CISO Tribune

Vendor comparison · 2 companies

Arista Networks vs Guardsix

Arista Networks builds scalable high-performance and ultra-low-latency networks for data center and cloud computing environments. 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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  • Arista Networks
  • Guardsix
Arista Networks vs Guardsix: Products, Customers and Funding Compared
Arista NetworksArista Networks builds scalable high-performance and ultra-low-latency networks for data center and cloud computing environments.arista.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
  • Arista EOS®EOS is the core of Arista cloud networking solutions for data centers and cloud networks.
  • CloudVision®A network operation, automation, and visibility platform.
  • CloudEOS[6]Arista’s multi-cloud and cloud-native networking solution.
  • DANZ Monitoring Fabric[4][7]A network packet broker for organization-wide visibility and security.
  • Arista 7500R Series[9]Modular universal spine switches for large virtualized and cloud networks.
  • Arista 7800R3 Series[10]Modular switches that are the 3rd generation of the R-Series universal spine switches.
  • 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
Santa Clara, United States[2]Copenhagen, Denmark[3][8]
Founded
Not stated on its pagesNot stated on its pages
Ownership and funding
Public (NYSE: ANET)[2][4][15]Owned by Summa Equity since 2023[3][4][6]
Named customers
Not stated on its pagesNot stated on its pages
Recent news
  • October 7, 2026Arista Networks announced an open Ethernet rack-scale portfolio for scale-up and scale-out AI infrastructure, developed with several compute technology companies.[14]
Not stated on its pages
G2 and Gartner Peer Insights
  • G2: Not stated on its pages
  • Gartner Peer Insights: listed, seen November 5, 2026[15]
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
Who it fits
From its own pages, Arista sells mainly for data center, hybrid cloud, campus, wide area, and low-latency environments. Arista says EOS has delivered reliability for service providers, enterprises, broadcasters and others. Arista describes its routing solutions for cloud, service provider and enterprise use cases. Its campus switches are described for the IoT enabled campus. One data center switch series is described for large enterprises, big data and machine learning environments, traditional and virtualized data centers and service provider edge networking roles.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 9, 2026September 27, 2026

Where they overlap

  • Arista Networks and Guardsix are both filed under Network detection and response.

Where they differ, field by field

  • Arista Networks's primary category is Network detection and response; Guardsix's is SIEM.
  • Guardsix is also filed under SOAR and security automation.
  • Arista Networks lists Arista EOS®, CloudVision®, CloudEOS, DANZ Monitoring Fabric, Arista 7500R Series and 1 more. Guardsix lists Guardsix SIEM, Guardsix NDR, Guardsix SOAR and Guardsix Governance.
  • Arista Networks is headquartered in Santa Clara, United States. Guardsix is headquartered in Copenhagen, Denmark.
  • Arista Networks is a public company listed on NYSE as ANET. Guardsix is owned by Summa Equity, since 2023.

What it sells: Arista Networks

What Arista EOS® does
Arista EOS is a Linux-based network operating system that runs a single binary software image across the Arista switching family. It is packaged as bundled EOS on Arista switches, Containerized EOS (cEOS), or virtualized EOS (vEOS).
What CloudVision® does
CloudVision is Arista’s network operation, automation, and visibility platform. Arista says it provides domain-specific features in data center, campus wired and wireless, and cloud networks.
What CloudEOS does[6]
CloudEOS is Arista’s multi-cloud and cloud-native networking solution. CloudEOS integrates with Arista CloudVision to simplify interconnecting and managing multi-cloud, cloud-native and on-premises enterprise networks.
What DANZ Monitoring Fabric does[4][7]
DANZ Monitoring Fabric (DMF) is a network packet broker delivering multi-tenant monitoring-as-a-service. Arista says it delivers a visibility solution for on-premise data centers, enterprise campus/branch and 4G/5G mobile networks.
What Arista 7500R Series does[9]
The 7500R Series combines 100G density with internet scale table sizes and L2 and L3 features. Systems come in 16, 12, 8 and 4 slot options.
What Arista 7800R3 Series does[10]
The Arista 7800R3 Series comes in 16, 12, 8 and 4 slot systems with wirespeed ports from 10G to 400G. It uses a deep buffer virtual output queue (VOQ) architecture that eliminates head-of-line (HOL) blocking.

