# Link11 > Link11 GmbH (Frankfurt am Main, Germany) develops cloud-based cybersecurity for networks, web applications and APIs: DDoS protection, Web Application and API Protection (WAAP), Secure CDN and Secure DNS. Enterprise customers are served directly; Core and Advanced can be bought self-service. Facts with sources: [llms-full.txt](https://www.link11.com/llms-full.txt). All pages: [sitemap.xml](https://www.link11.com/sitemap.xml). ## Start - [Link11: Cybersecurity & DDoS Protection from Europe](https://www.link11.com/en/): Link11 protects networks, web apps and APIs from DDoS attacks and bots. European cyber security with WAAP, Secure CDN and DNS. Talk to an expert. ## Platform and products - [A unified, fully managed Layer 7 security platform](https://www.link11.com/en/platform/): Web Application Firewall, Web DDoS Protection, Bot Management and API Security in one platform, with the reason for every allowed and blocked request. - [Products: DDoS protection, WAAP, CDN and DNS](https://www.link11.com/en/products/): Protection for applications, networks and services: DDoS protection, WAAP and Secure CDN & DNS in three protection worlds with clear responsibilities. - [Web Application Firewall (WAF)](https://www.link11.com/en/products/waf/): A Web Application Firewall that shows you why it blocked: the OWASP Top 10 blocked, and every decision explained. - [Web DDoS Protection against Layer 7 floods](https://www.link11.com/en/products/web-ddos-protection/): Web DDoS Protection for attacks that look like normal use: Layer 7 floods are stopped in front of your application. - [Bot Management that stops bots, not users](https://www.link11.com/en/products/bot-management/): Bot Management stops bots, not users. Customers and partners pass, scrapers and credential stuffing don’t. - [API Security for every endpoint](https://www.link11.com/en/products/api-security/): API Security that protects every endpoint on its own terms. Every endpoint gets its own policies, traceable to the call. - [Network DDoS Protection before the uplink fills](https://www.link11.com/en/products/network-ddos-protection/): Network DDoS Protection that filters before your uplink is full: attack traffic ends in our network, clean traffic reaches you. - [NetFlow DDoS Detector: attacks in flow data](https://www.link11.com/en/products/netflow-ddos-detector/): The attack appears in the flow first. The NetFlow DDoS Detector finds attacks in your flow data and reroutes to Link11 when it matters. - [Clean Transit: IP transit with DDoS protection](https://www.link11.com/en/products/clean-transit/): IP transit with built-in DDoS protection, for providers with high volumes. Your network gets the traffic, not the attack. - [Secure CDN: deliver faster, stay reachable](https://www.link11.com/en/products/secure-cdn/): Secure CDN delivers content from the nearest edge, faster for your users and with less load on your origin. Deliver faster, stay reachable. - [Secure DNS: stay resolvable, keep your zones](https://www.link11.com/en/products/secure-dns/): DDoS-protected name resolution worldwide, with your zones managed in Link11 or on your own server. Stay resolvable, keep your zones. ## Solutions - [Web Application Security for apps and APIs](https://www.link11.com/en/web-application-security/): Applications, APIs and automated traffic protected. Shops and portals stay available even when attacks or bots put operations under pressure. - [Network Security: absorb attacks, stay reachable](https://www.link11.com/en/network-security/): Uplinks, prefixes and autonomous systems protected. Attack traffic is stopped before it reaches your infrastructure, so your business stays reachable. - [Application Performance: Secure CDN and DNS](https://www.link11.com/en/application-performance/): Name resolution, content delivery and the origin behind it, all protected. Websites and services respond reliably worldwide, without needless origin load. - [DDoS Protection, patented and on every layer](https://www.link11.com/en/ddos-protection/): Network DDoS Protection and Web DDoS Protection in one defense. Mitigation takes effect within 0–3 seconds for attacks on layers 3 and 4. - [What is WAAP? Web Application and API Protection](https://www.link11.com/en/what-is-waap/): WAAP, Web Application and API Protection, is one layer against exploits, bots and DDoS: a unified, fully managed Layer 7 security platform. - [Enterprise security from one provider](https://www.link11.com/en/enterprise/): Application security, network security and application performance from one provider. Designed with your teams, developed in Europe. ## Enterprise by industry and role - [Cyber resilience for banking and finance](https://www.link11.com/en/enterprise/banking-finance/): Link11 protects networks, applications and APIs in finance and helps you meet regulatory requirements such as NIS2 and DORA. - [Security for retail and e-commerce](https://www.link11.com/en/enterprise/retail-ecommerce/): Every minute of downtime is