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24/7 DDoS Emergency Hotline
 * +49 (0) 69-264929799
 * Contact
 * Kontakt
 * Login

 * English
   * German

 * About Link11
   * Partner
   * Carbon neutrality
   * Career
 * Services
   * DDoS Protection
     * Infrastructure DDoS Protection
     * Web DDoS Protection
   * Web Security Suite
     * Web DDoS Protection
     * Secure CDN
     * Bot Management
     * Secure DNS
     * Zero Touch WAF
   * Verticals
     * Hosting
     * Logistic
     * Banking & Finance
     * E-Commerce
     * Utilities
     * Online Gaming
     * Media
     * Public Sector
 * Benchmark
 * Blog
   * Threat Landscape
   * Press
   * Cyber Security
   * Events
 * Media Center
   * Security Wiki
   * Downloads
   * Webinars & Videos
   * Blog
 * 24/7 DDoS Emergency Hotline: +49 (0) 69-264929799
 * Schedule meeting
 * Emergency






ABOUT LINK11


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.

Link11 is the leading European IT security provider in the field of protecting
web services and infrastructures against cyber-attacks. Headquartered in
Germany, Link11 maintains global locations, including in Europe, North America,
and Asia. The company’s cloud-based IT security services help customers avoid
business disruptions and strengthen the cyber-resilience of their business
networks and critical applications.

Link11’s product portfolio includes a wide range of security services, such as
web and infrastructure DDoS protection, Bot Management, Zero-Touch WAF, and
Secure CDN Services. According to unanimous analyst opinion (Frost & Sullivan,
Gartner a. o.), Link11 offers unique high-performance mitigation across all
layers and for all attack vectors, including unknown ones, within seconds. The
technological basis for this is Link11’s patented DDoS protection, which relies
on machine learning and consistent automation. The company’s global
multi-terabit network, which currently has 43 PoPs (Points of Presence),
interconnects the DDoS filter clusters and is monitored 24/7 by the Link11
Security Operations Center.  

The German Federal Office for Information Security (BSI) recognizes Link11 as a
qualified DDoS protection provider for critical infrastructures. With ISO
certification 27001, the company also offers high-level data security processes.
Since 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.

2014

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.

2012

ECO INTERNET AWARD

The industry association eco distinguished Link11 as one of the most innovative
Internet companies in 2012. You can see the complete list of winners here.

2012

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.

2022

CYBERSECURITY EXCELLENCE AWARDS

Link11 won the Gold Award as the best European cyber security company in the
category "Company size: 50 - 99 employees". This result underlines our ongoing
commitment to innovation and improvement in the area of information security. <a
href="#"><div class="menu-item-wrap"><span
class="menu-item-title">Emergency</span></div></a>

2019

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. Link11’s patented technology
detects, filters, and blocks attacks before they can even reach the IT systems
of the company under attack.

2018

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.

2018

CYBERSECURITY 500 LIST

This year, 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. You can
see the complete Cybersecurity 500 list here.

2017

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.

2017

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. You can view the
list here.

2016

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.

2014

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.

2014

GERMAN DATA CENTER AWARD

In addition to the online publication prize, Link11 ranked first in the data
center security category with its DDoS protection solution for data centers. You
can find additional information about the German Data Center Award 2014 here.

2013

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.

2014

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.

2012

ECO INTERNET AWARD

The industry association eco distinguished Link11 as one of the most innovative
Internet companies in 2012. You can see the complete list of winners here.

2012

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.

2022

CYBERSECURITY EXCELLENCE AWARDS

Link11 won the Gold Award as the best European cyber security company in the
category "Company size: 50 - 99 employees". This result underlines our ongoing
commitment to innovation and improvement in the area of information security. <a
href="#"><div class="menu-item-wrap"><span
class="menu-item-title">Emergency</span></div></a>

2019

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. Link11’s patented technology
detects, filters, and blocks attacks before they can even reach the IT systems
of the company under attack.

2018

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 EXCELLENCE AWARDS

CYBERSECURITY EXCELLENCE AWARDS

Link11 won the 2022 gold award as the best European cyber security company in
the category “Company size: 50 – 99 employees”. This result underlines our
ongoing commitment to innovation and improvement in the area of information
security.

LINK11 AWARDED PATENT FOR DDOS PROTECTION FILTER

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

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

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

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

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

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

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

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

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

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.

ECO INTERNET AWARD

ECO INTERNET AWARD

The industry association eco distinguished Link11 as one of the most innovative
Internet companies in 2012.






BECOME LINK11 PARTNER

Become an expert for DDoS protection with Link11 and expand your portfolio with
a strong partner that has redefined DDoS protection.

Become Partner


JOIN THE LINK11 TEAM

Shape the future of IT security together with us! We would be happy if you apply
for one of the available jobs and we can get to know each other personally.

Available jobs



SECURING CARBON NEUTRALITY

Link11 Goes Green! This is our motto to make the company climate neutral and to
do more for our environment. Because one thing is clear: In the end, we all
benefit from a healthy world!

Our GoGreen efforts



NEWSROOM

Fabian Sinner
09.03.2022


NEW LINK11 DDOS REPORT FOR 2021

The fight against the Hydra – Complexity and number of attacks increased again!
DDoS Report from Link11: Year-on-year comparison 2020/21: Increase of …

Read more
Fabian Sinner
09.03.2022


NEW LINK11 DDOS REPORT FOR 2021

Katrin Graewe
25.01.2022


LINK11 SETS NEW STANDARDS IN DDOS PROTECTION AS TEST WINNER

Katrin Graewe
29.06.2021


KRYSTAL HOSTING SELECTS LINK11 FOR ROBUST DDOS PROTECTION

Read more
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120,019

Maximum packet rate in 2021 in pps


1,118,928

Largest attack mitigated in 2021 in Mbps

120.019

MAXIMUM PACKET RATE IN 2021 IN PPS

505.424

LARGEST ATTACK MITIGATED IN 2021 IN MBPS

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     * Zero Touch WAF
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