Introducing Defaince

Discover a one of a kind AI security shield


AI has revolutionised the way in which we live, work and interact with each other.

By placing faith in AI models, both businesses and individuals inadvertently offer hackers, cyber criminals and rival entities opportunities to launch an array of adversarial attacks, including but not limited to data poisoning, model tamperingdata breaches, and manipulative tactics such as bias and discriminations.

These malevolent attacks are employed to disrupt AI functionality, manipulate the underlying models and ​steal sensitive information, resulting in significant financial losses, reputational damage, compromised decision-making and even causing tangible harm. Imagine self-driving cars, medical diagnosis, and financial transactions being compromised by adversarial manipulation. 

Hence, defending against these through AI security measures and robust defense strategies is now paramount.


We're excited to announce Defaince, born out of the vision to fortify our digital defenses by harnessing the very techniques that cyber adversaries use.

Endre Abraham (Silur) • Defaince CTO & Co-Founder


With Defaince, our mission is simple: to empower and protect businesses and individuals alike with the most advanced and secure AI technology available, prioritizing AI Security and Privacy above all else


Key Focus Areas

AI Model Security and Privacy 

Ensure your model's privacy using machine unlearningzero knowledge machine learning (ZK-ML), fully homomorphic encryption (FHEML), differential privacy (DP) and ensembles methods to ensure the utmost protection of your sensitive data and models.


AI Model Robustness

Our cutting-edge AI security solutions protect models from threats like adversarial attacksmodel poisoning, evasion, and extraction. We use techniques like adversarial training, input sanitization, anomaly detectiondistillation, ensembles and model verification to fortify models against risks and ensure performance and accuracy.


AI Model Scaling

Our AI model scaling solutions aim to maximize the potential of your models by boosting their capabilities and optimizing their performance. Through techniques like distillation, we can reduce the number of parameters required for a given task, leading to faster inference speeds and increased model robustness and reliability.


AI Governance and Compliance

By implementing robust governance and compliance measures, organizations ensure that AI systems are developed and used responsibly, ethically, and in compliance with legal and regulatory requirements, thereby minimizing risks and maximizing the benefits of AI technologies.


Products and platforms

All-in-One AI-Risk-Mitigation Platform

The Defaince platform is designed to provide an all-in-one robust and automated security framework for safeguarding your AI models. It covers a wide range of critical areas including ensuring the privacy and protection of your models, enhancing their resilience, enabling seamless scalability, and offering comprehensive guidelines for AI governance and compliance.

Private GPT Chat

AI GPT chat models are specifically engineered to securely handle a wide range of data types, including personal, professional, and highly confidential information. By integrating Fully Homomorphic Encryption (FHE) into our GPT model, we ensure that all computations needed for processing the model's answers can be carried out on encrypted data without the need for decryption, thereby guaranteeing the utmost privacy and confidentiality of all user-shared data.

AI Watermarking Platform

Safeguard your AI models and datasets against intellectual property theft using our state-of-the-art watermarking platform. Our solution is meticulously crafted to guarantee the authenticity, traceability, and compliance of your digital assets with the regulations outlined in the EU AI Act.



We believe that AI should be a force for good, not a tool that can be manipulated for exploitation or control. That’s why we’re dedicated to developing and deploying AI-based solutions that are not only highly effective but also ethical and transparent.

Alexia Martinel • Defaince CEO & Co-Founder


At Defaince, we’re not just securing the next generation of AI systems; we’re redefining what’s possible with AI technology.


Defaince-AI-Security-logo

Join us on our journey to shield and fortify the AI industry!


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