European Alternatives to NETSCOUT (Arbor)
Looking for a European alternative to NETSCOUT? NETSCOUT sells its Arbor DDoS range (Arbor Edge Defense, Arbor Sightline and Arbor Cloud) from the United States, and its own site gives Westford, MA as the headquarters. Buyers who want the contract, the support desk and the scrubbing capacity under EU or UK law often look at European vendors instead.
The European services below cover managed cloud scrubbing, on-premises appliances and DDoS filtering that is included with hosting, with the contracting entity in Germany, the UK, France, Austria and other European countries. Hetzner even states that it runs Arbor and Juniper hardware, so you can reach that technology through a European operator.
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10 European Alternatives to NETSCOUT (Arbor)
Myra Security
Munich vendor with BSI-qualified DDoS mitigation at layers 3 to 7
Link11
Frankfurt provider selling DDoS defence with an attack flat rate
Corero Network Security
On-premises and hybrid DDoS appliances for ISPs and enterprises
Gcore
Scrubbing network with pay-for-clean-traffic billing in dollars
Bunny.net
DDoS filtering bundled into the Shield security plans
Anexia
DDoS filtering inside the Klagenfurt operator's own backbone
OVHcloud
Always-on anti-DDoS included on every hosting product
Neterra
Sofia telecom operator with a cloud DDoS platform for layers 3 to 7
Leaseweb
Hosting provider with four tiers of per-IP DDoS protection
Hetzner
Free automatic DDoS filtering for every hosting customer
Key takeaways
- NETSCOUT headquarters is Westford, Massachusetts, according to its own site, so its Arbor products are sold by a US company.
- Myra Security and Link11 are the two German vendors on this page built specifically around DDoS defence, and Corero is the appliance vendor.
- Hetzner states on its DDoS page that it operates Arbor and Juniper hardware, so Arbor technology is reachable through a German hosting contract.
- OVHcloud, Hetzner and Leaseweb include baseline DDoS filtering with hosting, but it protects only systems inside their own networks.
- Gcore bills in US dollars, Link11 and Leaseweb quote euro figures, and Myra, Corero, Anexia and Neterra publish no price for DDoS protection.
Why people leave NETSCOUT (Arbor)
NETSCOUT sells its DDoS products under the Arbor name: Arbor Edge Defense, Arbor Sightline and Arbor Cloud. Its own site names Westford, Massachusetts as the headquarters, so the company is American and the contract normally follows from that. A DDoS product is unusual among security tools because it sits in the path of your traffic, so the question of who operates it and under which law is part of the purchase.
People start looking beyond Arbor for ordinary procurement reasons more than for technical ones. A buyer in Germany, France or the Netherlands may want the support desk in a European time zone, the order form signed by a company they can find in a European register, and a data processing agreement written under EU or UK law. A public body or an operator of critical infrastructure may have a rule that points the same way.
The market has also changed shape. Besides on-premises appliances, a managed scrubbing service reached through a DNS change is now a normal option, and some hosting companies filter attacks inside their backbone without a separate invoice. This page compares ten European providers on those three models, against what an Arbor customer actually holds.
- The contracting entity sits in the United States NETSCOUT gives Westford, Massachusetts as its headquarters. For a scrubbing service this matters because the provider handles inbound traffic and, if it filters web requests, decrypted content. Myra Security (Munich), Link11 (Frankfurt) and Neterra (Sofia) put the contract under the law of an EU member state, and Corero (London) under UK law, which gives you a supervisory authority and courts closer to home.
- A hardware project where a service would do Part of the Arbor range is equipment that is installed and operated on your own network. If the real need is protecting a website or an API, a managed service from Link11 or Gcore can be switched on through DNS in days, without rack space or an upgrade cycle. The reverse also holds: operators who need in-line gear can buy it from Corero without crossing the Atlantic.
- Your hosting company may already filter for you Several European hosts include filtering with the servers. OVHcloud calls its anti-DDoS unmetered with no time limit, Hetzner calls it free for all customers, and Leaseweb applies a Standard tier with a 5 Gbps threshold by default. A team that pays an enterprise vendor to protect servers that already sit behind such a filter can re-examine what the extra layer buys.
