CISO Tribune

Vendor comparison · 2 companies

ExtraHop vs Guardsix

ExtraHop sells RevealX, a platform that brings NDR, NPM, forensics, and IDS together. Guardsix is a European security company that sells a sovereign security platform for lean defenders, with products for SIEM, NDR, SOAR, fleet management and access governance. CISO Tribune files both under Network detection and response. 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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  • ExtraHop
  • Guardsix
ExtraHop vs Guardsix: Products, Customers and Funding Compared
ExtraHopExtraHop sells RevealX, a platform that brings NDR, NPM, forensics, and IDS together.extrahop.comGuardsixGuardsix is a European security company that sells a sovereign security platform for lean defenders, with products for SIEM, NDR, SOAR, fleet management and access governance.guardsix.com
What it sells
  • RevealX[1][2][3][5][6][7][8][9][10][11]A platform that brings NDR, NPM, forensics, and IDS together.
  • RevealX NDR[3][5]Detects potential cyber threats across the attack surface.
  • RevealX NPM[3][10]Monitors potential network and application performance issues.
  • Intrusion Detection SystemAn add-on module to the RevealX platform's core NDR module.
  • Packet Forensics[1][3][6]An add-on module that provides packet-level visibility.
  • ExtraHop Premier Support[11]An enhanced support offering for large-scale enterprises and organizations.
  • Guardsix SIEM[4][7][8][9][10]A SIEM for lean teams defending Europe, with sovereign log management and audit-ready evidence.
  • Guardsix NDR[4][9]Network detection that pairs with Guardsix SIEM across IT and OT.
  • Guardsix SOAR[4][10]The automation and response layer of Guardsix SIEM.
  • Guardsix Governance[4][12]Audit-ready access control, built first for healthcare.
Categories
Headquarters
Not stated on its pagesCopenhagen, Denmark[3][8]
Founded
Not stated on its pagesNot stated on its pages
Ownership and funding
Not stated on its pagesOwned by Summa Equity since 2023[3][4][6]
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 November 10, 2026[12]
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
Who it fits
From its own pages, ExtraHop sells mainly to security teams and operations teams that monitor hybrid and multicloud networks. ExtraHop describes customers ranging from lean security teams to complex global enterprises, and its premium support tier is aimed at large-scale enterprises and organizations. ExtraHop also addresses operators of bulk electric system assets that fall under NERC rules requiring internal network security monitoring.From its own pages, Guardsix sells mainly to lean security teams at European organisations in energy, healthcare, government and public services. It also addresses MSSPs and security service providers that run many customer environments. It names critical national infrastructure operators as a focus, and it describes its NDR for complex, regulated environments with IT/OT infrastructure. Guardsix Governance is aimed first at hospital IT and compliance teams. Guardsix frames its offer around organisations accountable to NIS2, DORA and GDPR, and says it is on-prem by default.
Last verified
November 3, 2026September 27, 2026

Where they overlap

  • ExtraHop and Guardsix are both filed under Network detection and response.

Where they differ, field by field

  • ExtraHop's primary category is Network detection and response; Guardsix's is SIEM.
  • ExtraHop is also filed under Network visibility and traffic brokering. Guardsix is also filed under SOAR and security automation.
  • ExtraHop lists RevealX, RevealX NDR, RevealX NPM, Intrusion Detection System, Packet Forensics and 1 more. Guardsix lists Guardsix SIEM, Guardsix NDR, Guardsix SOAR and Guardsix Governance.
  • Guardsix is headquartered in Copenhagen, Denmark.
  • Guardsix is owned by Summa Equity, since 2023.

What it sells: ExtraHop

What RevealX does[1][2][3][5][6][7][8][9][10][11]
RevealX combines NDR, network performance monitoring (NPM), intrusion detection (IDS), and network forensics in a single platform. The RevealX platform consists of sensors, recordstores, and a console for centralized management and unified data views. RevealX can be self-hosted or cloud delivered for use in public networks to air-gapped environments, with physical and virtual sensors available.
What RevealX NDR does[3][5]
RevealX NDR detects potential cyber threats across the attack surface. RevealX NDR can decrypt SSL/TLS (including TLS 1.3), NTLM, Kerberos, and SMBv3 network traffic. RevealX NDR uses a port mirror or tap to passively ingest network traffic.
What RevealX NPM does[3][10]
RevealX NPM is focused on performance. RevealX NPM uses wire data to troubleshoot disruptions and verify SLAs across substation automation, SCADA services, and EMS.
What Intrusion Detection System does
IDS and Packet Forensics modules are add-on modules to the RevealX platform’s core NDR module. IDS can be deployed and managed from the same RevealX NDR sensor.
What Packet Forensics does[1][3][6]
Packet Forensics provides packet-level visibility to investigate the severity and scope of activity in multi-cloud or hybrid networks. The RevealX platform integrates Packet Forensics with a scalable packet capture (PCAP) repository.

