About us
IT security made in Germany – since 1999

ISL Internet Sicherheitslösungen GmbH, based in Bochum, has been developing innovative and future-proof IT security solutions since its foundation in 1999. As a leading German software manufacturer in the field of IT security, particularly network access control (NAC), we support our customers in meeting the ever-growing challenges of the digital and regulatory environment.

Solutions
In addition to our proprietary solutions ARP-GUARD and CLIENT-GUARD, which stand for comprehensive network security and endpoint compliance, our portfolio includes other security services such as our security operations platform COCKPIT for manufacturer-independent and end-to-end security concepts with our own 24/7 SOC service and IDENTITY as a Service as a comprehensive CIAM & IAM solution.
Discover how companies across a wide range of industries are using our IT security solutions to protect their networks and future-proof their businesses.
Our sales partners are important ambassadors for our solutions—with their combined expertise and regional proximity, they bring IT security to companies of all sizes.
Together with strong technology partners, we develop solutions that promote independence, security, and innovation in the digital space.