- Published terms are easier to compare in Europe Myra publishes a 99.999% availability SLA, Gcore a 99.99% uptime SLA, and Leaseweb numeric thresholds and mitigation times for each of its four tiers. Link11 lists monthly euro plans and an attack flat rate. Where the NETSCOUT pages that were checked give no price, a procurement team can at least start a comparison table from public figures.
What you have to replace, not just match
The first thing to replace is the traffic path. With Arbor Cloud or any cloud scrubbing service, attack traffic is diverted to a filtering centre, and with an edge appliance it is dropped on your own equipment.
A move to Myra Security or Link11 changes the first model from one vendor to another, usually through a DNS or routing change. A move to Corero is the appliance equivalent. A move to a hosting bundle such as OVHcloud, Hetzner, Anexia or Leaseweb is different in kind, because the filter only protects systems inside that operator's network.
The second thing is the operational layer: alert thresholds, escalation contacts, runbooks and the reports your own management or auditors receive. Write down which of these live in the NETSCOUT consoles and which in your own tooling. Anexia lets you set thresholds per customer and sends 5-tuple alerts, and Leaseweb Advanced adds reporting and three detection profiles, but none of this transfers automatically. Each vendor needs its baseline taught again.
The third thing is whatever you bought alongside protection. A web application firewall, bot management, DNS security or a CDN may have been separate contracts. Myra, Link11 and Gcore sell these as one platform, so a migration is a chance to merge several vendors, and also a chance to leave something unprotected if the list of what to replace is not drawn up first.
The alternatives compared
| Position | Tool | Headquarters | Pricing | Jurisdiction |
|---|---|---|---|---|
| #1 | Myra Security | Munich, Germany | Enterprise pricing on request | EU (Germany) |
| #2 | Link11 | Frankfurt, Germany | Enterprise pricing on request | EU (Germany) |
| #3 | Corero Network Security | London, United Kingdom | Enterprise, appliance-based pricing on request | United Kingdom (adequacy decision, outside the EEA) |
| #4 | Gcore | Luxembourg | Free tier / paid from about €25/month | EU (Luxembourg) |
| #5 | Bunny.net | Ljubljana, Slovenia | Pay-as-you-go from about €0.01/GB | EU (Slovenia) |
| #6 | Anexia | Klagenfurt, Austria | Not published; see website | EU (Austria) |
| #7 | OVHcloud | Roubaix, France | PostgreSQL essential from about €0.16/hour (2 vCPU / 8GB RAM); MySQL, MongoDB, Kafka, Cassandra, OpenSearch, M3DB and Valkey priced separately by engine and tier | EU (France) |
| #8 | Neterra | Sofia, Bulgaria | Not published; see website | EU (Bulgaria) |
| #9 | Leaseweb | Amsterdam, Netherlands | Standard included at no extra cost; Advanced for a small fee per IP (amount not stated); Customized and Always-on on request | EU (Netherlands) |
| #10 | Hetzner | Gunzenhausen, Germany | From about €4.51/month (Cloud VPS) | EU (Germany) |
How each alternative compares to NETSCOUT (Arbor)
Myra Security
Managed German scrubbing service with a published SLA, the closest cloud counterpart to Arbor Cloud
Best for: Regulated companies and public bodies that want a certified managed service under German law.
Against NETSCOUT, Myra Security replaces the cloud scrubbing side of the range, not the on-premises equipment. It filters layers 3, 4 and 7 from German scrubbing centres, and adds a web application firewall, bot management and DNS security in the same service. Its published 99.999% availability SLA is the sharpest commercial term in this comparison.
Myra Security GmbH is a Munich company, registered as HRB 202428 and founded in 2012. It holds BSI C5 Type 2 attestation and ISO 27001 based on IT-Grundschutz, according to its pages. There is no self-serve signup: pricing comes through a calculator or a quote, with proof-of-concept engagements for evaluation. Expect a sales process before you can test anything.
