CISO Tribune

Vendor comparison · 2 companies

UnderDefense vs Vanta

UnderDefense sells UnderDefense MAXI, a security and compliance automation platform, and an MDR service in which security experts monitor, detect and respond to incidents. Vanta offers automation, continuous monitoring and the Vanta Agent so that organizations get and stay compliant. CISO Tribune files both under Compliance automation. 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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  • UnderDefense
  • Vanta
UnderDefense vs Vanta: Products, Customers and Funding Compared
UnderDefenseUnderDefense sells UnderDefense MAXI, a security and compliance automation platform, and an MDR service in which security experts monitor, detect and respond to incidents.underdefense.comVantaVanta offers automation, continuous monitoring and the Vanta Agent so that organizations get and stay compliant.vanta.com
What it sells
  • UnderDefense MAXI[1][2][3][5][6]A security and compliance automation platform. UnderDefense MAXI integrates with SIEMs, firewalls and endpoint protection solutions.
  • UnderDefense Agentic AI SOC[4]AI agents investigate each alert. Analysts on shift 24/7 decide what happens next.
  • MDR[1][2][6]Security experts monitor, detect and respond to incidents.
  • Cloud-based SIEM[2]A cloud-based SIEM that collects, analyzes and responds to security events.
  • CIS AWS Benchmark assessment[8]A self-service assessment of AWS security.
  • Vanta Agent[2]The Vanta Agent drafts policies, completes questionnaires and calls out issues.
  • Trust Center[9][13]Trust Center is a centralized hub for security questionnaires, sensitive documents and security improvement updates.
  • Trust Reports[4]Vanta offers Trust Reports, available before an audit is complete.
  • Vanta API[12]The Vanta API automates evidence collection and testing across many system categories.
Categories
Headquarters
Not stated on its pagesNot stated on its pages
Founded
Not stated on its pagesNot stated on its pages
Ownership and funding
Not stated on its pagesNot stated on its pages
Named customers
Not stated on its pagesNot stated on its pages
Recent news
Not stated on its pages
  • November 9, 2026Vanta announced it has signed a definitive agreement to acquire Pillar Security, an AI security platform covering AI agents across their lifecycle.[14]
  • April 15, 2026Vanta made its remote MCP server available to all customers in Public Preview as of April 15, 2026.[15]
G2 and Gartner Peer Insights
  • G2: listed, seen November 10, 2026[10]
  • Gartner Peer Insights: Not stated on its pages
  • G2: listed, seen November 10, 2026[16]
  • Gartner Peer Insights: Not stated on its pages
Who it fits
UnderDefense MAXI integrates with a customer's security infrastructure, including SIEMs, firewalls and endpoint protection solutions. UnderDefense offers compliance templates to organizations working toward standards such as SOC2 and ISO 27001. UnderDefense MAXI provides executive-level reports for C-level readers.Vanta's pages address teams without dedicated personnel, where security tasks add to the workload of critical employees. Healthcare providers and their vendors are served through a framework for protecting protected health information. Financial institutions are a named customer type for New York cybersecurity rules. Contractors and subs of the U.S. Department of Defense are a named customer type for federal information controls. B2B SaaS and outsourcing vendors are named for a baseline security checklist.
Last verified
October 26, 2026November 6, 2026

Where they overlap

  • UnderDefense and Vanta are both filed under Compliance automation.

Where they differ, field by field

  • UnderDefense's primary category is MDR and managed SOC; Vanta's is Compliance automation.
  • UnderDefense is also filed under Penetration testing and red team services and SOAR and security automation. Vanta is also filed under GRC and integrated risk platforms, Third-party risk and security ratings and AI governance.
  • UnderDefense lists UnderDefense MAXI, UnderDefense Agentic AI SOC, MDR, Cloud-based SIEM and CIS AWS Benchmark assessment. Vanta lists Vanta Agent, Trust Center, Trust Reports and Vanta API.

