Digital sovereignty begins with control, transparency, and security over one's own IT infrastructure.

    Digital sovereignty means being able to control IT systems, data, and access in a self-determined, secure, and independent manner at all times. In an increasingly interconnected and digital world, it is becoming a critical factor for business continuity and IT resilience.

    We help companies regain precisely this control—with cutting-edge cybersecurity solutions from Germany. This results in greater transparency, protection, and true independence in the IT infrastructure.

    As an experienced provider in the field of cybersecurity, we support companies not only technologically but also strategically on their path to a secure and sovereign IT security landscape. Through practical consulting, strong integration into existing systems, and a clear focus on network security, we create sustainable solutions tailored to the real-world requirements of modern businesses.

     

     

    More than 25 years of experience

    For more than two decades, we have built up extensive expertise in the field of network security and have a deep understanding of the specific requirements of a wide range of industries.

    Expertise under one roof

    From consulting and development to operation, we bring all services together under one roof, providing end-to-end security from a single source. 

    Solutions that adapt

    Our developments are tailored to the needs of our customers and partners, creating flexible, practical solutions for modern IT and security infrastructures.

    Cybersecurity Solutions

    ARP-GUARD - Network Access Control

    With ARP-GUARD, you can secure your entire network using a powerful Network Access Control (NAC) solution “Made in Germany.” All devices—whether known or unknown—are automatically detected, classified, and controlled. This ensures maximum transparency and prevents unauthorized access in real time.

     

    • Set of rules for your network (from quarantine VLANs to port shutdown)
    • Maintaining network integrity in heterogeneous network structures
    • Vendor- and technology-independent solution (multi-vendor strategy)
    • Mixed operation of SNMP and MAC-based RADIUS as well as 802.1X
    ARP-GUARD

    COCKPIT - The central security operations platform for your entire IT security infrastructure

    We offer seamless security operations on a single platform with 24/7 SOC support. Your existing security solutions are consolidated, orchestrated, and made transparent, backed by approximately 100 SOC analysts and security experts at our in-house Security Operations Center (SOC).
     

    • Continuous purple teaming for a hardened IT security landscape
    • To meet NIS-2 & NIST compliance requirements
    • With a total of 4 SOC locations in Europe
    • All as a managed service
    Cockpit

    IDENTITY - The Solution for (Customer) Identity & Access Management

    Identity is a SaaS-based (C)IAM solution developed in Germany and delivered from our certified German cloud, ensuring secure application usage with centralized authentication, access control, and profile management in accordance with the latest security standards.

     

    • IAM & CIAM on a single central platform
    • SaaS delivered from our own certified and EU GDPR-compliant data centers
    • Multi-factor authentication, access management, profile management, and SSO for on-premises or cloud apps
    • Self-service, including CI customization
    Identity

        References

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        ADA Möbelwerke Holding AG

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        Deutsche Forschungsgemeinschaft e.V.

        Mercedes AMG GmbH

        Rotkäppchen-Mumm

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        Senatorin für Kinder und Bildung Bremen

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        Volksbank Stuttgart eG

        News

        Certification to ISO/IEC 27001:2022

        We are pleased to announce that we have officially and successfully completed the ISO 27001 audit for ISL Internet Sicherheitslösungen GmbH. The certificate has now been issued to us and confirms that our ISMS complies with the requirements of the internationally recognized ISO/IEC 27001:2022 standard. 

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        Interested?  

        Do you have any questions or would you like to find out more? 
        Our team is always available to provide end customers and partners with personal advice.

        ISL Internet Sicherheitslösungen GmbH
        operations​@​isl.de+49 234 976672-0
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