What Myra Security does better than NETSCOUT (Arbor)
- Contract and support under German law with German-based staff
- Published 99.999% availability SLA
- WAF, bot management and CDN in the same service
- BSI C5 Type 2 attestation for public-sector buyers
Where Myra Security is a step down from NETSCOUT (Arbor)
- Offers no on-premises appliance
- Needs a sales conversation for price
- Network is smaller than the CDN-first providers
Standout against NETSCOUT (Arbor). Myra pairs a published 99.999% SLA with BSI C5 Type 2 attestation.
Best for: Teams that want a German managed service with euro pricing and quick onboarding.
In a swap away from NETSCOUT, Link11 is the managed-service option with the plainest commercial model. It lists monthly euro plans, self-onboarding and an attack flat rate that keeps the bill stable during a campaign. According to the vendor, it runs 13 scrubbing centres and more than 40 points of presence, with mitigation within 0 to 10 seconds per attack vector.
Link11 GmbH was founded in 2005 and is registered in Frankfurt (HRB 106307). It is BSI-qualified as a DDoS provider for critical infrastructure and ISO 27001 certified. Onboarding is a DNS forwarding change, which suits a web application and is not an answer for a carrier that needs equipment on its own network. Some network-level pages were unreadable during research, so capacity is not claimed.
What Link11 does better than NETSCOUT (Arbor)
- Published euro plans and an attack flat rate
- DNS-based onboarding without hardware
- EU legal entity in Frankfurt
- Layer 7 and bot management bundled with DDoS protection
Where Link11 is a step down from NETSCOUT (Arbor)
- No appliance for on-premises use
- Smaller global footprint than a US hyperscaler network
- Larger tiers still depend on a quote
Standout against NETSCOUT (Arbor). Link11 is the only vendor here with an attack flat rate in its pricing.
Corero Network Security
UK appliance vendor, the on-premises counterpart for ISPs and hosting networks
Best for: Network operators that need in-line mitigation on their own infrastructure under UK law.
Corero Network Security sits on the other side of the build-or-buy line from Myra and Link11. SmartWall appliances, physical or virtual, detect and mitigate attacks in the data path without diverting traffic, which is the model an on-premises NETSCOUT deployment follows. Its customers are ISPs, hosting companies and carriers, not owners of a single website.
The operating company in the UK, registered as 04047090, was incorporated in 2000 as Top Layer Networks Limited, and the parent Corero Network Security plc is listed in London. A US subsidiary exists in Marlborough, Massachusetts. The UK is covered by an EU adequacy decision, not by EU establishment. Pricing is by deployment, as capital equipment or a managed contract.
What Corero Network Security does better than NETSCOUT (Arbor)
- Contract under UK law instead of US law
- Direct counterpart for in-line operator deployments
- Listed company with a traceable registration history
Where Corero Network Security is a step down from NETSCOUT (Arbor)
- No EU establishment, only a UK adequacy decision
- Not a self-serve or per-website product
- US group subsidiary still exists
Standout against NETSCOUT (Arbor). Corero is the only vendor here that moves mitigation onto your own network as an appliance.
Best for: Delivery-heavy services where latency matters and attack volume should not drive the bill.
Gcore answers NETSCOUT with a scrubbing network bundled into a wider edge and cloud platform. The category research records 200+ Tbps of filtering capacity and a 99.99% uptime SLA, both vendor claims, plus coverage of layers 3, 4 and 7. The billing model counts clean traffic only, so an attack does not enlarge the invoice.
Gcore S.A. is a Luxembourg company, spun off from the gaming company Wargaming in 2014, with 180+ points of presence. The DDoS page shows prices in US dollars only, from $275 per month according to the category research, while CDN plans on the tool page start at €25 per month. Certifications and the list of scrubbing locations are not named on the page.
