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42 Best NETSCOUT Arbor Sightline Alternatives & Competitors (2026) | CybersecTools

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NETSCOUT Arbor Sightline

Best NETSCOUT Arbor Sightline Alternatives & Competitors in 2026

Top picks: Nexusguard Edge Protection, Nexusguard Network Protection, Nexusguard Application Protection — plus 39 more compared.

Network Security

Evaluating NETSCOUT Arbor Sightline alternatives comes down to matching Network Security capabilities to your environment, integrations, and budget rather than chasing feature parity. The options below are compared on what actually drives a switch: coverage, deployment fit, pricing, and real reviews from security teams. Independent and vendor-neutral: we never sell rankings.

NETSCOUT Arbor Sightline Alternatives and Competitors

NETSCOUT Arbor Sightline is a commercial DDoS Mitigation tool developed by NETSCOUT. Security professionals most commonly compare it with Nexusguard Edge Protection, Nexusguard Network Protection, Nexusguard Application Protection, Nexusguard DNS Protection, and Nexusguard Bastions. All 42 alternatives are matched by shared capabilities, tags, and NIST CSF 2.0 coverage.

Data verified Jul 2026

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Top NETSCOUT Arbor Sightline Alternatives and Competitors at a Glance

A closer look at the 8 most relevant alternatives and competitors to NETSCOUT Arbor Sightline, including their key features and shared capabilities.

Nexusguard Edge Protection

Commercial

DDoS Mitigation

DDoS protection solution with scrubbing centers and threat mitigation

Key features: DDoS attack detection and mitigation, Global network of 40+ DDoS scrubbing centers, Protection for 50,000 ASNs worldwide, Real-time traffic filtering, DDoS statistical reporting and trend analysis

View Nexusguard Edge Protection|Nexusguard Edge Protection alternatives|Compare Nexusguard Edge Protection

Nexusguard Network Protection

Commercial

DDoS Mitigation

DDoS protection solution with global scrubbing centers and ISP partnerships

Key features: DDoS traffic scrubbing through 40+ global centers, Protection for 50,000 ASNs worldwide, Network-level DDoS mitigation, ISP and service provider integration, DDoS statistical reporting and trend analysis

View Nexusguard Network Protection|Nexusguard Network Protection alternatives|Compare Nexusguard Network Protection

Nexusguard Application Protection

Commercial

DDoS Mitigation

DDoS protection solution for web applications and network infrastructure

Key features: DDoS traffic scrubbing through 40+ global scrubbing centers, Real-time DDoS attack detection and monitoring, Protection for 50,000 ASNs worldwide, Application layer DDoS protection, Network layer DDoS protection

View Nexusguard Application Protection|Nexusguard Application Protection alternatives|Compare Nexusguard Application Protection

Nexusguard DNS Protection

Commercial

DDoS Mitigation

DNS-focused DDoS protection service with scrubbing centers

Key features: DNS-focused DDoS protection, Global network of 40+ DDoS scrubbing centers, Protection for 50,000 ASNs worldwide, DDoS traffic filtering and mitigation, Virtual demo access

View Nexusguard DNS Protection|Nexusguard DNS Protection alternatives|Compare Nexusguard DNS Protection

Nexusguard Bastions

Commercial

DDoS Mitigation

DDoS protection service with global scrubbing centers for ISPs and enterprises

Key features: DDoS scrubbing through 40+ global centers, Protection for 50,000 ASNs worldwide, Network-level DDoS attack mitigation, DDoS statistical reporting and trend analysis, Cybersecurity training through Nexusguard Academy

View Nexusguard Bastions|Nexusguard Bastions alternatives|Compare Nexusguard Bastions

Nexusguard Clean Pipe

Commercial

DDoS Mitigation

DDoS protection service with global scrubbing centers and clean pipe delivery

Key features: DDoS traffic scrubbing through dedicated global centers, Clean pipe traffic delivery model, Protection for ASNs and network infrastructure, Real-time DDoS attack mitigation, Virtual demo access

View Nexusguard Clean Pipe|Nexusguard Clean Pipe alternatives|Compare Nexusguard Clean Pipe

Genie Networks GenieATM

Commercial

DDoS Mitigation

Network traffic analysis and DDoS detection/mitigation platform for ISPs and IDCs.

Key features: Multi-dimensional traffic analysis using correlated Flow records, SNMP, and BGP data, Machine-learned DDoS detection including carpet bombing and zero-day anomalies, BGP routing instability detection (hijacks, unexpected changes, excessive BGP updates), Real-time and historical Traffic Snapshot with Top-N analysis and drill-down, Automated mitigation via BGP FlowSpec and Remote Black Hole Routing

View Genie Networks GenieATM|Genie Networks GenieATM alternatives|Compare Genie Networks GenieATM

Blindspot Intelligent Network & Infra Protection

Commercial

DDoS Mitigation

Behavioral ML-based network protection against DDoS and advanced threats.

