/Companies

Hadrian

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

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Ask Giuseppe Lacerenza to introduce you to Maurice Clin

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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.

Founders & leadership

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

RFRogier Fischer
Rogier FischerCo-Founder & CEOWhite-hat hacker who met Olivier Beg as a teenager; co-founded Hadrian to automate offensive security at scale.
OBOlivier Beg
Olivier BegCo-Founder & Chief Hacking OfficerEthical hacker and co-founder who leads Hadrian’s offensive research and autonomous-hacking product.
MCMaurice Clin
Maurice ClinCo-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 VlietCo-Founder & Software Engineer2023–2024Named as a 2021 co-founder in seed coverage; a public LinkedIn slug was not verified here.

Investors · 19

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.

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.