CISO Tribune

Vendor comparison · 2 companies

Hold Security, LLC vs VulnCheck

Hold Security, LLC is an Information Security, Threat Intelligence, Penetration Testing, Risk Management and Incident Response company, helping businesses of all sizes stay secure. VulnCheck sells a Cyber Threat Intelligence platform that provides exploit and vulnerability intelligence for prioritizing and remediating vulnerabilities. CISO Tribune files both under Threat intelligence. 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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  • Hold Security, LLC
  • VulnCheck
Hold Security, LLC vs VulnCheck: Products, Customers and Funding Compared
Hold Security, LLCHold Security, LLC is an Information Security, Threat Intelligence, Penetration Testing, Risk Management and Incident Response company, helping businesses of all sizes stay secure.holdsecurity.comVulnCheckVulnCheck sells a Cyber Threat Intelligence platform that provides exploit and vulnerability intelligence for prioritizing and remediating vulnerabilities.vulncheck.com
What it sells
  • Threat Intelligence Services[1][4][6]Indexes and correlates public and private resources on the Dark Web and Internet to identify malicious and threatening events.
  • Domain Integrity Service[2][4]Provides monitoring and alerting of domain names.
  • Exploit & Vulnerability Intelligence[1][4][5][10][11][15]Early access to new vulnerability information not found in the NVD, with dozens of unique fields.
  • Initial Access Intelligence[1][5][8]In-house developed exploit PoCs, packet captures and Suricata signatures for initial access vulnerabilities.
  • VulnCheck for Government[16]Features, functionality and data available only to Government partners.
Categories
Headquarters
Not stated on its pagesLexington, United States[3]
Founded
Not stated on its pagesNot stated on its pages
Ownership and funding
Not stated on its pagesPrivately held[2]
Named customers
Not stated on its pagesNot stated on its pages
Recent news
Not stated on its pages
  • February 17, 2026VulnCheck announced it raised $25 million in new funding to scale its growth and expand its intelligence capabilities.[19]
  • February 17, 2026VulnCheck announced a $25 million Series B round led by Sorenson Capital, with National Grid Partners and existing investors also taking part.[12]
  • February 17, 2026Axios reported that VulnCheck raised a $25 million Series B round led by Sorenson Capital.[14]
  • December 8, 2025VulnCheck announced two executive hires: Mike Price as Vice President of Product & Engineering and Jon Loehr as Vice President of Finance.[13]
G2 and Gartner Peer Insights
  • G2: Not stated on its pages
  • 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
From its own pages, Hold Security sells mainly to companies of all sizes. Hold Security designs its Threat Intelligence Services to assist organizations in monitoring the Dark Web. Companies that develop their own software, or want to verify that vendor software contains no undiscovered vulnerabilities, are among those Hold Security says it can help. Hold Security also directs its incident response work at companies that encounter ransomware, APTs, Nation State targeting or suspected cyber fraud or theft. Organizations that want to verify organizational controls around regulatory levels, human resources and data classification are another group Hold Security addresses.Not written yet
Last verified
October 30, 2026November 2, 2026

Where they overlap

  • Threat intelligence is the primary category of both Hold Security, LLC and VulnCheck.

Where they differ, field by field

  • Hold Security, LLC is also filed under Digital risk protection, Penetration testing and red team services and Incident response and forensics. VulnCheck is also filed under Vulnerability management.
  • Hold Security, LLC lists Threat Intelligence Services and Domain Integrity Service. VulnCheck lists Exploit & Vulnerability Intelligence, Initial Access Intelligence and VulnCheck for Government.
  • VulnCheck is headquartered in Lexington, United States.
  • VulnCheck is privately held.

How they differ

CISO Tribune files Hold Security, LLC under Threat intelligence, Digital risk protection, Penetration testing and red team services, and Incident response and forensics, with Threat intelligence as its primary category. CISO Tribune files VulnCheck under Threat intelligence and Vulnerability management, also with Threat intelligence as its primary category. Threat intelligence is the point of overlap, but the products point in different directions.

