CISO Tribune

Vendor comparison · 2 companies

NETSCOUT vs Network Critical

NETSCOUT sells observability, cybersecurity, and AIOps solutions powered by the NETSCOUT Data Platform. Network Critical sells modular TAP and Packet Broker solutions for network visibility. CISO Tribune files both under DDoS protection and Network visibility and traffic brokering. This page sets the two records side by side: what each sells, where it is based, who owns and funds it, the customers it names and its recent news, each fact numbered to its source.

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Up to four companies side by side.

  • NETSCOUT
  • Network Critical
NETSCOUT vs Network Critical: Products, Customers and Funding Compared
NETSCOUTNETSCOUT sells observability, cybersecurity, and AIOps solutions powered by the NETSCOUT Data Platform.netscout.comNetwork CriticalNetwork Critical sells modular TAP and Packet Broker solutions for network visibility.networkcritical.com
What it sells
  • Arbor Edge Defense (AED)[7]Arbor Edge Defense (AED) is an inline security appliance deployed at the network perimeter.
  • Arbor Sightline Mobile[7]Arbor Sightline Mobile identifies security threats and traffic anomalies in 4G and 5G networks.
  • ATLAS Intelligence Feed (AIF)[7]ATLAS Intelligence Feed (AIF) provides threat intelligence on DDoS threats.
  • nGenius Collector[7]The nGenius Collector is an appliance that collects flow-based data from enabled instrumentation.
  • NETSCOUT Visibility as a Service[8]NETSCOUT Visibility as a Service (VaaS) pairs a customer team with expert engineers.
  • Network TAPs[1][3]A network TAP creates an exact copy of all data flowing between two points in a network.
  • Packet Brokers[1][7][8][13]Network packet brokers process inputs from multiple sources and deliver the right traffic to the right tools.
  • Hybrid TAP and Packet Broker[8]A hybrid test access point and packet broker combines the functions of a TAP and a packet broker in one package.
  • Bypass TAPs[9][10]A bypass TAP monitors security devices and reroutes network traffic around failing tools.
  • INVIKTUS[1][11][12]INVIKTUS is a zero-trust security solution.
  • Ethernet TAPs[6]Ethernet TAPs capture network traffic without impacting performance.
  • Passive Fiber TAPs[5]Passive fiber TAPs provide always-on monitoring, including when the power is out.
Categories
Headquarters
Westford, United StatesNot stated on its pages
Founded
Not stated on its pagesNot stated on its pages
Ownership and funding
Public (NASDAQ: NTCT)[2][4][5]Not stated on its pages
Named customers
Not stated on its pagesNot stated on its pages
Recent news
Not stated on its pagesNot stated on its pages
G2 and Gartner Peer Insights
  • G2: Not stated on its pages
  • Gartner Peer Insights: listed, seen October 26, 2026[5]
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
Who it fits
From its own pages, NETSCOUT sells to both enterprises and service providers. Enterprises are offered DDoS mitigation with on-premises and cloud defense in a hybrid model. Mobile network operators are offered DDoS protection for multi-access edge computing environments. Communication service providers are offered service assurance and security for IoT devices. Financial entities are offered compliance solutions for DORA. NETSCOUT can deploy network detection and response into AWS environments.Network Critical provides bypass TAPs for data centres running inline IPS, firewalls and DDoS mitigation tools. Network Critical describes its data diodes as suitable for highly regulated sectors, such as military, ICS and SCADA infrastructure. Network Critical describes its environmentally protected OT devices as suited to manufacturing floors, utility substations and outdoor installations.
Last verified
November 9, 2026November 8, 2026

Where they overlap

  • NETSCOUT and Network Critical are both filed under DDoS protection and Network visibility and traffic brokering.

Where they differ, field by field

  • NETSCOUT's primary category is DDoS protection; Network Critical's is Network visibility and traffic brokering.
  • NETSCOUT is also filed under Network detection and response. Network Critical is also filed under OT and ICS security.
  • NETSCOUT lists Arbor Edge Defense (AED), Arbor Sightline Mobile, ATLAS Intelligence Feed (AIF), nGenius Collector and NETSCOUT Visibility as a Service. Network Critical lists Network TAPs, Packet Brokers, Hybrid TAP and Packet Broker, Bypass TAPs, INVIKTUS and 2 more.
  • NETSCOUT is headquartered in Westford, United States.
  • NETSCOUT is a public company listed on NASDAQ as NTCT.

What it sells: NETSCOUT

What Arbor Edge Defense (AED) does[7]
Arbor Edge Defense (AED) is deployed between the internet router and firewall. Arbor Edge Defense (AED) provides stateless, on-premise DDoS protection.
What Arbor Sightline Mobile does[7]
Arbor Sightline Mobile identifies security threats and traffic anomalies in 4G and 5G networks. Arbor Sightline Mobile provides visibility into traffic behavior across a mobile network.
What nGenius Collector does[7]
The nGenius Collector collects flow-based data from enabled instrumentation. The nGenius Collector then analyzes the data and generates insights for use by network teams.
What NETSCOUT Visibility as a Service does[8]
NETSCOUT Visibility as a Service (VaaS) pairs a customer team with expert engineers. The expert engineers configure and manage the customer deployment.

