We make the Internet a safer place!

Become part of the team

Link11 is the leading European IT security provider in the field of cyber-resilience headquartered in Germany, with sites worldwide in Europe, North America, Asia and the Middle East.  The cloud-based security services are fully automated, react in real-time and defend against all attacks, including unknown and new patterns, in under 10 seconds.  According to unanimous analyst opinion (Gartner, Forrester) Link11 offers the fastest detection and mitigation (TTM) available on the market. The German Federal Office for Information Security (BSI) recognizes Link11 as a qualified DDoS protection provider for critical infrastructures.

To ensure cyber-resilience, web and infrastructure DDoS protection, Bot Management, Zero Touch WAF and Secure CDN Services among others provide holistic and cross-platform hardening of business' networks and critical applications.  The 24/7 operated Link11 Security Operation Center, which is located at sites in Germany and Canada according to the follow-the-sun principle, provides the reliable operation of all systems and manages the expansion of the global MPLS network with 41 PoPs and more than 4 Tbps capacity. Guaranteed protection bandwidths of up to 1Tbps provide maximum reliability.  International customers can thus concentrate on their business and digital growth. Since the company was founded in 2005, Link11 has received multiple awards for its innovative solutions and business growth.

Lots of expertise and even more passion

The Link11 management board

Working hand in hand with a powerful team, the management board steers Link11 into the future. Jens-Philipp Jung and Karsten Desler have been building the company and ensuring its success since 2005. The owner-managed company expanded its management team in 2017 to set course for international growth. All three managing directors contribute their particular strengths, passion and expert knowledge to the company.


Jens-Philipp Jung

Co-founder Jens-Philipp Jung serves as a managing director of the Link11 GmbH based in Frankfurt am Main and is responsible for commercial operations. He is a renowned IT expert and a contributor to the ICT strategy of the Federal Ministry of Education. As one of the youngest entrepreneurs of Baden-Württemberg, Jung founded his first IT company while still in school. Within the regional section of Die Jungen Unternehmer (“young entrepreneurs”), he works with dedication to promote optimal entrepreneurial conditions in Germany.


Karsten Desler

Co-founder and managing director Karsten Desler’s responsibility at Link11 is the continuing technical development process. Patents have been filed for three features of his multi-award-winning Link11 DDoS protection solution. Apart from the continuing development of DDoS protection technology, his role encompasses system and network administration duties for the server hosting and CDN services. He co-founded Link11 GmbH with Jens-Philipp Jung in 2005, when he was still studying computer science.


Marc Wilczek

In his capacity as managing director with Link11, Marc Wilczek is responsible for strategic business development, growth initiatives as well as marketing and sales. Prior to his current position, he worked in an executive capacity for the Deutsche Telekom group, as an Asia-Pacific, Latin America, Middle East and Africa senior vice president for the e-health corporation CompuGroup Medical and headed Asian business operations for the IT security provider Utimaco Safeware (now Sophos), among other roles.

Numerous Awards for
innovation and reliability