Hold Security sells Threat Intelligence Services that index and correlate public and private resources on the Dark Web and Internet, and a Domain Integrity Service that monitors and alerts on domain names. It also offers Penetration Testing, Red Team, and Vulnerability Assessment services, along with Incident Response Services. Hold Security says it works with companies of all sizes, including Fortune Global 500 organizations. VulnCheck sells Exploit & Vulnerability Intelligence, which gives early access to new vulnerability information not found in the NVD, and Initial Access Intelligence, which covers exploit PoCs, packet captures and Suricata signatures developed in house. VulnCheck also sells VulnCheck for Government, with features and data available only to Government partners.

VulnCheck is headquartered in Lexington, United States, and is privately held. On February 17, 2026, VulnCheck announced a $25 million Series B round led by Sorenson Capital, with National Grid Partners and existing investors also taking part. On December 8, 2025, it announced two executive hires, for Vice President of Product & Engineering and Vice President of Finance.

What it sells: Hold Security, LLC

What Domain Integrity Service does[2][4]
Hold Security's Domain Integrity Service provides monitoring and alerting of domain names. Domain Integrity Service offers portal access or customized reports created by Hold Security analysts.

What it sells: VulnCheck

What Exploit & Vulnerability Intelligence does[1][4][5][10][11][15]
Exploit & Vulnerability Intelligence is offered for decisions on which vulnerabilities need immediate remediation. It gives early access to new vulnerability information not found in the NVD, along with dozens of unique fields. It includes an exploitation timeline covering when a vulnerability was first disclosed, when evidence of exploitation was first discovered and when it was remediated.
What Initial Access Intelligence does[1][5][8]
VulnCheck develops exploit PoCs, packet captures, and Suricata signatures in house. They are used to defend against initial access vulnerabilities.
What VulnCheck for Government does[16]
VulnCheck for Government includes features, functionality and data. They are available only to VulnCheck's Government partners.

Questions about Hold Security, LLC and VulnCheck

What do Hold Security, LLC and VulnCheck sell?
Hold Security, LLC sells Threat Intelligence Services and Domain Integrity Service. VulnCheck sells Exploit & Vulnerability Intelligence, Initial Access Intelligence and VulnCheck for Government.
Are Hold Security, LLC and VulnCheck in the same category?
Yes. Threat intelligence is the primary category of both on CISO Tribune.
Where are Hold Security, LLC and VulnCheck headquartered?
VulnCheck is headquartered in Lexington, United States.
Who owns Hold Security, LLC and VulnCheck?
VulnCheck is privately held.
Who are Hold Security, LLC and VulnCheck sold to?
From its own pages, Hold Security sells mainly to companies of all sizes.
What have Hold Security, LLC and VulnCheck announced recently?
February 17, 2026: VulnCheck announced it raised $25 million in new funding to scale its growth and expand its intelligence capabilities.

About Hold Security, LLC

Hold Security, LLC is an Information Security, Threat Intelligence, Penetration Testing, Risk Management and Incident Response company, helping businesses of all sizes stay secure. Hold Security works with companies around the world to enhance their security posture. Alex Holden worked for over 10 years as the Chief Information Security Officer for a large brokerage firm in the United States before joining the consulting world. Hold Security engineers play lead roles in investigations of major security breaches.[3]

Hold Security indexes and correlates public and private/confidential resources on the Dark Web and Internet to identify malicious and threatening events. Hold Security Threat Intelligence Analysts examine threat data and interpret it to eliminate false positives. Hold Security designs its Threat Intelligence Services to assist organizations in monitoring the Dark Web. Hold Security has profiled thousands of actors. Most data gathering and processing at Hold Security is conducted by native speakers of English, Russian, Ukrainian, Spanish, Portuguese, and Mandarin.[1][3]

Hold Security's Domain Integrity Service provides monitoring and alerting of domain names. Domain Integrity Service offers portal access or customized reports created by Hold Security analysts.[2]

Hold Security conducts assessments of infrastructure and software through its Information Security Assessment Services to identify critical vulnerabilities. Hold Security offers services that include Penetration Testing, Red Team, and Vulnerability Assessment. Hold Security conducts all of its assessments in accordance with industry regulations and customer requirements. Hold Security compares test results to industry security standards and continuously measures improvements over time.[2][5][6]

Hold Security testing methodologies require engineers to conduct in-depth manual reviews of test results and their own battery of tests. Hold Security never relies on automated scanning tools as a sole way for assessments. Hold Security uses its Threat Intelligence Services to obtain the latest tools and techniques employed by cyber criminals. Hold Security's Black Box assessment technique simulates real-life situations where electronic assets are tested for vulnerabilities and subversions using the most basic sets of information available. Hold Security's Grey Box assessment technique scans with as much knowledge about the systems as the customer is willing to share. Hold Security offers a White Box assessment to audit or test systems, performed from the system administrator level with access to all necessary resources.[6]

