CISO Tribune

Vendor comparison · 2 companies

Rival Security vs XM Cyber

Rival Security sells the Agent Harness, a platform that gives customers the capabilities and context to run security agents. XM Cyber sells a platform that continuously surfaces every validated exposure that forms real attack paths. CISO Tribune files both under Exposure prioritisation and CTEM. 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.

  • Rival Security
  • XM Cyber
Rival Security vs XM Cyber: Products, Customers and Funding Compared
Rival SecurityRival Security sells the Agent Harness, a platform that gives customers the capabilities and context to run security agents.rival.securityXM CyberXM Cyber sells a platform that continuously surfaces every validated exposure that forms real attack paths.xmcyber.com
What it sells
  • Agent Harness[2][3]A platform for running security agents with the context of a customer's cloud, code and scanners.
  • Continuous Exposure Management Platform[4][5]Surfaces validated exposures that form real attack paths.
  • XM Attack Graph Analysis™Maps viable exposures into attack paths that lead to business-critical assets.
Categories
Headquarters
Not stated on its pagesHerzliya, Israel[3]
Founded
Not stated on its pagesNot stated on its pages
Ownership and funding
Not stated on its pagesOwned by Schwarz Group since 2021[2][4][15]
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: Not stated on its pages
  • G2: listed, seen November 10, 2026[15]
  • Gartner Peer Insights: Not stated on its pages
Who it fits
Not written yetFrom its own pages, XM Cyber does not state organisation size, industries or deployment models it targets. Its business initiatives menu names Operational Technology (OT), Mergers and Acquisitions, Ransomware Readiness and Executive Risk Reporting, but the pages do not describe these as customer segments or buyer roles. This is our reading of the pages, not a recommendation.
Last verified
November 5, 2026November 2, 2026

Where they overlap

  • Exposure prioritisation and CTEM is the primary category of both Rival Security and XM Cyber.

Where they differ, field by field

  • Rival Security is also filed under Vulnerability management and AI SOC analysts. XM Cyber is also filed under Breach simulation and automated pen-testing.
  • Rival Security lists Agent Harness. XM Cyber lists Continuous Exposure Management Platform and XM Attack Graph Analysis™.
  • XM Cyber is headquartered in Herzliya, Israel.
  • XM Cyber is owned by Schwarz Group, since 2021.

How they differ

CISO Tribune files both Rival Security and XM Cyber under Exposure prioritisation and CTEM as the primary category. CISO Tribune also files Rival Security under Vulnerability management and AI SOC analysts, and XM Cyber under Breach simulation and automated pen-testing. Rival Security sells Agent Harness, a platform for running security agents with the context of a customer's cloud, code and scanners. Agent Harness hands the work to specialist subagents, and Rival Security says its engineers build custom agents for a customer's environment at no additional cost. One Rival Security workflow cuts scanner noise down to what is exploitable.

XM Cyber sells a Continuous Exposure Management Platform that surfaces validated exposures forming real attack paths. XM Cyber delivers Exposure Assessment and Exposure Validation in a single platform for the Continuous Threat Exposure Management (CTEM) framework. Its XM Attack Graph Analysis™ maps exposures into attack paths from the external attack surface, across on-prem and cloud, to business-critical assets. XM Cyber builds a digital twin of an environment to validate the exploitability and reachability of exposures. XM Cyber also covers AI resources, including shadow AI, and monitors security controls against frameworks such as ISO 27001 and PCI-DSS.

XM Cyber is headquartered in Herzliya, Israel, and has been owned by Schwarz Group since 2021. Thalia is a customer named in connection with XM Cyber.

What it sells: Rival Security

What Agent Harness does[2][3]
Every agent runs on Rival's Agent Harness. Agent Harness reads the context of a customer's cloud, code and scanners and hands the work to specialist subagents.

What it sells: XM Cyber

What XM Attack Graph Analysis™ does
XM Attack Graph Analysis™ maps all viable exposures into attack paths from the external attack surface, across on-prem and cloud, to business-critical assets. The platform takes a digital twin approach to prioritize exposures validated against exploitability and reachability conditions, taking into account compensating security controls.

