Fleuret AI, a French startup using agentic AI to automate penetration testing, has secured €4m in pre-seed funding to strengthen its position in European offensive security.

RAISE Ventures led the investment. Auriga Cyber Ventures, Wind Capital and Better Angle also took part, as did several prominent business angels from the cybersecurity sector.

The company plans to put the capital towards recruiting in AI, software engineering and offensive security, and towards developing its platform more quickly. Because the agents run from Europe on European infrastructure, Fleuret says they can also meet the rising sovereignty demands of businesses in heavily regulated industries.

Fleuret wants to turn penetration testing from a periodic check into an ongoing process. Organisations update their systems daily while security expectations keep growing, and regulations such as NIS2 require more businesses to show their defences hold up. Penetration tests, however, have mostly been carried out as occasional audits. These capture a system at one point in time, and a deployment made only days later can already alter the attack surface.

The platform covers five areas: understanding which systems are exposed, discovering vulnerabilities, demonstrating that they can be exploited, supporting remediation, and confirming that fixes have worked.

It relies on two AI agents, named Emile and Champollion, to carry out the tasks normally handled by a pentester. The agents map an organisation’s environment and examine its applications, APIs and infrastructure, then attempt to exploit any weaknesses they uncover. Each result includes a proof of compromise showing in practical terms how the flaw could be used.

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