What Gcore does better than NETSCOUT (Arbor)
- Clean-traffic billing instead of paying for attack volume
- EU legal entity in Luxembourg
- DDoS filtering next to CDN, cloud and edge products
- Published 99.99% uptime SLA
Where Gcore is a step down from NETSCOUT (Arbor)
- Prices quoted in US dollars
- No appliance for operator networks
- No certifications named on the DDoS page
Standout against NETSCOUT (Arbor). Gcore charges for clean traffic only, so an attack leaves the invoice unchanged.
Best for: Developers and small businesses that want filtering added to a CDN account without a sales call.
Bunny.net is the lightest replacement on this page and not a like-for-like one for an Arbor customer. Shield plans add filtering to a CDN account, with a free tier, a 14-day trial and paid Advanced and Business plans listed at $9.5 and $99. The documentation mentions 119 scrubbing centres.
Bunny CDN d.o.o. is a company in Ljubljana, founded in 2015 without venture capital. Edge storage, video streaming, DNS and image optimisation share the account. Two vendor pages disagree on capacity (200 Tbps and 250 Tbps), and the request limits per plan were unclear, so no capacity is claimed. A large network or a regulated buyer will want more support than this product is built for.
What Bunny.net does better than NETSCOUT (Arbor)
- Free tier and trial instead of a sales cycle
- Public plan prices
- One account for CDN, storage, video and DNS
- EU entity in Slovenia
Where Bunny.net is a step down from NETSCOUT (Arbor)
- Conflicting capacity figures on vendor pages
- Thin enterprise support and contract options
- Not a network-operator product
Standout against NETSCOUT (Arbor). Bunny.net is the only vendor here where protection starts on a free tier.
Best for: Companies hosting at Anexia that want network filtering with customer-specific settings.
Anexia replaces NETSCOUT only for workloads that run on Anexia infrastructure. Filtering happens in the operator's backbone, baseline protection covers every address, and the DDoS Guard allows thresholds and mitigation profiles per customer. During an attack the page promises 5-tuple detection with CloudLog alerts.
Anexia Holding GmbH is in Klagenfurt and registered as FN 388403g, and its homepage states group-level ISO 27001 and 27701 certification. The DDoS page lists no capacity, SLA or price and does not describe layer 7. The group also has a New York subsidiary, so the order form should show an Austrian or German GmbH.
What Anexia does better than NETSCOUT (Arbor)
- Per-customer thresholds in the operator's own backbone
- Contract with an Austrian entity
- Baseline protection for all addresses
Where Anexia is a step down from NETSCOUT (Arbor)
- No published capacity, SLA or price
- Layer 7 not described
- Protects only systems hosted at Anexia
Standout against NETSCOUT (Arbor). Anexia sets DDoS thresholds per customer inside the backbone that carries your servers.
Best for: Teams hosting at OVHcloud who want filtering without a separate contract or invoice line.
OVHcloud removes the question of price for hosted workloads: anti-DDoS comes with every product, unmetered, with no limit on attack duration. Against a paid NETSCOUT contract the saving is obvious, and the comparison stops there for capacity, because the anti-DDoS page gives no figure, certification or scrubbing-centre count.
OVHcloud SAS was founded in Roubaix in 1999 and runs its own hardware in 46 data centres, most of them in Europe. SecNumCloud and Gaia-X membership are company-level credentials on the tool page. Only the page footer names OVH SAS, so the order form should confirm the entity. Filtering covers OVHcloud-hosted systems, and layer 7 is not described.
What OVHcloud does better than NETSCOUT (Arbor)
- No separate fee for filtering
- Own European data centres and hardware
- No time limit on an attack
- Company-level SecNumCloud certification
Where OVHcloud is a step down from NETSCOUT (Arbor)
- No capacity figures on the anti-DDoS page
- Covers only OVHcloud-hosted systems
- No layer 7 filtering described
Standout against NETSCOUT (Arbor). OVHcloud is unmetered, without time limits, and included with all hosting.
Best for: Networks in Bulgaria and the Balkans that want carrier-level filtering from a Bulgarian entity.