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 Arista Networks and Guardsix

What do Arista Networks and Guardsix sell?
Arista Networks sells Arista EOS®, CloudVision®, CloudEOS, DANZ Monitoring Fabric, Arista 7500R Series and 1 more. Guardsix sells Guardsix SIEM, Guardsix NDR, Guardsix SOAR and Guardsix Governance.
Are Arista Networks and Guardsix in the same category?
They share Network detection and response. Arista Networks's primary category is Network detection and response and Guardsix's is SIEM.
Where are Arista Networks and Guardsix headquartered?
Arista Networks is headquartered in Santa Clara, United States. Guardsix is headquartered in Copenhagen, Denmark.
Who owns Arista Networks and Guardsix?
Arista Networks is a public company listed on NYSE as ANET. Guardsix is owned by Summa Equity, since 2023.
Who are Arista Networks and Guardsix sold to?
From its own pages, Arista sells mainly for data center, hybrid cloud, campus, wide area, and low-latency environments. From its own pages, Guardsix sells mainly to lean security teams at European organisations in energy, healthcare, government and public services.
What have Arista Networks and Guardsix announced recently?
October 7, 2026: Arista Networks announced an open Ethernet rack-scale portfolio for scale-up and scale-out AI infrastructure, developed with several compute technology companies.

About Arista Networks

Arista Networks builds scalable high-performance and ultra-low-latency networks for data center and cloud computing environments. Arista cloud networking serves data center, hybrid cloud, campus, wide area, and low-latency environments. Arista says the principles of its cloud networking include open APIs, programmability at every layer, cloud automation, self-service zero-touch provisioning, and a standards-based Universal Cloud Network (UCN) deployment architecture.[5]

Arista says its data-driven cloud networking uses an open approach around the Arista EOS network stack and NetDL. Arista applies AI/ML to automation and security challenges. Arista EOS NetDL consolidates datasets for applying AI/ML methods in NetOps and SecOps environments and presents a single API surface for network and network-related data. Arista Autonomous Virtual Assist (Arista AVA™) is Arista’s AI technology. Arista says AVA can address challenges in Network Detection and Response (NDR), Quality of Experience (QoE) management, and proactive NetOps.[5]

Arista Extensible Operating System (EOS®) is the core of Arista cloud networking solutions for data centers and cloud networks. Arista describes EOS as a Linux-based network operating system that runs a single binary software image across the Arista switching family. EOS is packaged as bundled EOS on Arista switches, Containerized EOS (cEOS), or virtualized EOS (vEOS). Arista EOS enables programmatic control of the network. Arista Smart System Upgrade (SSU) reduces maintenance windows through intelligent insertion and removal of network elements. Arista offers Zero Touch Provisioning (ZTP) and Zero Touch Replacement (ZTR) for new and replacement switches.[6]

CloudVision is Arista’s network operation, automation, and visibility platform. Arista says CloudVision provides domain-specific features in data center, campus wired and wireless, and cloud networks and helps enterprises simplify network operations by breaking down traditional network management silos. CloudVision integrates the physical network with solutions from Arista ecosystem partners, including VMware, OpenStack, Palo Alto Networks, Microsoft, and many others. CloudEOS is Arista’s multi-cloud and cloud-native networking solution. CloudEOS integrates with Arista CloudVision to simplify interconnecting and managing multi-cloud, cloud-native and on-premises enterprise networks. CloudEOS, deployed with Universal Cloud Network Designs, provides the elements required for building multi-cloud connectivity with consistent isolation across the entire enterprise environment.[5][6]