Questions about Rival Security and XM Cyber

What do Rival Security and XM Cyber sell?
Rival Security sells Agent Harness. XM Cyber sells Continuous Exposure Management Platform and XM Attack Graph Analysis™.
Are Rival Security and XM Cyber in the same category?
Yes. Exposure prioritisation and CTEM is the primary category of both on CISO Tribune.
Where are Rival Security and XM Cyber headquartered?
XM Cyber is headquartered in Herzliya, Israel.
Who owns Rival Security and XM Cyber?
XM Cyber is owned by Schwarz Group, since 2021.
Who are Rival Security and XM Cyber sold to?
From its own pages, XM Cyber does not state organisation size, industries or deployment models it targets.

About Rival Security

Rival Security sells the Agent Harness, a platform that gives customers the capabilities and context to run security agents. Rival Security describes its purpose as automating workflows, investigating vulnerabilities, tracking down owners and remediating. Rival Security says more agents are ready to slot into a security program, and that customers can mix, match and run them alongside their team.[3]

Rival Security states that AI turns a CVE into a working exploit in hours.[3]

Every agent runs on Rival's Agent Harness. Agent Harness reads the context of a customer's cloud, code and scanners. Agent Harness hands the work to specialist subagents.[3]

Rival provides agents that customers can customize and extend. Rival engineers build custom agents for a customer's environment and stack at no additional cost. Customers can also build their own agents using Rival's capabilities to accelerate a workflow.[3]

Rival offers built-in agents for starting a workflow. One workflow cuts scanner noise down to what is exploitable.[1][3]

Rival Security on the record

Sources

Rival Security full record

  1. [1]TermsRival Security · rival.security · published July 1, 2026 · Tier A
  2. [2]rival.securityRival Security · rival.security · undated page, accessed November 5, 2026 · Tier A
  3. [3]Rival Security: The agent harness for cybersecurityRival Security · undated page, accessed November 10, 2026 · Tier A

XM Cyber full record

  1. [1]xmcyber.comXM Cyber · xmcyber.com · undated page, accessed September 27, 2026 · Tier A
  2. [2]Schwarz group acquires israeli hybrid cloud cybersecurity innovator xm cyberXM Cyber · xmcyber.com · published November 22, 2021 · Tier A
  3. [3]0,7340,L 3734737,00Calcalist · calcalistech.com · published March 23, 2018 · Tier B
  4. [4]Continuous Exposure Management | XM CyberXM Cyber · undated page, accessed October 30, 2026 · Tier A
  5. [5]Use case- Audit & ComplianceXM Cyber · undated page, accessed November 10, 2026 · Tier A
  6. [6]Platform | XM CyberXM Cyber · undated page, accessed November 10, 2026 · Tier A
  7. [7]Security Controls MonitoringXM Cyber · undated page, accessed November 10, 2026 · Tier A
  8. [8]Vulnerability Risk ManagementXM Cyber · undated page, accessed November 10, 2026 · Tier A
  9. [9]XM Cyber for Continuous Exposure Prioritization | XM CyberXM Cyber · undated page, accessed November 10, 2026 · Tier A
  10. [10]Safely Adopt AI Without Introducing RiskXM Cyber · undated page, accessed November 10, 2026 · Tier A
  11. [11]Case Studies | XM CyberXM Cyber · undated page, accessed November 10, 2026 · Tier A
  12. [12]Security, Compliance and Privacy | XM CyberXM Cyber · undated page, accessed November 10, 2026 · Tier A
  13. [13]Solution Briefs | XM CyberXM Cyber · undated page, accessed November 10, 2026 · Tier A
  14. [14]XM Cyber Named a Challenger in the Gartner® Magic Quadrant™ for Exposure Assessment Platforms | XM CyberXM Cyber · published November 13, 2025 · Tier A
  15. [15]XM Cyber Exposure Management Platform Reviews 2026G2 · undated page, accessed November 10, 2026 · Tier C

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