Fastly DDoS Protection vs NETSCOUT Arbor Threat Mitigation System: Side-by-Side Comparison (2026)

Fastly DDoS Protection: Cloud-based DDoS protection for apps and APIs with automatic mitigation. built by Fastly. Core capabilities include Adaptive Threat Engine for automatic attack detection and mitigation, 497+ Tbps network capacity for absorbing large-scale attacks, Network layer attack absorption with non-HTTP/HTTPS traffic filtering..

NETSCOUT Arbor Threat Mitigation System: DDoS mitigation system for ISPs, cloud providers, and enterprises. built by NETSCOUT. Core capabilities include Automatic DDoS detection and mitigation, Up to 50 Tbps mitigation capacity in single deployment, Up to 500 Gbps mitigation per appliance..

Both serve the DDoS Mitigation market but differ in approach, feature depth, and target audience.

Fastly DDoS Protection differentiates with Adaptive Threat Engine for automatic attack detection and mitigation, 497+ Tbps network capacity for absorbing large-scale attacks, Network layer attack absorption with non-HTTP/HTTPS traffic filtering. NETSCOUT Arbor Threat Mitigation System differentiates with Automatic DDoS detection and mitigation, Up to 50 Tbps mitigation capacity in single deployment, Up to 500 Gbps mitigation per appliance.

Fastly DDoS Protection is developed by Fastly. NETSCOUT Arbor Threat Mitigation System is developed by NETSCOUT. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Fastly DDoS Protection and NETSCOUT Arbor Threat Mitigation System serve similar DDoS Mitigation use cases: both are DDoS Mitigation tools, both cover DDOS. Review the feature comparison above to determine which fits your requirements.