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SpartanX

Boston, US · Founded 2025 · 1 known investors

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SpartanX offers an autonomous, continuous AI red-teaming and penetration-testing platform that hunts for exploitable vulnerabilities across web, mobile, network, cloud, API, and AI/LLM systems, validating findings with proof-of-concept evidence. It targets enterprises with compliance requirements (PCI DSS, NYDFS, GLBA, DORA) and provides developer-ready remediation with framework mapping.

AI & Machine LearningCybersecuritySaaS

Founders & leadership

SpartanX was founded in 2025 by Diego Spahn and Martin Voelk.

DSDiego Spahn
Diego SpahnCo-Founder & CEODiego Spahn spent over 20 years in offensive security, including a decade leading red team operations as a consultant before founding Neuralys, an automated vulnerability management platform acquired by Coalfire in 2021. He is now Co-founder and CEO of SpartanX, an AI-powered autonomous red-teaming and penetration-testing platform, and holds C-AI/MLPEN and AIRTP+ certifications in adversarial AI testing.
MVMartin Voelk
Martin VoelkCo-Founder and Chief AI OfficerWith over 25 years in IT and network security across ISP, enterprise, and financial sectors, he holds certifications including CISSP, CCIE, and multiple penetration testing credentials across web applications, APIs, cloud, mobile, and AI/ML systems.
EH
Erik HardyPresident & COOErik Hardy is President and Chief Operating Officer of SpartanX, an autonomous AI red-teaming and penetration-testing platform. He previously spent 14 years at EMC in sales roles, led go-to-market efforts at Whiptail (acquired by Cisco) and Nutanix, and has invested in early-stage companies.
AS
Anton SimunovicNamed on SEC filing

Investors · 1

Funding

SEC filings, press & company announcements

$5M disclosed across 1 of 2 rounds · 2026

▶$5MraisedOct 2026 · 3 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Erik HardyExecutive Officer, Director
  • Anton SimunovicDirector
  • Diego SpahnExecutive Officer
Offering amount
$5M
Amount sold
$5M
First sale
Oct 2026
Incorporated
Corporation, Delaware, 2025
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

In the news

SpartanX Closes Seed Round Led by Venture Guides, Establishes Global Headquarters in Boston, and Appoints President and COO to Scale Go-to-Market Operationsprnewswire.com · Apr 2026SpartanX Closes Seed Fundingfinsmes.com · Apr 2026

Frequently asked questions

What does SpartanX do?
SpartanX offers an autonomous, continuous AI red-teaming and penetration-testing platform that hunts for exploitable vulnerabilities across web, mobile, network, cloud, API, and AI/LLM systems, validating findings with proof-of-concept evidence. It targets enterprises with compliance requirements (PCI DSS, NYDFS, GLBA, DORA) and provides developer-ready remediation with framework mapping.
Who founded SpartanX?
SpartanX was founded by Diego Spahn, Martin Voelk in 2025.
Who are SpartanX's investors?
SpartanX's investors include Venture Guides Management, L.P..
How much funding has SpartanX raised?
SpartanX has disclosed $5M raised across 1 of its 2 known rounds.
Where is SpartanX headquartered?
SpartanX is headquartered in Boston, US.