revenue. Link11 keeps shops, portals and APIs available when bots, Layer 7 floods or exploits put them under pressure. - [DDoS and bot protection for online gaming](https://www.link11.com/en/enterprise/online-gaming/): Gaming platforms are a prime target for DDoS attacks. Link11 filters hostile traffic before it reaches game servers, casino and sports-betting sites. - [Transport, logistics and aviation security](https://www.link11.com/en/enterprise/transport-logistics/): An outage hits supply, not just the website. Link11 protects networks, VPN and applications in logistics and aviation, qualified by the German BSI. - [Link11 for CEOs: availability and cost](https://www.link11.com/en/enterprise/ceo/): One provider for applications, networks and delivery. An SLA on time to mitigate, bandwidth and uptime, customized pricing, managed onboarding included. - [Link11 for CISOs: risk, compliance and evidence](https://www.link11.com/en/enterprise/ciso/): ISO 27001 certified, meets SOC 2 Type II, BSI C5 and PCI DSS, helps you meet NIS2 and DORA. Every decision traceable. - [Link11 for CTOs: architecture and integration](https://www.link11.com/en/enterprise/cto/): Applications connect via DNS, networks via BGP. Link11 WAAP runs on Link11’s own network, AWS, Azure or GCP and is configured via REST API. ## Pricing and buying - [Pricing: Core, Advanced and Enterprise](https://www.link11.com/en/pricing/): Three packages, one platform. Start self-service with Core or Advanced, or have Enterprise shaped around your environment. - [Vendor comparison without the marketing fog](https://www.link11.com/en/compare/): Link11 side by side with other vendors on the same seven criteria, based on public documentation. ## Comparisons - [Link11 vs. Akamai: comparison](https://www.link11.com/en/compare/link11-vs-akamai/): Akamai offers App & API Protector, Prolexic, Bot Manager and API Security as separate products, plus a Managed Security Service. - [Link11 vs. AWS: comparison](https://www.link11.com/en/compare/link11-vs-aws/): AWS WAF and AWS Shield are separate AWS services that protect resources running on AWS. - [Link11 vs. Google Cloud Armor: comparison](https://www.link11.com/en/compare/link11-vs-cloud-armor/): Google Cloud Armor provides WAF and DDoS protection for workloads behind Google Cloud load balancers and for VMs. - [Link11 vs. Cloudflare: comparison](https://www.link11.com/en/compare/link11-vs-cloudflare/): Cloudflare offers DDoS protection, WAF, bot management and API security as application services, from self-serve plans to Enterprise contracts. - [Link11 vs. F5: comparison](https://www.link11.com/en/compare/link11-vs-f5/): F5 offers Distributed Cloud with WAF, API protection, bot defense and DDoS mitigation as SaaS, and BIG-IP as a separate product line. - [Link11 vs. Fastly: comparison](https://www.link11.com/en/compare/link11-vs-fastly/): Fastly offers Next-Gen WAF, DDoS Protection, Bot Management, API Security and Network Protect, with support plans and a Managed Security service. - [Link11 vs. Imperva: comparison](https://www.link11.com/en/compare/link11-vs-imperva/): Imperva, part of the Thales Group, offers Cloud WAF with bot protection and API security, and DDoS protection with a mitigation-time SLA. - [Link11 vs. Myra Security: comparison](https://www.link11.com/en/compare/link11-vs-myra-security/): Myra Security, based in Munich, offers WAF, bot management, DDoS protection and CDN as modules of its security-as-a-service platform. ## Company and trust - [About Link11: built to defend, always at your side](https://www.link11.com/en/company/): Link11 develops cloud-based cybersecurity for networks, web applications and APIs: proprietary protection technology and a team that takes responsibility. - [Trust Center: compliance, data security and privacy](https://www.link11.com/en/trust-center/): Link11 Trust Center: ISO 27001 certificate, SOC 2 Type II and BSI C5 reports, PCI DSS attestation, security controls and policies, with access on request. - [Data sovereignty as a competitive advantage](https://www.link11.com/en/data-sovereignty/): Data sovereignty as a real competitive advantage: EU-compliant security, less legal uncertainty, and by default your data is stored in Europe. - [Customers who cannot afford to fail](https://www.link11.com/en/customers/): Banks, healthcare, public authorities, shops, media and providers: where an outage costs more than revenue, and where what can be proven is what counts. - [Partner program: achieve more together](https://www.link11.com/en/partners/): Become an expert in DDoS protection with Link11 and expand your portfolio with a strong partner. The partner program is built around your go-to-market. - [Careers at Link11: help make the Internet safer](https://www.link11.com/en/careers/): Link11 protects digital services businesses and people depend on. Security, engineering, product and customer service work closely together. - [Climate protection: one green step ahead](https://www.link11.com/en/climate-protection/): Link11 