Key features: Behavioral traffic baseline profiling using machine learning, Automated sub-second threat detection and mitigation, Real-time dashboards for traffic flows, attack events, and mitigation actions, IP flow analysis with drill-down into source-destination pairs and protocol breakdowns, Historical data retention for traffic telemetry and attack records

View Blindspot Intelligent Network & Infra Protection|Blindspot Intelligent Network & Infra Protection alternatives|Compare Blindspot Intelligent Network & Infra Protection

All 42 Alternatives & Competitors to NETSCOUT Arbor Sightline

Compare

Nexusguard Edge Protection

DDoS protection solution with scrubbing centers and threat mitigation

DDoS Mitigation

Compare

Nexusguard Network Protection

DDoS protection solution with global scrubbing centers and ISP partnerships

DDoS Mitigation

Compare

Nexusguard Application Protection

DDoS protection solution for web applications and network infrastructure

DDoS Mitigation

Compare

Nexusguard DNS Protection

DNS-focused DDoS protection service with scrubbing centers

DDoS Mitigation

Compare

Nexusguard Bastions

DDoS protection service with global scrubbing centers for ISPs and enterprises

DDoS Mitigation

Compare

Nexusguard Clean Pipe

DDoS protection service with global scrubbing centers and clean pipe delivery

DDoS Mitigation

Compare

Genie Networks GenieATM

Network traffic analysis and DDoS detection/mitigation platform for ISPs and IDCs.

DDoS Mitigation

Compare

Blindspot Intelligent Network & Infra Protection

Behavioral ML-based network protection against DDoS and advanced threats.

DDoS Mitigation

Compare

NETSCOUT Arbor Sightline Mobile

DDoS threat detection & traffic anomaly monitoring for 4G/5G mobile networks

DDoS Mitigation

Compare

Allot 5G NetProtect

Cloud-native 5G network security for CSPs with DDoS, IoT, and botnet protection.

DDoS Mitigation

Compare

Continuous DDoS testing platform that validates defenses via nondisruptive sims.

DDoS Mitigation

Compare

Akamai Edge DNS

Cloud-based DNS service with DDoS protection and traffic management

DDoS Mitigation

Compare

Akamai Prolexic

DDoS protection for cloud, on-premises, and hybrid environments

DDoS Mitigation

Compare

Sense Defence AI-Powered DDoS Prevention

AI-based DDoS mitigation using traffic entropy analysis and ML algorithms

DDoS Mitigation

Compare

Infoblox DNS Infrastructure Protection

Protects DNS infrastructure from DDoS and DNS-based attacks

DDoS Mitigation

Compare

Indusface AppTrana

Managed DDoS protection service for websites and APIs with 24x7 SOC monitoring

DDoS Mitigation

Compare

Fastly DDoS Protection

Cloud-based DDoS protection for apps and APIs with automatic mitigation

DDoS Mitigation

Compare

Alibaba Cloud Anti-DDoS

Alibaba Cloud's global DDoS protection service with 20+ Tbit/s mitigation capacity.

DDoS Mitigation

Compare

Imperva DDoS Protection

Cloud-based DDoS mitigation for Layer 3, 4, and 7 attacks with 3-second SLA

DDoS Mitigation

Compare

DNS and Global Server Load Balancing solution with DDoS protection

DDoS Mitigation

Compare

NSFOCUS Anti-DDoS System

On-premises DDoS mitigation appliance for service providers

DDoS Mitigation

Compare

Baffin Bay Network DDoS Protection

DDoS mitigation service protecting networks and data centers from attacks

DDoS Mitigation

Compare

Corero SmartWall ONE

DDoS mitigation system with network threat defense capabilities

DDoS Mitigation

Compare

NETSCOUT Arbor Edge Defense (AED)

