
SpartanX, a Boston, MA-based AI-native offensive security company, has closed a Seed funding round.
Investors
The round was led by Venture Guides, with participation from additional angel and corporate investors.
Venture Guides is a Boston-based venture capital firm that provides active guidance to early-stage security, AI, cloud infrastructure, and data companies. With decades of experience building successful enterprise software companies, Venture Guides accelerates its portfolio through proven, team-based expertise and deep domain knowledge.
SpartanX Use of Funds
The company will use the funding to scale operations, expand hiring, enhance its AI-driven security platform, and support go-to-market growth initiatives.
About SpartanX
Led by CEO Diego Spahn, SpartanX is a cybersecurity company building an AI-native offensive security platform designed to automate full-stack red teaming. The platform combines 500+ AI agents with coverage across six attack surfaces, exploit validation, and automated remediation to deliver continuous security testing without human bottlenecks. Headquartered in Boston, Massachusetts, its mission is to make autonomous full-stack red teaming accessible to organizations of all sizes.
Funding Details
Company: SpartanX Technologies, Inc.
Raised: Undisclosed
Round: Seed
Funding Date: April 2026
Lead Investor: Venture Guides
Additional Investors: Angel and corporate investors
Company Website: https://www.spartanx.ai/
Software Category: Cybersecurity / AI / Offensive Security
Source: https://www.prnewswire.com/news-releases/spartanx-closes-seed-round-led-by-venture-guides-establishes-global-headquarters-in-boston-and-appoints-president-and-coo-to-scale-go-to-market-operations-302746617.html