Hold Security conducts tests including regression testing, debug analysis and code review to test all inputs and outputs of software for vulnerabilities. Hold Security's services include examinations of patch levels across customer software and libraries. Hold Security provides specialized Red Teams focused on offense and Purple Teams that unite offense and defense. Hold Security can help customers verify that organizational controls around security are effective on regulatory levels, human resources, and data classification. Hold Security engineers help customers identify data types and how data moves inside the enterprise within its partners and for its customers.[6]

Hold Security offers Incident Response Services to provide support and expertise in the event of cyber incidents. Hold Security helps companies that suspect cyber fraud or theft, face APTs or Nation State targeting, or encounter issues with ransomware. Hold Security works with companies of all sizes, including Fortune Global 500 organizations.[2][3][5][6]

Hold Security, LLC on the record

Sources

Hold Security, LLC full record

  1. [1]holdsecurity.comHold Security · holdsecurity.com · undated page, accessed October 30, 2026 · Tier A
  2. [2]SolutionsHold Security · holdsecurity.com · undated page, accessed October 30, 2026 · Tier A
  3. [3]About Us | Hold SecurityHold Security · undated page, accessed November 10, 2026 · Tier A
  4. [4]Hold Security - Information Security & Threat IntelligenceHold Security · undated page, accessed November 10, 2026 · Tier A
  5. [5]Solutions | Hold SecurityHold Security · undated page, accessed November 10, 2026 · Tier A
  6. [6]Information Security Assessment Services | Hold SecurityHold Security · undated page, accessed November 10, 2026 · Tier A

VulnCheck full record

  1. [1]vulncheck.comVulnCheck · vulncheck.com · undated page, accessed September 27, 2026 · Tier A
  2. [2]Series aVulnCheck · vulncheck.com · published March 18, 2025 · Tier A
  3. [3]PrivacyVulnCheck · vulncheck.com · undated page, accessed September 27, 2026 · Tier A
  4. [4]Introduction - VulnCheck DocsVulnCheck · undated page, accessed October 30, 2026 · Tier A
  5. [5]VulnCheck - Outpace AdversariesVulnCheck · undated page, accessed October 30, 2026 · Tier A
  6. [6]Canary Intelligence - VulnCheck DocsVulnCheck · undated page, accessed October 30, 2026 · Tier A
  7. [7]Target Intelligence - VulnCheck DocsVulnCheck · undated page, accessed October 30, 2026 · Tier A
  8. [8]Initial Access Intelligence - VulnCheck DocsVulnCheck · undated page, accessed October 30, 2026 · Tier A
  9. [9]Query Parameters - VulnCheck DocsVulnCheck · undated page, accessed October 30, 2026 · Tier A
  10. [10]Package Manager Support - VulnCheck DocsVulnCheck · undated page, accessed October 30, 2026 · Tier A
  11. [11]NVD Migration - VulnCheck DocsVulnCheck · undated page, accessed October 30, 2026 · Tier A
  12. [12]VulnCheck Raises $25M Series B Financing to Address Surging Demand for its Exploit Intelligence SolutionsVulnCheck · published February 17, 2026 · Tier A
  13. [13]VulnCheck Announces Strategic Leadership Appointments to Accelerate GrowthVulnCheck · published December 8, 2025 · Tier A
  14. [14]Exclusive: VulnCheck nabs $25M Series B fundingAxios · published February 17, 2026 · Tier B
  15. [15]Exploit & Vulnerability Intelligence | Products | VulnCheckVulnCheck · undated page, accessed November 10, 2026 · Tier A
  16. [16]Products | VulnCheckVulnCheck · undated page, accessed November 10, 2026 · Tier A
  17. [17]Company | VulnCheckVulnCheck · undated page, accessed November 10, 2026 · Tier A
  18. [18]Service Terms | VulnCheckVulnCheck · published April 20, 2026 · Tier A
  19. [19]VulnCheck raises $25M to expand real-time exploit intelligence platformSiliconANGLE · published February 17, 2026 · Tier B

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