Resistant AI

Resistant AI is a security company that helps to protect AI systems from targeted manipulation, adversarial machine learning attacks and advanced fraud.

Resistant AI connects the dots to provide a new layer of trust and performance for our clients' systems.

Resistant AI was founded in 2019 by Martin Rehak. The company is headquartered in Prague, Prague, with an office in Bruxelles, Belgium.

Resistant AI's mission is to accompany our customers on this way and to ensure that the risks related to machine learning and AI adoption are responsibly detected, managed and resolved.

Resistant AI's product includes, Resistant Documents, that protects automated processes that rely on unauthenticated documents received from third parties in pdf, jpeg and other picture formats. Typical documents include invoices, payroll slips, bank statements, KYC documents, etc.


Resistant AI also provides Resistant Transactions, which protects online credit scoring, fraud detection and Anti-Money-Laundering (AML) systems against manipulation and circumvention by advanced and organised fraudsters. It also protects the fraud teams against false alarms and wrongful rejections caused by sub-optimal training, large rule-sets or other reasons.


Resistant AI has raised $2.75M in a Seed round on April 30, 2020. The round was co-led by Index Ventures and Credo Ventures, with participation from Seedcamp and other angel investors.



  • Year founded: 2019
  • Funding Info: $2.75M over 1 Round (Funding Type: Seed- Series Unknown)
  • Yearly Revenue: NA
  • Employee Size: 11-50
  • Business Valuation: NA
  • City/Town: Prague
  • State: Prague
  • Country: Czech Republic
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