# Arbor Networks now part of NETSCOUT

> Arbor Networks is the DDoS protection and network visibility business founded in 2000 and acquired by NETSCOUT in 2015. Its Sightline, TMS, Edge Defense and Arbor Cloud products help service providers and enterprises detect attacks, filter malicious traffic and maintain service availability, backed by ATLAS threat intelligence and ASERT researchers.

- **Founded:** 2000
- **Headquarters:** Burlington, United States
- **Founders:** Farnam Jahanian (Co-founder; former chief scientist and chairman), G. Robert Malan (Co-founder; technologist)
- **Products:** Arbor Sightline, Arbor Threat Mitigation System (TMS), Arbor Edge Defense (AED), Arbor Cloud, ATLAS Intelligence Feed (AIF)
- **Notable:** Commercialized University of Michigan network-security research in 2000., Raised $33 million cumulatively by its August 2002 Series B announcement., Joined NETSCOUT in July 2015 as part of the Danaher Communications Business acquisition.

## Products & services

- **Arbor Sightline** — Network telemetry analysis, traffic engineering, DDoS detection and mitigation orchestration for service providers and complex enterprise networks.
- **Arbor Threat Mitigation System (TMS)** — Stateless traffic scrubbing coordinated with Sightline to remove attack traffic while passing legitimate traffic.
- **Arbor Edge Defense (AED)** — Inline perimeter DDoS protection between the internet router and firewall; also blocks known malicious inbound and outbound communications.
- **Arbor Cloud** — Managed cloud DDoS scrubbing launched in 2014; current product page lists 33 Tbps of capacity across 16 global centers.
- **ATLAS Intelligence Feed (AIF)** — Subscription threat intelligence combining global telemetry, AI/ML analysis and ASERT expertise to inform Arbor defenses.
- **Arbor Insight** — Traffic analytics, relationship visualization and forensic investigation integrated with Sightline.
- **Arbor Managed Services** — Expert management and 24x7 operational support for DDoS protection.
- **Cyber Threat Horizon** — Free portal for visualizing global DDoS activity.

## Achievements

- Commercialized University of Michigan network-security research in 2000.
- Raised $33 million cumulatively by its August 2002 Series B announcement.
- Joined NETSCOUT in July 2015 as part of the Danaher Communications Business acquisition.
- Current Arbor Cloud product page lists 33 Tbps of mitigation capacity across 16 global scrubbing centers.

## Latest updates

- **2026-07** — NETSCOUT announced an Arbor Cloud capacity expansion to 33 Tbps across 16 centers, with completion expected by the end of August 2026. The current product page now lists 33 Tbps.
- **2025-09** — NETSCOUT published a 25-year retrospective on Arbor Networks and its DDoS product evolution.
- **2025-06** — NETSCOUT reported Omdia recognition for Arbor DDoS prevention technology, based on the Q3-Q4 2024 market tracker.

## Links

- Website: https://www.netscout.com/arbor
- LinkedIn: https://www.linkedin.com/company/arbornetworks/
- Twitter/X: https://x.com/NETSCOUT
- GitHub: https://github.com/arbor
- Facebook: https://www.facebook.com/NETSCOUTinc

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Last updated: 2026-10-23