CISO Tribune

Vendor comparison · 2 companies

GuidePoint Security vs UnderDefense

GuidePoint Security sells cybersecurity services that include security program reviews, vulnerability management and penetration testing, and Privileged Access Management as a Service. UnderDefense sells UnderDefense MAXI, a security and compliance automation platform, and an MDR service in which security experts monitor, detect and respond to incidents. 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.

  • GuidePoint Security
  • UnderDefense
GuidePoint Security vs UnderDefense: Products, Customers and Funding Compared
GuidePoint SecurityGuidePoint Security sells cybersecurity services that include security program reviews, vulnerability management and penetration testing, and Privileged Access Management as a Service.guidepointsecurity.comUnderDefenseUnderDefense sells UnderDefense MAXI, a security and compliance automation platform, and an MDR service in which security experts monitor, detect and respond to incidents.underdefense.com
What it sells
  • Application Security as a Service[4][14]Application Security as a Service scales up or down based on a customer's requirements for application security.
  • Privileged Access Management as a Service[11]GuidePoint Security offers Privileged Access Management as a Service to enforce least privilege over user accounts, systems and endpoints.
  • Vulnerability Management (VM) and Penetration Testing (Pen Testing)GuidePoint Security services that help organizations identify, prioritize and remediate security gaps.
  • Security Program Review[10]A GuidePoint Security Program Review evaluates and measures an organization's security program maturity.
  • Zero Trust Workshops[16]GuidePoint Security offers consulting workshops to guide organizations on their journey to Zero Trust adoption.
  • OT Security Services[4]GuidePoint OT Security Services include assessments, program development and managed services for critical infrastructure.
  • Staff Augmentation Services[15]GuidePoint Security provides Staff Augmentation services across a wide range of disciplines and products.
  • 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.
Categories
Headquarters
Reston, United States[2]Not stated on its pages
Founded
2011[2][4]Not stated on its pages
Ownership and funding
Privately held[3][7]Not stated on its pages
Named customers
Not stated on its pagesNot stated on its pages
Recent news
  • September 15, 2026GuidePoint Security expanded its Identity and Access Management practice with three new service offerings.[6]
  • July 7, 2026GuidePoint Security appointed Scott Rachford as Chief Executive Officer, effective immediately, succeeding founder Michael Volk, who becomes Executive Chairman.[5]
Not stated on its pages
G2 and Gartner Peer Insights
  • G2: listed, seen November 10, 2026[7]
  • Gartner Peer Insights: Not stated on its pages
  • G2: listed, seen November 10, 2026[10]
  • Gartner Peer Insights: Not stated on its pages
Who it fits
GuidePoint Security network infrastructure services cover both enterprise and government IT environments. GuidePoint Security supports cloud-based SaaS or IaaS, on-premise and hybrid architectures based on customer needs. GuidePoint Security staff augmentation is for organizations that want to increase staffing capabilities for a set amount of time.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.
Last verified
September 27, 2026October 26, 2026

Where they overlap

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

Where they differ, field by field

  • GuidePoint Security's primary category is Security consulting and advisory; UnderDefense's is MDR and managed SOC.
  • GuidePoint Security is also filed under Managed security service providers. UnderDefense is also filed under Compliance automation and SOAR and security automation.
  • GuidePoint Security lists Application Security as a Service, Privileged Access Management as a Service, Vulnerability Management (VM) and Penetration Testing (Pen Testing), Security Program Review, Zero Trust Workshops and 2 more. UnderDefense lists UnderDefense MAXI, UnderDefense Agentic AI SOC, MDR, Cloud-based SIEM and CIS AWS Benchmark assessment.
  • GuidePoint Security is headquartered in Reston, United States.
  • GuidePoint Security was founded in 2011.
  • GuidePoint Security is privately held.