What it sells: Guardsix

What Guardsix SIEM does[4][7][8][9][10]
Guardsix SIEM delivers sovereign log management across hybrid, on-prem, OT and cloud. It is self-hosted and air-gappable, with node-based pricing. Ready-to-use content packs are aligned with NIS2, DORA and GDPR requirements.
What Guardsix NDR does[4][9]
Guardsix NDR pairs with Guardsix SIEM as one platform. It uses machine-learning analytics and stitches related signals into a single timeline across the seven phases of an attack. Guardsix says any analyst on a lean team can use it productively from day one.
What Guardsix SOAR does[4][10]
Guardsix SOAR provides automated investigation and response workflows built into the same platform as Guardsix SIEM. Playbooks execute locally.
What Guardsix Governance does[4][12]
Guardsix Governance for Healthcare gives hospital IT and compliance teams the visibility, reporting and audit trails that healthcare regulators expect. Reviewers comment, approve and escalate in-browser, and every action is preserved alongside the evidence.

Questions about ExtraHop and Guardsix

What do ExtraHop and Guardsix sell?
ExtraHop sells RevealX, RevealX NDR, RevealX NPM, Intrusion Detection System, Packet Forensics and 1 more. Guardsix sells Guardsix SIEM, Guardsix NDR, Guardsix SOAR and Guardsix Governance.
Are ExtraHop and Guardsix in the same category?
They share Network detection and response. ExtraHop's primary category is Network detection and response and Guardsix's is SIEM.
Where are ExtraHop and Guardsix headquartered?
Guardsix is headquartered in Copenhagen, Denmark.
Who owns ExtraHop and Guardsix?
Guardsix is owned by Summa Equity, since 2023.
Who are ExtraHop and Guardsix sold to?
From its own pages, ExtraHop sells mainly to security teams and operations teams that monitor hybrid and multicloud networks. From its own pages, Guardsix sells mainly to lean security teams at European organisations in energy, healthcare, government and public services.

About ExtraHop

ExtraHop sells RevealX, a platform that brings NDR, NPM, forensics, and IDS together. ExtraHop turns network traffic into real-time context for analysts and AI agents. RevealX combines NDR, network performance monitoring (NPM), intrusion detection (IDS), and network forensics in a single platform. NDR, short for network detection and response, is a category of cybersecurity solution that ingests and analyzes network traffic to detect suspicious activity and understand security risks and exposure.[1][2][3][4]

RevealX NDR is focused on cybersecurity, and RevealX NPM is focused on performance. RevealX NDR detects potential cyber threats across the attack surface, and RevealX NPM monitors potential network and application performance issues. The RevealX platform enables users to integrate modules for Intrusion Detection System (IDS) and Packet Forensics with a scalable packet capture (PCAP) repository. IDS and Packet Forensics modules are add-on modules to the RevealX platform’s core NDR module and cannot be purchased as standalone products.[1][3]

IDS can be deployed and managed from the same RevealX NDR sensor. Sensors with restricted access receive health and rule updates through automated cloud updates. Packet Forensics provides packet-level visibility to investigate the severity and scope of activity in multi-cloud or hybrid networks.[5]

RevealX NDR can decrypt SSL/TLS (including TLS 1.3), NTLM, Kerberos, and SMBv3 network traffic. RevealX NDR decodes 90+ protocols, including SMBv3, Kerberos, Active Directory, and MSRPC. RevealX NDR combines real-time detection of the latest CVEs with continuous behavioral machine learning. ExtraHop creates structured records from raw network packets and transports those records to ExtraHop Cloud Services. RevealX uses ML models to baseline performance and behaviors and to spot anomalies, unexpected changes, and risks. RevealX sensors discover and profile every device, user, and application and analyze over 5,000 metrics. RevealX provides information on weak ciphers and expiring certificates, and offers manual triage or AI-powered Smart Triage.[3][7][8]

RevealX sensors receive network packets via port mirroring, physical and virtual network taps, SPANs, and aggregation switches. RevealX sensors are not in-line like a firewall. RevealX sensors passively ingest traffic at up to 100 Gbps. RevealX sensors range from virtual sensors for AWS, Azure, and GCP to physical sensors designed for full 100 Gbps line rate high-speed networks. The RevealX platform consists of sensors, recordstores, and a console for centralized management and unified data views. RevealX can be self-hosted or cloud delivered for use in public networks to air-gapped environments, with physical and virtual sensors available. RevealX NDR can be deployed in on-premises, remote, and cloud environments.[1][3][7]