What it sells: Network Critical

What Network TAPs does[1][3]
A network TAP creates an exact copy of all data flowing between two points in a network. TAPs are used to monitor network traffic for performance, security, or compliance.
What Packet Brokers does[1][7][8][13]
Network packet brokers process inputs from multiple sources and deliver the right traffic to the right tools. SmartNA-PortPlus is a packet broker that aggregates low-speed links onto fewer high-speed tools.
What Hybrid TAP and Packet Broker does[8]
A hybrid test access point and packet broker combines the functions of a TAP and a packet broker in one package. Hybrid TAP and packet brokers offer traffic aggregation, load balancing and port mapping. They use interchangeable, hot-swappable TAP modules, including fail-safe copper.
What Bypass TAPs does[9][10]
A bypass TAP monitors security devices and reroutes network traffic around failing tools. Bypass TAPs send small test signals, known as heartbeats, to security appliances. SmartNA-XL bypass TAPs detect when inline security tools fail and redirect traffic in real-time.
What INVIKTUS does[1][11][12]
INVIKTUS is a zero-trust security solution. INVIKTUS network security is built on the zero-trust framework and analyzes and validates traffic.
What Ethernet TAPs does[6]
Ethernet TAPs capture network traffic without impacting performance. Ethernet TAPs can be deployed as standalone TAPs or within SmartNA chassis for advanced traffic management.

Questions about NETSCOUT and Network Critical

What do NETSCOUT and Network Critical sell?
NETSCOUT sells Arbor Edge Defense (AED), Arbor Sightline Mobile, ATLAS Intelligence Feed (AIF), nGenius Collector and NETSCOUT Visibility as a Service. Network Critical sells Network TAPs, Packet Brokers, Hybrid TAP and Packet Broker, Bypass TAPs, INVIKTUS and 2 more.
Are NETSCOUT and Network Critical in the same category?
They share DDoS protection and Network visibility and traffic brokering. NETSCOUT's primary category is DDoS protection and Network Critical's is Network visibility and traffic brokering.
Where are NETSCOUT and Network Critical headquartered?
NETSCOUT is headquartered in Westford, United States.
Who owns NETSCOUT and Network Critical?
NETSCOUT is a public company listed on NASDAQ as NTCT.
Who are NETSCOUT and Network Critical sold to?
From its own pages, NETSCOUT sells to both enterprises and service providers. Network Critical provides bypass TAPs for data centres running inline IPS, firewalls and DDoS mitigation tools.

About NETSCOUT

NETSCOUT sells observability, cybersecurity, and AIOps solutions powered by the NETSCOUT Data Platform. NETSCOUT describes Smart Data as structured, enriched, AI-ready metadata that captures how services, applications, and users are performing. NETSCOUT analyzes network traffic using deep packet inspection and transforms observed AI communications into Smart Data. NETSCOUT presents its data foundation as the source for its own observability and cybersecurity applications and for broader AIOps and partner ecosystems.[6]

The NETSCOUT portfolio includes products for cybersecurity, network and application performance, AIOps, service assurance, business analytics, DDoS protection, threat intelligence, and more. Arbor Edge Defense (AED) is an inline security appliance deployed at the network perimeter, between the internet router and firewall. Arbor Edge Defense (AED) provides stateless, on-premise DDoS protection. Arbor Cloud Web Application Firewall (WAF) covers threats including SQL injection, XSS, and DDoS attacks. Arbor Insight provides network traffic engineering and analytics for workflows in Arbor Sightline. Arbor Managed Services provides management of DDoS protection with 24x7 worldwide expert help and continuous threat intelligence. Arbor Sightline Mobile identifies security threats and traffic anomalies in 4G and 5G networks. Arbor Sightline with Sentinel provides automated DDoS protection to simplify incident response. Arbor Threat Mitigation System (TMS) filters out malicious traffic while allowing legitimate traffic to pass through.[7][8]

On the monitoring side, InfiniStreamNG is an application and network monitoring software appliance from NETSCOUT. NETSCOUT's nGeniusONE solution offers visibility and real-time intelligence for IT troubleshooting of applications and networks across the enterprise. NETSCOUT's nGeniusPULSE performs 24x7 synthetic testing and monitoring of applications and business services. The nGenius Collector is an appliance that collects flow-based data from enabled instrumentation. The nGenius Collector then analyzes the data and generates insights for use by network teams. nGenius Business Analytics provides insights from the high volume of traffic data derived from the network. nGenius for Flows enables visibility throughout network infrastructure, beyond data centers. nGenius Cloud vTAP addresses visibility gaps in cloud environments. nGenius Session Analyzer provides visibility into end-to-end call flows for resolving subscriber trouble tickets.[7]

