Independent AI Security & Adversarial Validation

404Founders OÜ is an Estonian cybersecurity and R&D SME specialising in independent security and robustness testing for AI-enabled systems.

We assess how AI, LLM, RAG and agent-based systems behave outside normal development conditions, including unusual or manipulated inputs, data-related weaknesses, misuse scenarios, access-control issues, pipeline weaknesses and security problems in the surrounding software.

Our work can support research and innovation projects through adversarial testing, red-team validation, threat modelling, security-by-design, technical evidence, remediation support and re-testing.

We are a good fit for projects that need an independent technical validation partner rather than another model-development team. Relevant application areas include healthcare, critical infrastructure, mobility, secure software and other high-impact environments.