CISO Tribune

Vendor comparison · 2 companies

UnderDefense vs Vonahi Security

UnderDefense sells UnderDefense MAXI, a security and compliance automation platform, and an MDR service in which security experts monitor, detect and respond to incidents. Vonahi Security sells vPenTest, an automated network penetration testing SaaS platform. vPenTest is a scripted network penetration testing platform that runs the exact same steps and processes performed by a security consultant doing a live pentest. vPenTest is a full-scale penetration testing platform that incorporates the knowledge, methodologies, techniques and commonly used tools of multiple consultants into a single platform. vPenTest covers host discovery, service enumeration, vulnerability analysis, exploitation, post-exploitation, privilege escalation and lateral movement, as well as documentation and reporting. CISO Tribune files both under Penetration testing and red team services. 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.

Change the companies

Up to four companies side by side.

  • UnderDefense
  • Vonahi Security
UnderDefense vs Vonahi Security: 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.comVonahi SecurityVonahi Security sells vPenTest, an automated network penetration testing SaaS platform. vPenTest is a scripted network penetration testing platform that runs the exact same steps and processes performed by a security consultant doing a live pentest. vPenTest is a full-scale penetration testing platform that incorporates the knowledge, methodologies, techniques and commonly used tools of multiple consultants into a single platform. vPenTest covers host discovery, service enumeration, vulnerability analysis, exploitation, post-exploitation, privilege escalation and lateral movement, as well as documentation and reporting.vonahi.io
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.
  • vPenTest[1][2][3][4][5][7][10][11][12]A SaaS platform for automated network penetration testing. vPenTest covers internal and external network environments.
Categories
Headquarters
Not stated on its pagesAtlanta, GA, USA[1][11]
Founded
Not stated on its pagesNot stated on its pages
Ownership and funding
Not stated on its pagesOwned by Kaseya[5]
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: listed, seen November 10, 2026[10]
  • Gartner Peer Insights: Not stated on its pages
  • G2: Not stated on its pages
  • 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.Not written yet
Last verified
October 26, 2026November 12, 2026

Where they overlap

  • UnderDefense and Vonahi Security are both filed under Penetration testing and red team services.

Where they differ, field by field

  • UnderDefense's primary category is MDR and managed SOC; Vonahi Security's is Penetration testing and red team services.
  • UnderDefense is also filed under Compliance automation and SOAR and security automation. Vonahi Security is also filed under Breach simulation and automated pen-testing.
  • UnderDefense lists UnderDefense MAXI, UnderDefense Agentic AI SOC, MDR, Cloud-based SIEM and CIS AWS Benchmark assessment. Vonahi Security lists vPenTest.
  • Vonahi Security is headquartered in Atlanta, GA, USA.
  • Vonahi Security is owned by Kaseya.

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.

Questions about UnderDefense and Vonahi Security

What do UnderDefense and Vonahi Security sell?
UnderDefense sells UnderDefense MAXI, UnderDefense Agentic AI SOC, MDR, Cloud-based SIEM and CIS AWS Benchmark assessment. Vonahi Security sells vPenTest.
Are UnderDefense and Vonahi Security in the same category?
They share Penetration testing and red team services. UnderDefense's primary category is MDR and managed SOC and Vonahi Security's is Penetration testing and red team services.
Where are UnderDefense and Vonahi Security headquartered?
Vonahi Security is headquartered in Atlanta, GA, USA.
Who owns UnderDefense and Vonahi Security?
Vonahi Security is owned by Kaseya.
Who are UnderDefense and Vonahi Security sold to?
UnderDefense MAXI integrates with a customer's security infrastructure, including SIEMs, firewalls and endpoint protection solutions.

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

Vonahi Security full record

  1. [1]Crest press releaseVonahi Security · vonahi.io · published June 12, 2024 · Tier A
  2. [2]vonahi.iovonahi.io · undated page, accessed November 12, 2026 · Tier A
  3. [3]ServicesVonahi Security · undated page, accessed November 12, 2026 · Tier A
  4. [4]CREST Penetration Testing 2025 | Vonahi SecurityVonahi Security · undated page, accessed November 12, 2026 · Tier A
  5. [5]Network Penetration Testing Platform | vPenTestVonahi Security · undated page, accessed November 12, 2026 · Tier A
  6. [6]Meet Our Team | Vonahi SecurityVonahi Security · undated page, accessed November 12, 2026 · Tier A
  7. [7]Automated Network Penetration Testing | Vonahi SecurityVonahi Security · undated page, accessed November 12, 2026 · Tier A
  8. [8]Get a vPenTest Pricing Quote | Vonahi SecurityVonahi Security · undated page, accessed November 12, 2026 · Tier A
  9. [9]InsurwaveVonahi Security · undated page, accessed November 12, 2026 · Tier A
  10. [10]Stratus ip Case Study | vPenTestVonahi Security · undated page, accessed November 12, 2026 · Tier A
  11. [11]NetcotechVonahi Security · undated page, accessed November 12, 2026 · Tier A
  12. [12]Case StudiesVonahi Security · undated page, accessed November 12, 2026 · Tier A

Spot a factual error? Request a correction.