is committed to reducing its carbon emissions and supporting recognized climate protection projects. - [Press releases and media contact](https://www.link11.com/en/press/): Latest press releases, quotable company information and the direct route to Link11 Communications. - [System status: live from the official source](https://www.link11.com/en/status/): The state of your protection: current status per service, confirmed incidents and announced maintenance, read directly from the public Link11 status page. ## Help and contact - [Contact sales, support, emergency and press](https://www.link11.com/en/contact/): Whether you are exploring, discussing an architecture or preparing procurement: sales, support, emergencies and press each have their own direct route. - [Under attack? Emergency help from the SOC](https://www.link11.com/en/emergency/): Attack in progress? Tell us what is affected and the SOC gets back to you around the clock, also for companies that are not customers yet. ## Knowledge - [European Cyber Report 2026 Mid Year](https://www.link11.com/en/report-2026/): In H1 2026, single attacks on the Link11 network set records in bandwidth, packet rate and data volume: the European Cyber Report 2026 Mid Year. - [Link11 2025 Wrapped](https://www.link11.com/en/wrapped-2025/): Link11 2025 Wrapped: 47,545 attacks mitigated, a 75% increase from 2024. Largest attack 509 TB, peak bandwidth 1.33 Terabit/s, record duration 12 days. - [Blog: security analysis and incident write-ups](https://www.link11.com/en/blog/): Analysis, explainers and incident write-ups on network, web and API security, from the team that runs our security operations center. - [Security glossary: terms explained quickly](https://www.link11.com/en/glossary/): Understand security terms quickly, then go deeper. Every entry answers the question first and points to the product or article that goes further. - [Downloads: reports, guides and briefs](https://www.link11.com/en/downloads/): Reports, guides and technical briefs from Link11 for security decisions grounded in evidence. - [Follow the White Rabbit: security podcast](https://www.link11.com/en/podcast/): Follow the White Rabbit: conversations with people who analyze attacks, protect systems and carry responsibility. Cybersecurity from first-hand experience. - [Events and webinars on security](https://www.link11.com/en/events/): Webinars and conversations with the teams defending digital availability, and with the customers and experts they work with. - [Learning Center: security essentials](https://www.link11.com/en/learning-center/): Link11 PRIME: free fundamentals course on networking, DDoS attack types and mitigation. Three chapters, nine modules, at your own pace. From January 2027. - [Resources: analyses, reports and explainers](https://www.link11.com/en/resources/): Incident analyses, threat reports, customer stories and a glossary, from the team that runs our in-house security operations center. - [Our authors: the people behind the blog](https://www.link11.com/en/authors/): Meet the people behind the Link11 blog and their analyses, explainers and incident write-ups on network, web and API security. ## Optional - [Imprint](https://www.link11.com/en/imprint/): Imprint of Link11 GmbH, Frankfurt am Main: contact information, disclaimer and terms of use of this website. - [Privacy Policy](https://www.link11.com/en/privacy/): How Link11 handles your data: controller, data protection officer, legal bases, web hosting, server log files, cookies, external links and contact forms. - [Terms of Service for Self-Serve Services](https://www.link11.com/en/terms/): Terms of Service for Link11 Self-Serve Services: scope, services, payment terms, pricing and billing, subscriptions, termination and service provision. - [Data Processing Agreement for Self-Serve Services](https://www.link11.com/en/dpa/): Data Processing Agreement for Link11 Self-Serve Services: subject matter, data categories, subprocessors, data transfers and technical measures. - [End User License Agreement (EULA)](https://www.link11.com/en/eula/): The End User License Agreement for Link11 services: provision and changes of services, obligations of the customer, defaults of service and force majeure. - [Cookies: what we store and how you decide](https://www.link11.com/en/cookies/): Which cookies the Link11 website uses, how the consent manager works and how you decide what may be stored. - [How our images are made and where AI helps](https://www.link11.com/en/ai-transparency/): How Link11 creates photos, films, 3D motifs and system graphics, where AI assists with editing, scenes and translation, and what stays the same. - [Press kit and brand assets](https://www.link11.com/en/brand-assets/): Approved brand elements, citable company information and a direct route to the Link11 press office. - [Site map: every page at a glance](https://www.link11.com/en/site-map/): Every page of the Link11 website at a glance, grouped by area.