Show us what needs to stay online. We route you to the right person.
Whether you are exploring, discussing a specific architecture or preparing procurement: sales, support, emergencies and press each have their own direct route.
Sales and adviceFor protection needs, architecture, demos and procurement.Request a conversation
Existing customerSupport and status take you straight to the right place.Sign in for support
EmergencyAn attack is already underway? The emergency line goes straight to the team that intervenes.DDoS emergency contact
Contact
A conversation that starts with your architecture.
- You show us the systems, architecture and priorities involved
- We identify which Link11 solution and scope may fit
- With a technical fit, we plan a technical session or demo
Prefer to talk right away?
+49 (0) 69 58004926 77
Sales and advice · Frankfurt am Main
Press
Directly with Link11 Communications.

Lisa FröhlichCompany spokeswoman
- Requests for interviews or statements
- Data and background for your story
- Information material and brand assets
Existing customer
For technical requests, Support and Status take you straight to the right place.
Sign in for supportEmergency
An attack is already underway? Not via sales: the emergency line goes straight to the team that intervenes.
+49 (0) 69 58004926 99Request emergency callbackCareers
We make the Internet a safer place. Come and help us.
All open rolesHeadquartered in Frankfurt. Reachable wherever you are.
Link11 GmbHLindleystraße 12
60314 Frankfurt am Main
Germany
The direct route by region.
- Germany · FrankfurtSales and advice+49 (0) 69 58004926 77
- Germany · FrankfurtEmergency, 24/7+49 (0) 69 58004926 99
- Israel & International+972 73 200 52 00
- North America+1 888 818 1344
Let’s talk
Your business stays online. We’ll show you how.