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Home / Products & services / Security Security Protect critical connectivity with security solutions designed to help businesses stay resilient, available, and ready when attacks hit. Cyber attacks can escalate rapidly – disrupting services, overwhelming infrastructure, and putting business continuity at risk. Arelion helps organizations strengthen resilience with security services designed to protect critical connectivity, maintain availability, and respond at speed. Contact experts Network security products Security DDoS Mitigation Protect your network against DDoS attacks with continuous host-level protection. Security SecureConnect SecureConnect Transit and SecureConnect DIA offer robust IP connectivity combined with integrated network protection. Safeguard your connections from DDoS attacks right at the access point! Security starts in the network When networks support critical services, security has to be built for constant availability. In always-on environments, resilience, visibility, and rapid response all matter. Arelion’s approach to security is built on network capability, combining always-on monitoring, rapid mitigation, and proven operational expertise. It is designed to help protect critical services, preserve availability, and maintain performance under pressure. #1 Internet backbone 72% of global internet routes +2000 customers Curious to learn more? Report The 2026 DDoS threat landscape report AI-driven botnets, IoT devices and distributed cloud infrastructure are fuelling a new era of hyper-volumetric DDoS attacks. Download the report for the latest insights from Arelion’s #1 ranked Internet backbone, AS1299, including the rise of Aisuru and terabit-scale disruption. Report Connecting through chaos: how are enterprises protecting data? Our latest research examines how businesses are navigating an environment where global data flows, sovereignty requirements and an expanding supplier ecosystem have created unprecedented security challenges. Arelion blog Extending our AI superhighway into the Nordics and Baltics After explosive data center expansion in the US, the AI-driven data center boom seems to finally be taking off in Europe. Knowledge What is network security? Network security is the protection of network infrastructure from unauthorized access, misuse, or theft. Learn more here. Podcast Season 6 - Episode 58 EP58: Cloud connectivity, public internet, security standards, and enterprise networking trends Knowledge What is RPKI? RPKI is a secure identification system for BGP updates between autonomous systems. It reduces the risk of accidental route leaks and hijacks – learn how it works here. Arelion blog A connectivity milestone: 200 Tb/s At the edge of our backbone, traffic recently reached 200 Tb/s. To put this into perspective, 200 Tb/s is roughly 200,000 times faster than a 1-gigabit home fiber connection. Available 24/7 Award-winning customer experience At Arelion, our award-winning customer experience lies at the heart of everything we do. We work hard to deliver the best customer care in the business. We’re committed to making your experience so good, you don’t even know we’re here. Contact customer support Enterprise solutions Wholesale services Our network Why Arelion Join us Sustainability Contact experts Offices Customer support Legal Resources Arelion blog Events Media kit FAQ What is IP Transit? What is the Internet backbone? What is Ethernet? What is DWDM? What is A2P messaging? What is Cloud Connect? What is a DDoS attack? What is EVPN?