AI-powered inline DDoS protection deployed at network edge perimeter

DDoS Mitigation

Compare

NETSCOUT Arbor Cloud DDoS Protection Services

Cloud-based DDoS mitigation service with hybrid on-premise protection

DDoS Mitigation

Compare

NETSCOUT Arbor Managed DDoS Protection Services

Managed DDoS protection service with 24x7 SOC support and mitigation

DDoS Mitigation

Compare

NETSCOUT Arbor Threat Mitigation System

DDoS mitigation system for ISPs, cloud providers, and enterprises

DDoS Mitigation

Compare

Link11 Secure CDN

CDN with DDoS protection and AI-driven threat detection capabilities

DDoS Mitigation

Compare

EU-based DDoS protection and web application security platform

DDoS Mitigation

Compare

Nexusguard Origin Protection

DDoS protection solution with origin server protection capabilities

DDoS Mitigation

Compare

DDoS protection platform with global scrubbing centers and ISP partnerships

DDoS Mitigation

Compare

Myra Network Security Solutions

DDoS protection for data centers via cloud, hybrid, or on-prem deployment

DDoS Mitigation

Compare

MCK Managed DDoS Protection

Managed DDoS mitigation service with multi-layered protection & monitoring

DDoS Mitigation

Compare

HARPP DDoS Mitigator

Hardware DDoS mitigation appliance using Deep DDoS Inspection (DDI™) tech.

DDoS Mitigation

Compare

Avydos DDoS Threat Simulation

Self-service cloud platform for controlled DDoS simulation and resilience testing.

DDoS Mitigation

Compare

F5 BIG-IP LTM load balancer with Layer 7 control and SSL offload.

DDoS Mitigation

Compare

An open source DDoS protection system that uses distributed algorithms to defend against multi-vector attacks and scale to handle varying bandwidth requirements for network operators and service providers.

DDoS Mitigation

Free

Compare

Link11 DDoS Emergency

Emergency DDoS mitigation service with 24/7 support and traffic redirection

DDoS Mitigation

Compare

DDoS protection firm acquired by Link11 GmbH in Jan 2021.

DDoS Mitigation

Compare

A privacy-focused CAPTCHA alternative that protects websites from bot attacks using proof-of-work challenges and AI-based detection while maintaining GDPR compliance.

DDoS Mitigation

Compare

AWS Shield provides managed DDoS protection for your applications, automatically detecting and mitigating sophisticated network-level DDoS events.

DDoS Mitigation

Free

Compare

Azure DDoS Protection and Mitigation Services

Azure DDoS Protection and Mitigation Services by Microsoft Azure for secure cloud solutions.

DDoS Mitigation

Free

Also compare alternatives to:

Nexusguard Edge Protection alternatives Nexusguard Network Protection alternatives Nexusguard Application Protection alternatives Nexusguard DNS Protection alternatives Nexusguard Bastions alternatives Nexusguard Clean Pipe alternatives Genie Networks GenieATM alternatives Blindspot Intelligent Network & Infra Protection alternatives NETSCOUT Arbor Sightline Mobile alternatives Allot 5G NetProtect alternatives MazeBolt RADAR alternatives Akamai Edge DNS alternatives

Compare NETSCOUT Arbor Sightline with:

NETSCOUT Arbor Sightline vs Nexusguard Edge Protection NETSCOUT Arbor Sightline vs Nexusguard Network Protection NETSCOUT Arbor Sightline vs Nexusguard Application Protection NETSCOUT Arbor Sightline vs Nexusguard DNS Protection NETSCOUT Arbor Sightline vs Nexusguard Bastions NETSCOUT Arbor Sightline vs Nexusguard Clean Pipe NETSCOUT Arbor Sightline vs Genie Networks GenieATM NETSCOUT Arbor Sightline vs Blindspot Intelligent Network & Infra Protection

NETSCOUT Arbor Sightline Alternatives FAQ

Common questions security professionals ask when evaluating alternatives and competitors to NETSCOUT Arbor Sightline.

What are the best alternatives to NETSCOUT Arbor Sightline?

The most popular alternatives to NETSCOUT Arbor Sightline include Nexusguard Edge Protection, Nexusguard Network Protection, Nexusguard Application Protection, Nexusguard DNS Protection, and Nexusguard Bastions. These DDoS Mitigation tools offer similar capabilities and are frequently compared by security professionals evaluating their options.

How many alternatives to NETSCOUT Arbor Sightline are available?

There are 42 alternatives to NETSCOUT Arbor Sightline listed on CybersecTools, all within the DDoS Mitigation category. Each alternative is matched based on shared capabilities, tags, and NIST CSF coverage areas.

Is NETSCOUT Arbor Sightline free or commercial?

NETSCOUT Arbor Sightline is a commercial DDoS Mitigation tool. It requires a paid license or subscription. Both free and commercial alternatives are available for comparison.

What type of tool is NETSCOUT Arbor Sightline?

NETSCOUT Arbor Sightline is a DDoS Mitigation tool within the broader Network Security category. It is used by security professionals for ddos mitigation capabilities and can be compared against 42 similar tools.

Have more questions? Browse our categories or search for specific tools.

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