We make the
Internet a safer place!

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 multi-terabit network with 43 PoPs. 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.

Our Global Network

Globally distributed Link11 service clusters (14) and additional nodes in premium data centers (43+ POPs in total)
IP connection to leading Tier 1 & 2 carriers
24/7 Link11 Ops Model via own staff in two Network Operation Centers in Frankfurt and Vancouver
Multiple private peering relationships with major entities
Self-built cloud security platform, based on a Juniper network and premium server hardware
Self-engineered software as a complete in-house development running on the Link11 filter cloud
Links to the main public Internet exchange points

Highest level 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

CEO

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

CTO

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

COO

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.

Proven Excellency – Our Awards

As an IT expert, Link11 wins customers first and foremost through innovative solutions and a reliable and local customer service. In
addition to DAX groups, numerous leading companies from the e-commerce, finance and insurance, media, and production
industries trust in Link11’s unique DDoS protection.

That is why it is always an especially great honor for us here at Link11 when we receive awards in the fight against cyber criminality.

Link11 Awarded Patent for DDoS Protection Filter

The German Patent and Trade Mark Office (DPMA) has granted Link11 a patent on its cutting-edge DDoS protection technology in 2019. Link11’s patented technology detects, filters, and blocks attacks before they can even reach the IT systems of the company under attack.

Cybersecurity 500 List

In 2018, Link11 has managed to rank on the Cybersecurity 500 list once again, making it one of the most innovative IT security providers in the world.

Deloitte Technology Fast 50 Award

For the fourth time already, Link11 has received the Deloitte Technology Fast 50 Award. After the years 2012, 2013 and 2017, the prize was again given to the DACH-based IT security provider in 2018 with a ranking of 46th on the list of the fastest growing technology companies in Germany.

Cybersecurity 500 List

The 11th “Cybersecurity 500 list” distinguished the most innovative and the “hottest” companies in the worldwide cybersecurity industry. Link11 was one of only a few European companies listed and ranked number 395 in 2017. You can view the list here.

Deloitte Technology Fast 50 Award

After Link11 won the Deloitte Technology Fast 50 Award in 2013 and 2014, the IT experts did it again in 2017 and placed 34th among Germany’s strongest-growing technology companies. The complete list of winners is published here.

German Data Center Award

With the “DDoS Radar”, Link11 received the German Data Center Award 2016 [Deutscher Rechenzentrumspreis 2016] for the category “RZ-Software” [data center software]. You can find additional information about the German Data Center Award here.

Zeta Award from Digital Hub FrankfurtRheinMain

In 2014, Link11 received the Zeta Award from Digital Hub FrankfurtRheinMain for being a company that “has achieved demonstrable success for the development of a digital hub region, and especially the digital hub in FranfurtRheinMain, owing to its foresight and perseverance.” You can visit the website here.

Hosting & Service Provider Award

Link11 won first place in the infrastructure category of the Hosting & Service Provider Award 2014. Link11 received the award for its technical solution competence. You can find more information about the award here.

Deloitte Technology Fast 50 Award

In 2013, Link11 ranked number 13 among Germany’s fastest-growing technology companies. You can see the complete list here.

Deloitte Technology Fast 50 Award

In 2012, Link11 placed tenth among Germany’s fastest-growing technology companies. That was the first time the company received the Deloitte Technology Fast 50 Award. You can see the complete list of winners here.