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Plainsea

Agentic AI penetration testing platform for security teams and MSSPs

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Products
0
Founded
2022
Employees
11-50
Headquarters
Sofia, Bulgaria

About Plainsea

Plainsea builds an AI-powered penetration testing platform for continuous security validation, founded by Marko Simeonov (CEO) and Angel Angelov (CTO). The company originated from AMATAS, a CREST-certified global MSSP, and is backed by Ocean Investments. It sells to MSSPs, internal security teams, and enterprises looking to move from point-in-time penetration testing to continuous, scalable validation combining smart automation with expert human oversight.

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Info last updated on August 19, 2026

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