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What is UnderDefense?

UnderDefense MAXI is a Managed Detection and Response (MDR) platform and service that integrates with an organization’s existing SIEM, endpoint-detection, cloud, and security tools. The platform supports threat investigation, incident response, security-operations automation, and compliance-evidence workflows.


Key Capabilities


  • Alert investigation: MAXI enriches, correlates, and triages security alerts across connected security tools. Investigation activities and decisions are recorded for review and audit.
  • User verification: Teams can verify suspicious activity with affected users through Slack, Microsoft Teams, email, or SMS before selecting a containment action.
  • Response workflows: Security Orchestration, Automation and Response (SOAR) functions provide predefined incident-response playbooks, notification workflows, and automated response actions.
  • Security-operations support: UnderDefense provides 24/7 security analysts and incident-response support for investigation, escalation, containment, and remediation.
  • Compliance automation: Governance, Risk & Compliance functions collect security evidence, support policy and questionnaire workflows, monitor security posture, and provide compliance reporting for frameworks including ISO 27001, SOC 2, PCI DSS, GDPR, and HIPAA.
  • Integrations and deployment: The platform connects with SIEM, EDR, cloud, identity, ticketing, and collaboration tools. UnderDefense also offers on-premises and air-gapped deployment options.


Audience & Use Cases


  • Audience: Security operations teams, IT leaders, compliance teams, CISOs, and organizations using SIEM, EDR, or cloud-security tools.
  • Use Case: Organizations can investigate security alerts, coordinate response decisions, access incident-response expertise, and collect evidence for security and compliance programs.

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FAQs

What is UnderDefense?
UnderDefense is a managed security service that provides agentic Security Operations Center (SOC) operations and compliance automation. The service integrates with existing Security Information and Event Management (SIEM), Endpoint Detection and Response (EDR), and cloud environments, allowing organizations to retain their current security tools without adding internal security staff. Each engagement includes an Incident Response (IR) retainer and a 15-minute escalation Service-Level Agreement (SLA). UnderDefense supports hundreds of security and cloud integrations, and the vendor reports that its managed environments have experienced no ransomware incidents during more than a decade of operation.
What are UnderDefense's top competitors?
eSentire, Arctic Wolf Managed Detection and Response, and Expel are common alternatives for UnderDefense.
Who uses UnderDefense?
The most common users of UnderDefense are from B2B.