What it sells: UnderDefense

What UnderDefense MAXI does[1][2][3][5][6]
UnderDefense MAXI natively monitors endpoints, networks, users and decoy beacons. UnderDefense MAXI provides ready-to-use playbooks, AI-powered alert enrichment and notifications through Slack, Jira or a preferred tool. UnderDefense MAXI provides pre-built compliance templates for standards such as SOC2 and ISO 27001.
What UnderDefense Agentic AI SOC does[4]
UnderDefense Agentic AI SOC uses AI agents that investigate each alert. Analysts on shift 24/7 decide what happens next.
What CIS AWS Benchmark assessment does[8]
UnderDefense offers a self-service CIS AWS Benchmark assessment. The assessment covers evaluating the maturity of cloud security controls, identifying misconfigurations, providing detailed mitigation instructions and giving a summary table with a final CVSS v3.0 score.

What it sells: Vanta

What Vanta Agent does[2]
The Vanta Agent drafts policies, completes questionnaires and calls out issues. Vanta provides an Agent for TPRM that addresses vendor risk.

Questions about UnderDefense and Vanta

What do UnderDefense and Vanta sell?
UnderDefense sells UnderDefense MAXI, UnderDefense Agentic AI SOC, MDR, Cloud-based SIEM and CIS AWS Benchmark assessment. Vanta sells Vanta Agent, Trust Center, Trust Reports and Vanta API.
Are UnderDefense and Vanta in the same category?
They share Compliance automation. UnderDefense's primary category is MDR and managed SOC and Vanta's is Compliance automation.
Who are UnderDefense and Vanta sold to?
UnderDefense MAXI integrates with a customer's security infrastructure, including SIEMs, firewalls and endpoint protection solutions. Vanta's pages address teams without dedicated personnel, where security tasks add to the workload of critical employees.
What have UnderDefense and Vanta announced recently?
November 9, 2026: Vanta announced it has signed a definitive agreement to acquire Pillar Security, an AI security platform covering AI agents across their lifecycle.

About UnderDefense

UnderDefense sells UnderDefense MAXI, a security and compliance automation platform, and an MDR service in which security experts monitor, detect and respond to incidents. UnderDefense MAXI integrates with a customer's security infrastructure, including SIEMs, firewalls and endpoint protection solutions. UnderDefense MAXI natively monitors endpoints, networks, users and decoy beacons. UnderDefense serves organizations across five continents that represent multiple industries.[1][2]

UnderDefense MAXI provides ready-to-use playbooks, AI-powered alert enrichment and notifications through Slack, Jira or a preferred tool. UnderDefense MAXI uses automated actions with ready-to-use playbooks to isolate infected devices from the network. UnderDefense MAXI escalates notifications to employees through Slack or Teams to verify the authenticity of alerts. UnderDefense MAXI reports a customer's security status on any device via Slack or Teams. UnderDefense MAXI stores security data in a centralized repository with reporting on alerts, incidents and remediation actions.

UnderDefense Agentic AI SOC uses AI agents that investigate each alert, and analysts on shift 24/7 decide what happens next. UnderDefense MAXI gives access to on-demand security services, compliance support, threat intelligence and hunting. UnderDefense MAXI monitors the external attack surface, checks for compromised credentials and Dark Web mentions, and identifies at-risk users. UnderDefense MAXI identifies at-risk users for personalized security awareness training. UnderDefense MAXI scans the public-facing perimeter for threats.[4]

UnderDefense MAXI provides pre-built compliance templates for standards such as SOC2 and ISO 27001. UnderDefense MAXI provides pre-built policy templates, compliance automation and vCISO support. UnderDefense MAXI lets users select a specific framework, invite team members and share documents with auditors. UnderDefense experts guide customers through every step of the audit. UnderDefense represents the customer's company and communicates directly with the customer's auditor. UnderDefense can refer customers to a company that conducts audits. UnderDefense prepares the necessary documents and processes and educates customer staff on compliance. UnderDefense acts as an inner CISO that oversees documentation, employee training and processes. UnderDefense identifies potential risks and vulnerabilities and provides proactive measures to mitigate them. UnderDefense offers a Starter package option that starts at $499 per month. UnderDefense defines an asset in its pricing model as any host running a workstation or server operating system that has had data attributed to it within the last 30 days.[1][2][6]