What it sells: GuidePoint Security

What Application Security as a Service does[4][14]
Application Security as a Service from GuidePoint Security scales up or down based on a customer's requirements for application security. AppSec as a Service supports a wide range of application security tools. GuidePoint Security can manage an application security tool environment end to end when it is on-prem or in the customer's own cloud environment.
What Privileged Access Management as a Service does[11]
GuidePoint Security offers Privileged Access Management as a Service to enforce least privilege over each user account, system and endpoint in an IT ecosystem. GuidePoint Security supports cloud-based SaaS or IaaS, on-premise and hybrid architectures based on customer needs.
What Vulnerability Management (VM) and Penetration Testing (Pen Testing) does
GuidePoint Vulnerability Management and Penetration Testing services help organizations identify, prioritize and remediate security gaps. GuidePoint Security provides the people, processes and technologies to fully or partially administer vulnerability management programs.
What Security Program Review does[10]
A GuidePoint Security Program Review evaluates and measures an organization's security program maturity. GuidePoint Security uses standards-based maturity definitions based on CMMI and Cobit. GuidePoint Security offers several levels of security program reviews, right-sized to an organization's requirements. The security program report from GuidePoint Security documents a set of recommendations and corresponding resource estimates.
What Zero Trust Workshops does[16]
GuidePoint Security consultants lead Zero Trust Workshops that develop and align use cases to a customer's environment and maturity. GuidePoint Security offers consulting workshops to guide organizations on their journey to Zero Trust adoption.
What OT Security Services does[4]
GuidePoint OT Security Services include assessments, program development and managed services for critical infrastructure. GuidePoint Security helps organizations bridge IT/OT convergence.
What Staff Augmentation Services does[15]
GuidePoint Security provides Staff Augmentation services across a wide range of disciplines and products. GuidePoint Security analysts can support a SOC or Cyber Fusion center with Cyber Hunt, threat intelligence, digital forensics, incident response and analysis of log data.

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 GuidePoint Security and UnderDefense

What do GuidePoint Security and UnderDefense sell?
GuidePoint Security sells Application Security as a Service, Privileged Access Management as a Service, Vulnerability Management (VM) and Penetration Testing (Pen Testing), Security Program Review, Zero Trust Workshops and 2 more. UnderDefense sells UnderDefense MAXI, UnderDefense Agentic AI SOC, MDR, Cloud-based SIEM and CIS AWS Benchmark assessment.
Are GuidePoint Security and UnderDefense in the same category?
They share Penetration testing and red team services. GuidePoint Security's primary category is Security consulting and advisory and UnderDefense's is MDR and managed SOC.
Where are GuidePoint Security and UnderDefense headquartered?
GuidePoint Security is headquartered in Reston, United States.
When were GuidePoint Security and UnderDefense founded?
GuidePoint Security was founded in 2011.
Who owns GuidePoint Security and UnderDefense?
GuidePoint Security is privately held.
Who are GuidePoint Security and UnderDefense sold to?
GuidePoint Security network infrastructure services cover both enterprise and government IT environments. UnderDefense MAXI integrates with a customer's security infrastructure, including SIEMs, firewalls and endpoint protection solutions.
What have GuidePoint Security and UnderDefense announced recently?
September 15, 2026: GuidePoint Security expanded its Identity and Access Management practice with three new service offerings.

About GuidePoint Security

GuidePoint Security sells cybersecurity services that include security program reviews, vulnerability management and penetration testing, and Privileged Access Management as a Service. GuidePoint Security has helped organizations since 2011. GuidePoint Security customers span small and mid-sized businesses, global enterprises and government agencies across nearly every major industry. GuidePoint Security is an AWS Marketplace Consulting Partner and enables customers to access cloud software solutions and its cybersecurity services from one centralized location.[10][12]

A GuidePoint Security Program Review evaluates and measures an organization's security program maturity. GuidePoint Security uses standards-based maturity definitions based on CMMI and Cobit. GuidePoint Security offers several levels of security program reviews, right-sized to an organization's requirements. The security program report from GuidePoint Security documents a set of recommendations and corresponding resource estimates. GuidePoint Security provides virtual CISO (vCISO) services that can be scaled to an organization's needs. GuidePoint Security assesses, develops and manages cybersecurity risk programs, business resiliency programs and third-party risk programs.[10]

GuidePoint Security practitioners support customers who need 24x7x365 eyes on glass or help managing a security platform. GuidePoint Security offers Privileged Access Management as a Service to enforce least privilege over each user account, system and endpoint in an IT ecosystem. GuidePoint Security supports cloud-based SaaS or IaaS, on-premise and hybrid architectures based on customer needs.[11][13]

Application Security as a Service from GuidePoint Security scales up or down based on a customer's requirements for application security. AppSec as a Service supports a wide range of application security tools. GuidePoint Security can manage an application security tool environment end to end when that environment is on-prem or in the customer's own cloud environment. GuidePoint Security monitors endpoints, detects threats, validates alerts to ensure they are actionable and responds accordingly.[1][11][13][14]

