Fundraising Fox

Hadrian

Amsterdam, NL · Founded 2021 · 105 employees on LinkedIn · 19 known investors

Find your way into Hadrian

644 people in our graph share verified history with the Hadrian team — schools, employers, funds. One of them is your warm intro.

Martijn Kleijwegtunlockedknows Tijl van Vliet · together at University of Amsterdam (overlapped)
×2knows the team · via University of California, Berkeley, Haas School of Business
×5knows the team · via London Business School
knows the team · via BNP Paribas
knows the team · via Hadrian
×2knows the team · via The Hong Kong University of Science and Technology

Hadrian offers an offensive security platform that continuously maps an organization's external attack surface, discovers assets, and uses agentic AI to validate which exposures are actually exploitable. It serves enterprise security and SOC teams, providing continuous asset discovery, event-driven testing, and dark web monitoring.

AI & Machine LearningCybersecurityEnterprise SoftwareSaaS

Founders & leadership

Hadrian was founded in 2021 by Rogier Fischer, Olivier Beg, Maurice Clin, and Tijl van Vliet.

RFRogier Fischer
Rogier FischerinCo-Founder & CEOWhite-hat hacker who met Olivier Beg as a teenager; co-founded Hadrian to automate offensive security at scale.
OBOlivier Beg
Olivier BeginCo-Founder & Chief Hacking OfficerEthical hacker and co-founder who leads Hadrian’s offensive research and autonomous-hacking product.
MCMaurice Clin
Maurice ClininCo-Founder & Head of Business DevelopmentNamed as a 2021 co-founder; LinkedIn company data lists him as head of business development. A public profile URL was not verified here.
TVTijl van Vliet
Tijl van VlietinCo-Founder & Software Engineer2023–2024Named as a 2021 co-founder in seed coverage; a public LinkedIn slug was not verified here.

Investors · 19

CapitalGSan Francisco · $50M – $100M
Construct CapitalWashington · $2M – $6M
CyLon VenturesWitney
Lux CapitalNew York · $100K – $100M
PICUS CAPITALMunich · $100K – $300M
137 Venturesreported · 2 sourcesSan Francisco
1789 Capitalreported · 2 sourcesPalm Beach
Altimeter Capitalreported · 2 sourcesMenlo Park · $1M – $25M
Andreessen Horowitzreported · 2 sourcesMenlo Park · $500K – $50M
Apolloreported
Baillie Giffordreported · 2 sourcesEdinburgh
Founders Fundreported · 2 sourcesSan Francisco · $500K – $5M
T. Rowe PricereportedBaltimore
Valor Equity Partnersreported · 2 sourcesChicago

Also in the syndicate · 5

J.P. Morgan Strategic Investment GroupleadJPMorganChase’s Strategic Investment GroupleadMorgan Stanley Wealth ManagementWashington Harbour PartnersWCM Investment Managementlead

Funding

SEC filings, press & company announcements

$2.7B disclosed across 2 rounds · 2026

Source: company announcements and press reports — follow each round's link for the claim.

In the news

Hadrian Raises $1.37B Series D, Valuing Automated Defense Manufacturer at $7.87B - 3D Printing Industry3dprintingindustry.com · Aug 2026Hadrian raises $1.37 billion Series D | VoxelMatters - The heart of additive manufacturingvoxelmatters.com · Aug 2026Defense tech Hadrian raises $1.37B at $8B valuation | TechCrunchtechcrunch.com · Aug 2026Hadrian raises $1.4B to increase manufacturing footprint, workforce | Manufacturing Divemanufacturingdive.com · Aug 2026Hadrian Raises $1.37B Series D to Build Highly Automated Factories to Accelerate America's Industrial Renewalprnewswire.com · Aug 2026Hadrian valued at nearly $8 billion after fresh funding as money pours into defense techcnbc.com · Aug 2026

Frequently asked questions

What does Hadrian do?
Hadrian offers an offensive security platform that continuously maps an organization's external attack surface, discovers assets, and uses agentic AI to validate which exposures are actually exploitable. It serves enterprise security and SOC teams, providing continuous asset discovery, event-driven testing, and dark web monitoring.
Who founded Hadrian?
Hadrian was founded by Rogier Fischer, Olivier Beg, Maurice Clin, Tijl van Vliet in 2021.
Who are Hadrian's investors?
Hadrian's investors include CapitalG, Construct Capital, CyLon Ventures, Lux Capital, PICUS CAPITAL, 137 Ventures, 1789 Capital, Altimeter Capital and 6 more.
How much funding has Hadrian raised?
Hadrian has disclosed $2.7B raised across 2 rounds.
Where is Hadrian headquartered?
Hadrian is headquartered in Amsterdam, NL.