NETSCOUT also sells hardware and software for packet access. NETSCOUT TAPs provide network monitoring devices with full access to network traffic. nGenius 5000 Series Packet Flow Switches have speeds from 1Gbps to 400Gbps and provide core packet broker functionality. nGenius 7000 Series Packet Flow Switches provide core packet broker functionality plus filtering, load balancing, and more, at speeds from 1Gbps to 400Gbps. nGenius PFS Fabric Manager provides a central management pane for orchestration of the packet flow switch fabric. nGenius Packet Flow eXtender is a software application that enables packet deduplication and NetFlow generation. Omnis CyberStream uses scalable deep packet inspection. Omnis Streamer includes a built-in Model Context Protocol (MCP) server.[7]

For carriers and mobile networks, nGeniusONE for Carrier Service Providers is a service assurance solution covering voice, video, internet, OTT, and other carrier networks. InfiniStreamNG RAN enables data collection, correlation, ISMI and IMEI enrichment and storage, and more across radio access networks. MobileStream uses Smart Data technology to monitor both user and control plane traffic within 4G and 5G mobile networks. NETSCOUT provides service assurance and security for CSPs across all types of IoT devices. NETSCOUT offers end-to-end observability solutions for 5G fixed wireless access. NETSCOUT offers DDoS protection technology for mobile network operators running multi-access edge computing environments. Adaptive DDoS Protection lets service providers detect DDoS attacks at any granularity.[1][7][8]

Adaptive DDoS Protection provides on-prem and cloud defense to create a hybrid DDoS mitigation solution. NETSCOUT sells DNS DDoS protection solutions powered by its Arbor DDoS mitigation. NETSCOUT firewall DDoS protection solutions deploy stateless measures. NETSCOUT's network detection and response solution enables teams to investigate activity before, during, and after an event. NETSCOUT can deploy network detection and response (NDR) into AWS environments. NETSCOUT offers shared datasets and instrumentation for collaboration between NetOps and SecOps teams. NETSCOUT uses Smart Data to surface shadow AI across the network. NETSCOUT Cyber Threat Horizon is a free tool of real-time global threat data used to visualize real cyberattacks.[6][7][8]

NETSCOUT Visibility as a Service (VaaS) pairs a customer team with expert engineers to configure and manage a deployment. NETSCOUT offers compliance solutions for DORA aimed at financial entities. NETSCOUT has published updated versions of its SOC 2 report and its ISO 27001 / ISO 27017 certification documentation.[3][7][8][9]

NETSCOUT on the record

Sources

NETSCOUT full record

  1. [1]netscout.comNETSCOUT · netscout.com · undated page, accessed September 27, 2026 · Tier A
  2. [2]DefaultNETSCOUT · ir.netscout.com · undated page, accessed September 27, 2026 · Tier A
  3. [3]D128983d8kNETSCOUT via SEC EDGAR · sec.gov · published June 1, 2022 · Tier A
  4. [4]NETSCOUT Observability, Cybersecurity, DDoS, & AIOps SolutionsNETSCOUT · undated page, accessed October 26, 2026 · Tier A
  5. [5]NETSCOUT SYSTEMS Reviews - Gartner Peer InsightsGartner Peer Insights · undated page, accessed October 26, 2026 · Tier C
  6. [6]Shadow AI Detection | NETSCOUTNETSCOUT · undated page, accessed November 10, 2026 · Tier A
  7. [7]Products | NETSCOUTNETSCOUT · undated page, accessed November 10, 2026 · Tier A
  8. [8]Solutions | NETSCOUTNETSCOUT · undated page, accessed November 10, 2026 · Tier A
  9. [9]NETSCOUT Trust Center | Powered by SafeBaseNETSCOUT · undated page, accessed November 10, 2026 · Tier A

Network Critical full record

  1. [1]networkcritical.comNetwork Critical · networkcritical.com · undated page, accessed November 8, 2026 · Tier A
  2. [2]Stars group case studyNetwork Critical · networkcritical.com · undated page, accessed November 8, 2026 · Tier A
  3. [3]Aviation Case Study | Network CriticalNetwork Critical · undated page, accessed November 10, 2026 · Tier A
  4. [4]Network TAPs | Network CriticalNetwork Critical · undated page, accessed November 10, 2026 · Tier A
  5. [5]Passive Fiber TAPs | Network CriticalNetwork Critical · undated page, accessed November 10, 2026 · Tier A
  6. [6]Ethernet TAPs | Network CriticalNetwork Critical · undated page, accessed November 10, 2026 · Tier A
  7. [7]Network Visibility Solutions | Network CriticalNetwork Critical · undated page, accessed November 10, 2026 · Tier A
  8. [8]Hybrid TAP and Packet Broker | Network CriticalNetwork Critical · undated page, accessed November 10, 2026 · Tier A
  9. [9]Bypass TAPs for Inline Data Centre Security | Network CriticalNetwork Critical · undated page, accessed November 10, 2026 · Tier A
  10. [10]Network Bypass TAPs | Network CriticalNetwork Critical · undated page, accessed November 10, 2026 · Tier A
  11. [11]Healthcare Case Study | Network CriticalNetwork Critical · undated page, accessed November 10, 2026 · Tier A
  12. [12]OT Network Monitoring Solutions | Network CriticalNetwork Critical · undated page, accessed November 10, 2026 · Tier A
  13. [13]Data Diodes | Network CriticalNetwork Critical · undated page, accessed November 10, 2026 · Tier A

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