UnderDefense offers a cloud-based SIEM that collects, analyzes and responds to security events across cloud environments. UnderDefense provides 24/7 monitoring and containment across endpoint, SaaS, identity and cloud. UnderDefense offers a self-service CIS AWS Benchmark assessment. UnderDefense, in cooperation with the Computer Emergency Response Team of Ukraine (CERT-UA), participated in a series of Incident Response cases.[1][2][5][7][8][9]

UnderDefense on the record

Sources

UnderDefense full record

  1. [1]underdefense.comUnderDefense · underdefense.com · undated page, accessed October 26, 2026 · Tier A
  2. [2]Compliance PricingUnderDefense · undated page, accessed November 10, 2026 · Tier A
  3. [3]Agentic AI SOC & Compliance Automation Platform | UnderDefenseUnderDefense · undated page, accessed November 10, 2026 · Tier A
  4. [4]Elastic Cloud Pricing 2026: Serverless, Hosted, and SIEMUnderDefense · undated page, accessed November 10, 2026 · Tier A
  5. [5]Cloudflare Pricing 2026: WAF, Zero Trust, and EnterpriseUnderDefense · undated page, accessed November 10, 2026 · Tier A
  6. [6]Palo Alto Networks Pricing 2026: Firewalls, SASE, and XDRUnderDefense · undated page, accessed November 10, 2026 · Tier A
  7. [7]2025 MXDR Pricing Guide: Choosing the Right MXDR providerUnderDefense · undated page, accessed November 10, 2026 · Tier A
  8. [8]Episode 4: Cyber Resilience 201 — AWS Cloud Security - UnderDefenseUnderDefense · undated page, accessed November 10, 2026 · Tier A
  9. [9]E-Mail Under Attack - UnderDefenseUnderDefense · undated page, accessed November 10, 2026 · Tier A
  10. [10]UnderDefense MAXI Reviews & Product DetailsG2 · undated page, accessed November 10, 2026 · Tier C

Vanta full record

  1. [1]vanta.comVanta · vanta.com · undated page, accessed November 6, 2026 · Tier A
  2. [2]SOC 2, HIPAA, ISO 27001, PCI, and GDPR ComplianceVanta · undated page, accessed November 10, 2026 · Tier A
  3. [3]ISO 27001 compliance automation software | VantaVanta · undated page, accessed November 10, 2026 · Tier A
  4. [4]Security & Compliance Foundations | VantaVanta · undated page, accessed November 10, 2026 · Tier A
  5. [5]All security and compliance frameworks Vanta supports | VantaVanta · undated page, accessed November 10, 2026 · Tier A
  6. [6]US state privacy compliance software: CCPA, CPRA, VCDPA, & more | VantaVanta · undated page, accessed November 10, 2026 · Tier A
  7. [7]Privacy Foundations | VantaVanta · undated page, accessed November 10, 2026 · Tier A
  8. [8]CMMC compliance software: Get CMMC-ready faster | VantaVanta · undated page, accessed November 10, 2026 · Tier A
  9. [9]CIS v8 compliance software: Automate evidence collection | VantaVanta · undated page, accessed November 10, 2026 · Tier A
  10. [10]AWS Foundational Technical Review (FTR) compliance software | VantaVanta · undated page, accessed November 10, 2026 · Tier A
  11. [11]ISO 9001 compliance software: Simplify quality management | VantaVanta · undated page, accessed November 10, 2026 · Tier A
  12. [12]Vanta API | VantaVanta · undated page, accessed November 10, 2026 · Tier A
  13. [13]Continuous Trust | VantaVanta · undated page, accessed November 10, 2026 · Tier A
  14. [14]Vanta to Acquire Pillar Security to Turn AI Policy Into PracticeBusiness Wire · published November 9, 2026 · Tier A
  15. [15]New in Vanta | April 2026Vanta · published April 15, 2026 · Tier A
  16. [16]Vanta Reviews & Product DetailsG2 · undated page, accessed November 10, 2026 · Tier C

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