DANZ Monitoring Fabric (DMF) is a network packet broker for organization-wide visibility and security, delivering multi-tenant monitoring-as-a-service. DMF provides a scale-out fabric design based on merchant silicon hardware, with integrated analytics and packet recording intelligence. DMF provisions traffic processing functions including regex filtering, deduplication, slicing, masking, flow data generation/collection and application recognition through a single DMF fabric controller. Arista says DMF delivers a visibility solution for on-premise data centers, enterprise campus/branch and 4G/5G mobile networks.[7]

The 7050X3 supports speeds including 10G, 25G, 40G and 100G in compact form factors. The 7050X3 Series enables highly scalable two-tier network designs with ECMP, MLAG and VXLAN technologies. The Arista 7500R Series modular switches are universal spine switches designed for large virtualized and cloud networks. The 7500R Series combines 100G density with internet scale table sizes and L2 and L3 features. The Arista 7500R Series comes in 16, 12, 8 and 4 slot systems with wirespeed ports from 1G to 100G. The Arista 7800R3 Series modular switches are the 3rd generation of the R-Series universal spine switches. The Arista 7800R3 Series comes in 16, 12, 8 and 4 slot systems with wirespeed ports from 10G to 400G. The Arista 7800R3 Series uses a deep buffer virtual output queue (VOQ) architecture that eliminates head-of-line (HOL) blocking.[8][9][10]

The 720D series delivers wirespeed connectivity for campus user workloads and is designed for the IoT enabled campus. The 720D product family provides a range of PoE and data-only systems. The 7135LB series devices are optimized for 25G speed and use a programmable FPGA integrated with L1 connectivity. The 7135LB comes in a 1RU form factor with 48 x SFP28 ports and 4 x QSFP ports and performs layer 1+ switching in 5ns at 25G speed.[11][12]

Arista routing solutions cater to use cases for cloud, service providers and enterprises. Arista’s 7280R3 Universal Leaf and 7500R3 and 7800R3 Universal Spine platforms are powered by Arista EOS and CloudVision. The 7800R3 series scales to 460 Tbps or 576 ports of 400G with a single consistent architecture.[1][3][5][8][11][13]

Arista Networks on the record

Sources

Arista Networks full record

  1. [1]Network detection and responseArista Networks · arista.com · published February 23, 2022 · Tier A
  2. [2]Company overviewArista Networks · arista.com · undated page, accessed September 27, 2026 · Tier A
  3. [3]24357 pr 20260721Arista Networks · arista.com · published July 21, 2026 · Tier A
  4. [4]Data-Driven Cloud Networking - AristaArista Networks · undated page, accessed October 23, 2026 · Tier A
  5. [5]Data-driven AI Enabled Cloud Networking | Data Center AI Cloud Networking - AristaArista Networks · undated page, accessed November 5, 2026 · Tier A
  6. [6]Arista EOS® - Cloud Network Operating System - AristaArista Networks · undated page, accessed November 5, 2026 · Tier A
  7. [7]DANZ Monitoring Fabric - AristaArista Networks · undated page, accessed November 5, 2026 · Tier A
  8. [8]Arista 7050X3 Series - Ethernet Switch for Data Center Networks - AristaArista Networks · undated page, accessed November 5, 2026 · Tier A
  9. [9]Arista 7500R Series - Universal Spine Switch for Cloud Networking - AristaArista Networks · undated page, accessed November 5, 2026 · Tier A
  10. [10]Arista 7800R3 Series - AristaArista Networks · undated page, accessed November 5, 2026 · Tier A
  11. [11]Arista 720D Series - AristaArista Networks · undated page, accessed November 5, 2026 · Tier A
  12. [12]Arista 7135LB Series - AristaArista Networks · undated page, accessed November 5, 2026 · Tier A
  13. [13]Cloud Routing | Arista Cloud Grade Routing - AristaArista Networks · undated page, accessed November 5, 2026 · Tier A
  14. [14]Arista Announces Rack-Scale Architectures for Scale-Up and Scale-Out AI FabricsArista Networks · published October 7, 2026 · Tier A
  15. [15]Arista Networks Reviews, Ratings & Features 2026 | Gartner Peer InsightsGartner Peer Insights · undated page, accessed November 5, 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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