Neterra offers DDoS protection as a telecom operator, which puts it nearer to an Arbor Cloud customer than a hosting bundle does. The cloud platform filters layer 3 to 7 attacks, and the vendor says it can handle attacks above 2 Tbps. Smart Blackholing detects and redirects attacks automatically, with no timing given.
Neterra EOOD is headquartered in Sofia, Bulgaria (VAT BG121039370), and its footer lists ISO 27001 and ISO 22301 certificates that apply to the company, not specifically to the DDoS service. No price, SLA, mitigation time or scrubbing location is published. The regional anchoring helps in the Balkans, and customers elsewhere should check routing and latency first.
What Neterra does better than NETSCOUT (Arbor)
- Contract with an EU entity in Bulgaria
- Carrier-level filtering across layers 3 to 7
- Automatic Smart Blackholing
Where Neterra is a step down from NETSCOUT (Arbor)
- No price, SLA or mitigation time published
- Scrubbing locations not listed
- Regional focus
Standout against NETSCOUT (Arbor). Neterra combines automatic blackholing with layer 3 to 7 filtering from a telecom operator.
Best for: Leaseweb customers who want to read Gbps thresholds and mitigation times before choosing.
Leaseweb is the most transparent hosting provider in this comparison. Its knowledge base lists thresholds and mitigation times for four tiers: Standard at 5 Gbps and 1,500k pps, Advanced at 10 Gbps, Customized above 40 Gbps, and Always-on with an in-line device and typically 45 to 90 seconds to mitigate. Layer 7 filtering exists only in the top tier.
The Dutch entity is Leaseweb Netherlands B.V. in Amsterdam, although the brand sells through several local entities. The catch is null routing: Standard and Advanced take an IP offline once traffic passes the threshold. Advanced costs a small fee per IP that the article does not state. Protection covers only systems hosted at Leaseweb, and the product page was unreadable during research.
What Leaseweb does better than NETSCOUT (Arbor)
- Numeric thresholds and times published per tier
- Standard tier included at no cost
- Upgrades per IP through portal and API
- Dutch entity under EU law
Where Leaseweb is a step down from NETSCOUT (Arbor)
- Lower tiers null route above the threshold
- Layer 7 only in Always-on
- Works only for Leaseweb-hosted systems
Standout against NETSCOUT (Arbor). Leaseweb publishes numeric thresholds and mitigation times for all four protection tiers.
Best for: Developers on Hetzner who need basic, no-cost protection for ordinary servers.
Hetzner is the cheapest route off this page and also the least documented. Filtering is free for every hosting customer, runs automatically, and the DDoS page says Hetzner operates Arbor and Juniper hardware. That makes it an unusual case for an Arbor customer, since the technology can stay while the contract moves to Germany.
Hetzner Online GmbH was founded in 1997 in Gunzenhausen and operates data centres in Nuremberg, Falkenstein and Helsinki. The DDoS page gives no capacity and no SLA, so treat it as a baseline for ordinary servers. The tool page suggests adding a European CDN such as Bunny.net for extra layers. Only servers inside Hetzner's network are covered.
What Hetzner does better than NETSCOUT (Arbor)
- No charge for the filtering
- Arbor hardware named on the DDoS page
- German entity with data centres in Germany and Finland
Where Hetzner is a step down from NETSCOUT (Arbor)
- No capacity or SLA published
- No layer 7 filtering described
- Covers only Hetzner-hosted servers
Standout against NETSCOUT (Arbor). Hetzner states it uses Arbor hardware, so a switch can keep the same technology under a German contract.
What actually breaks when you switch
Expect the work to concentrate in three places. First is the cutover: moving DNS or BGP routing to a new scrubbing service has to be rehearsed, because a mistake takes your own service offline. Lower the DNS TTL beforehand, test the new path with a small subdomain, and agree with the vendor on the exact mitigation start procedure. Link11 describes onboarding as a DNS forwarding change, whereas an appliance move to Corero needs hardware delivery and installation.