GuidePoint Security provides expertise to run a TPRM program. GuidePoint Security provides the people, processes and technologies to fully or partially administer vulnerability management programs. GuidePoint Security practitioners can tailor a security analytics platform to a customer's environment and use cases. GuidePoint Vulnerability Management and Penetration Testing services help organizations identify, prioritize and remediate security gaps. GuidePoint Security designs, optimizes and operates Security Operations programs. GuidePoint Security analysts can support a SOC or Cyber Fusion center with Cyber Hunt, threat intelligence, digital forensics, incident response and analysis of log data.[1][13][15]

GuidePoint OT Security Services include assessments, program development and managed services for critical infrastructure. GuidePoint Security helps organizations bridge IT/OT convergence. GuidePoint Security staff cover security disciplines including engineering, security operations and information assurance requirements. GuidePoint Security staff augmentation can take on new requirements such as penetration testing, application security and security audits.[15]

GuidePoint Security offers consulting workshops to guide organizations on their journey to Zero Trust adoption. GuidePoint Security consultants lead Zero Trust Workshops that develop and align use cases to a customer's environment and maturity. GuidePoint Security helps customers define selection criteria, build a vendor comparison matrix and develop a proof of concept. GuidePoint Security implements, optimizes and manages network segmentation solutions, sandboxing, network access control, and network security management and change control solutions. GuidePoint Security implements, optimizes and manages Secure Web Gateways, Cloud Access Security Brokers, Secure Access Service Edge providers, Secure DNS Server Solutions and Secure Browser Isolation. GuidePoint Security helps architect, deploy and optimize secure network infrastructures for both enterprise and government IT environments.[16][17]

GuidePoint Security provides Data Security, Data Privacy and AI Governance services. GuidePoint Security offers technical and advisory services for AI that help organizations incorporate AI technologies into their IT environment. GuidePoint Email Security services help protect content, accounts and infrastructure from threats like phishing, malware and data loss. GuidePoint Security Awareness and Education Services deliver training tailored for employees and executives to reduce human-centric risks.[8][9][11][13][15]

GuidePoint Security on the record

Sources

GuidePoint Security full record

  1. [1]guidepointsecurity.comGuidePoint Security · guidepointsecurity.com · undated page, accessed September 27, 2026 · Tier A
  2. [2]Guidepoint security opens new global headquarters amid continued growthGuidePoint Security · guidepointsecurity.com · published June 3, 2025 · Tier A
  3. [3]Guidepoint security attracts new round of growth capitalGuidePoint Security · guidepointsecurity.com · published October 10, 2023 · Tier A
  4. [4]Cybersecurity Consulting Services | GuidePoint SecurityGuidePoint Security · undated page, accessed October 25, 2026 · Tier A
  5. [5]GuidePoint Security Appoints Scott Rachford as Chief Executive OfficerBusiness Wire · published July 7, 2026 · Tier A
  6. [6]GuidePoint Security Expands Identity and Access Management Practice With Three New Service OfferingsBusiness Wire · published September 15, 2026 · Tier A
  7. [7]GuidePoint Security LLC Reviews 2026: Details, Pricing, & Features | G2G2 · undated page, accessed October 25, 2026 · Tier C
  8. [8]Cloud Security Assessments | GuidePoint SecurityGuidePoint Security · undated page, accessed November 3, 2026 · Tier A
  9. [9]Cybersecurity Services | GuidePoint SecurityGuidePoint Security · undated page, accessed November 3, 2026 · Tier A
  10. [10]Security Program Review and Strategy | GuidePoint SecurityGuidePoint Security · undated page, accessed November 10, 2026 · Tier A
  11. [11]Privileged Access Management (PAM) as a Service | GuidePoint SecurityGuidePoint Security · undated page, accessed November 10, 2026 · Tier A
  12. [12]5 Phases of AWS Cloud Security | GuidePoint SecurityGuidePoint Security · undated page, accessed November 10, 2026 · Tier A
  13. [13]Enterprise Cybersecurity MSSP Provider | GuidePoint SecurityGuidePoint Security · undated page, accessed November 10, 2026 · Tier A
  14. [14]Application Security as a Service | GuidePoint SecurityGuidePoint Security · undated page, accessed November 10, 2026 · Tier A
  15. [15]Cybersecurity Staff Augmentation | GuidePoint SecurityGuidePoint Security · undated page, accessed November 10, 2026 · Tier A
  16. [16]Zero Trust Workshops & Consulting Services (IAM) | GuidePoint SecurityGuidePoint Security · undated page, accessed November 10, 2026 · Tier A
  17. [17]Advanced Network Security Technologies | GuidePoint SecurityGuidePoint Security · undated page, accessed November 10, 2026 · Tier A

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

Spot a factual error? Request a correction.