
Secunet Security Networks is part of a group headed by MC Familiengesellschaft mbH. 13 entities, 5 countries on record. Switch between the flow chart and the network, and select any entity to see its details.
- MC Familiengesellschaft mbH München, Germany
- Giesecke+Devrient Gesellschaft mit beschränkter Haftung München, Germany
- Secunet Security Networks Essen, Germany
- Giesecke & Devrient Grundstucksgesellschaft mbH & Co. KG (Giesecke & Devrient Grundstücksgesellschaft mbH & Co. KG) Subsidiary · Grünwald, Germany
- GIESECKE + DEVRIENT EPAYMENTS IBERIA S.A. Subsidiary · Prat De Llobregat (El), Spain
- Giesecke+Devrient advance52 GmbH Subsidiary · München, Germany
- Giesecke+Devrient Currency Technology GmbH Subsidiary · München, Germany
- Giesecke+Devrient Immobilien Management GmbH Subsidiary · München, Germany
- Giesecke+Devrient Mobile Security Germany GmbH Subsidiary · München, Germany
- Giesecke+Devrient Mobile Security Sweden AB Subsidiary · Stockholm, Sweden
- jyzky +dfrynt ltknwlwjya almlt m m h (جيزكي +دفرينت لتكنولوجيا العملة م م ح) Subsidiary · Dubai, United Arab Emirates
- Netcetera AG Subsidiary · Zürich, Switzerland
- Veridos GmbH Subsidiary · Berlin, Germany
- Giesecke+Devrient Gesellschaft mit beschränkter Haftung München, Germany
Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0). Each entity in the chart links to its source.
Leadership
Who has led Secunet Security Networks, and when. Pick a name to see everywhere that person has worked.
Chief executive
- Chief executive officerMarc-Julian Siewert Jul 2025 to now1
Products and brands
With its products and services, Secunet primarily focuses on clients in the public administration and ministries, the healthcare sector, the defense and space sector as well as specifically security and police agencies.
Secure Networking
One of Secunet's premier products is the SINA (Secure Inter-Network Architecture) product line which was co-developed with Germany's Federal Office for Information Security (BSI). The SINA architecture forms the basis for Germany's classified information networks and is used in a broad range of public institutions in Germany and abroad. The architecture is accredited to the NATO and EU SECRET classifications and includes network encryptors and workstations as well as communication devices, such as encrypted phones.
Border Control
Secunet is the producer of EasyPASS, an automated border control system used at airports and border check points in Germany and a number of EU countries.
Healthcare
Germany's electronic healthcare infrastructure is partially based on Secunet products.
From Wikipedia’s article on Secunet Security Networks, shared under CC BY-SA 4.0.5
Subsidiaries and ownership
Parent company (GLEIF)
Ultimate parent
Ownership links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); each one cites its LEI record.
Timeline
Links
- Websitewww.secunet.com1
- X (Twitter)x.com/secunet_AG1
- LinkedInwww.linkedin.com/company/secunet-security-networks-ag1
- WikipediaSecunet Security Networks
- More imagesWikimedia Commons
- WikidataQ2264056
Sources
The numbers on this page point here. Each one links to the record it came from.
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