Second is institutional memory. The baseline thresholds, allow-lists and alert recipients configured in NETSCOUT consoles do not export to a European service. Third are contracts: check notice periods and renewal terms on the NETSCOUT side before you sign a new one, and keep the old service until the new one has handled a real attack. Hosting bundles from OVHcloud, Hetzner and Leaseweb come with the servers, but an origin moved between hosts also moves its IP addresses.
Can a hosting bundle replace an Arbor Cloud contract?
Only if everything you protect runs on that host. The filters from OVHcloud, Hetzner, Anexia, Neterra and Leaseweb work in the operator's network, so a server hosted somewhere else sees no benefit. For an application spread over several providers or a cloud region, the filter has to sit in front of the origin, and that points to Myra Security, Link11 or Gcore instead.
Even when everything sits on one host, check the threshold. Leaseweb documents that Standard and Advanced null route an IP address above the scrubbing threshold, which takes the target offline to protect the network. Hetzner and OVHcloud give no capacity figure on their DDoS pages. A bundle is a sensible baseline, and a poor sole defence for a business that loses money by the hour.
Is a UK vendor acceptable if I need European jurisdiction?
Corero Network Security plc is listed in London, and its operating subsidiary is registered in England and Wales. The United Kingdom is outside the EEA, and transfers from the EU rely on an adequacy decision instead of EU establishment. For many buyers that is enough, and for those whose policy requires an EU legal entity it is not.
The group also has a US subsidiary in Marlborough, Massachusetts, so the order form should name the entity that signs. If your policy needs an EU counterpart, the managed alternatives from Germany, Luxembourg, Slovenia or the Netherlands are the answer, but they are services, not appliances, which changes the design as well as the paperwork.
Which one to pick
For a website or API that must stay online and needs a managed service, pick between Myra Security and Link11. Myra is the choice when the buyer is a regulated organisation that values BSI C5 Type 2 attestation and a 99.999% SLA, Link11 when euro plans and an attack flat rate matter more. Gcore fits services that already depend on edge delivery and want clean-traffic billing, and Bunny.net fits small teams who want to start on a free tier.
For a network operator, Corero is the only on-premises route here, and Neterra and Anexia are the carrier-based options for customers in or near their regions. For ordinary servers, the bundles from OVHcloud, Hetzner and Leaseweb are enough as a baseline, with Leaseweb the one that publishes its thresholds. Stay with NETSCOUT if your current protection works and no rule requires a European counterparty.
Frequently Asked Questions
For a managed service with the most published terms, Myra Security is the strongest candidate, with a 99.999% availability SLA, layer 3, 4 and 7 coverage and BSI C5 Type 2 attestation. Link11 is the German alternative with euro plans and an attack flat rate, and Corero is the appliance route for network operators. The right pick depends on whether you operate a network, a website or rented servers.
That depends on who owns the network under attack. An ISP or hosting company that must protect its own infrastructure is a candidate for Corero SmartWall appliances. A company protecting a web application or an API can usually use Myra Security, Link11 or Gcore through a DNS change, with no hardware. Hosting bundles from OVHcloud, Hetzner or Leaseweb cover only servers inside their networks.
No NETSCOUT prices were checked, so no comparison can be made. What the European pages show is a range: free filtering with hosting at OVHcloud and Hetzner, a free Shield tier at Bunny.net, euro plans at Link11, plans from $275 per month at Gcore, and quote-only pricing at Myra, Corero, Anexia and Neterra.
Myra Security covers layer 3, 4 and 7, Link11 offers Web DDoS protection in its WAAP plans, Gcore filters L3, L4 and L7, and Neterra describes protection from layer 3 to 7. Leaseweb has layer 7 filtering only in its Always-on tier. The hosting bundles from OVHcloud, Hetzner and Anexia describe network-level filtering.
Hetzner states on its DDoS page that it runs Arbor and Juniper hardware. That is the vendor's own description, and it gives no capacity or SLA. A team that wants to remain on Arbor-based filtering can reach it through a German hosting contract, but only for servers inside the Hetzner network.
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