RevealX NDR can be purchased directly from ExtraHop, through channel partners and distributors, or via listings on marketplaces such as the AWS Marketplace. RevealX NDR is available as a managed security service via partners such as Binary Defense. ExtraHop has integrations with vendors including CrowdStrike, Splunk, Netskope, AWS, Microsoft, and Gigamon. RevealX can use the CrowdStrike Falcon agent for push-button response from ExtraHop detections. RevealX was designed to combine with tools like EDR, SIEM, SOAR, and SASE. RevealX NDR data can be sent to data lakes.[3][7][8]

RevealX can discover unmanaged OT devices like PLCs, RTUs, and IEDs without installing agents. RevealX decodes 90+ protocols, including native DNP3 and Modbus, at speeds up to 100 Gbps. ExtraHop offers a credit-based system for professional services, including implementation assistance, training, integrations, support, and more. Standard Support is included with the RevealX subscription or license. ExtraHop offers support in native languages across over 150 countries. ExtraHop support teams are distributed across the United States, Asia Pacific, and EMEA. All RevealX subscriptions include access to the ExtraHop Learning Hub.[3][5][7][9][10][11]

ExtraHop on the record

Sources

ExtraHop full record

  1. [1]extrahop.comExtraHop · extrahop.com · undated page, accessed November 3, 2026 · Tier A
  2. [2]Network visibility for the agentic enterprise — ExtraHopExtraHop · undated page, accessed November 10, 2026 · Tier A
  3. [3]ExtraHop Security and Performance FAQ: NDR & NPM Answers — ExtraHopExtraHop · undated page, accessed November 10, 2026 · Tier A
  4. [4]What is NDR — ExtraHopExtraHop · undated page, accessed November 10, 2026 · Tier A
  5. [5]Modern IDS - Automated security workflows — ExtraHopExtraHop · undated page, accessed November 10, 2026 · Tier A
  6. [6]Platform - Modern Network Detection and Response Solutions Platform — ExtraHopExtraHop · undated page, accessed November 10, 2026 · Tier A
  7. [7]How It Works: The All-in-One Sensor and Platform Explained — ExtraHopExtraHop · undated page, accessed November 10, 2026 · Tier A
  8. [8]ExtraHop Security: Advanced Capabilities for Threat Defense — ExtraHopExtraHop · undated page, accessed November 10, 2026 · Tier A
  9. [9]Speed Your SOC Transformation with ExtraHop — ExtraHopExtraHop · undated page, accessed November 10, 2026 · Tier A
  10. [10]Energy: Securing Critical Infrastructure and Grid Resilience — ExtraHopExtraHop · undated page, accessed November 10, 2026 · Tier A
  11. [11]Customer Support — ExtraHopExtraHop · undated page, accessed November 10, 2026 · Tier A
  12. [12]ExtraHop Reviews, Ratings & Features 2026Gartner Peer Insights · undated page, accessed November 10, 2026 · Tier C

Guardsix full record

  1. [1]Command centreGuardsix · guardsix.com · undated page, accessed September 27, 2026 · Tier A
  2. [2]34576478235293 Logpoint is now guardsixGuardsix · servicedesk.guardsix.com · published March 12, 2026 · Tier A
  3. [3]Summa equity invests in logpoint to create european cybersecurity powerhouseSumma Equity · summaequity.com · published March 2, 2023 · Tier A
  4. [4]Guardsix | Your closest ally in cyber securityGuardsix · undated page, accessed October 25, 2026 · Tier A
  5. [5]Product UpdatesGuardsix · undated page, accessed October 25, 2026 · Tier A
  6. [6]About guardsix | European Cybersecurity AllyGuardsix · undated page, accessed November 3, 2026 · Tier A
  7. [7]Guardsix SIEM | Built for Lean Security TeamsGuardsix · undated page, accessed November 3, 2026 · Tier A
  8. [8]Guardsix for Compliance | NIS2Guardsix · undated page, accessed November 3, 2026 · Tier A
  9. [9]Guardsix NDR | Network Detection & ResponseGuardsix · undated page, accessed November 3, 2026 · Tier A
  10. [10]Guardsix SOAR | Security Automation & ResponseGuardsix · undated page, accessed November 3, 2026 · Tier A
  11. [11]Guardsix Fleet | Centralised Security OperationsGuardsix · undated page, accessed November 3, 2026 · Tier A
  12. [12]Guardsix Governance | Audit-ready access controlGuardsix · undated page, accessed November 3, 2026 · Tier A
  13. [13]Guardsix Pricing | Predictable Cyber Security Platform CostsGuardsix · undated page, accessed November 3, 2026 · Tier A
  14. [14]Master Terms of Service for SaaS-version of Logpoint SIEMGuardsix · undated page, accessed November 3, 2026 · Tier A

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