Eaglesfield Adversarial AI | LLM Security & AI Safety Testing | UK-based, Global Operation

We've tested and adversarially probed models from:

OpenAIOpen AI AnthropicAnthropic ClaudeClaude Google DeepMindGoogle DeepMind Meta AIMeta AI CopilotCopilot
Eaglesfield Adversarial AI

LLM Pentesting & AI Safety Specialists

LLM Exploit Simulation

We test how users can exploit GPTs, Copilots, Claude, or Gemini via prompt chaining, tool misuse, or data injection. Our comprehensive testing reveals vulnerabilities in your AI applications before they become business risks.

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Red Team Prompt Engineering

Roleplay exploits, content filters bypasses, obfuscation attacks — we simulate how adversaries operate. Our team creates reproducible attack chains that test the boundaries of your AI system's safety measures.

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Behaviour Audits

We provide reproducible attack chains, response diffing, annotation and mitigation strategies. Our behavior audits help you understand how your model responds to different types of adversarial inputs.

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Plugin & Tooling Abuse Detection

We analyze plugin chaining, API flooding potential, logic bypasses and security claims. Our thorough testing identifies potential misuse cases in your AI system's integrations and connected tools.

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About Us

Why Choose Eaglesfield?

Eaglesfield Adversarial AI was established by Sarah Eaglesfield to help organizations understand and mitigate the risks associated with deploying language models. Based in the UK but operating globally, we've worked with clients to secure their AI applications against adversarial attacks and ensure safe deployment.

  • Specialists in LLM Abuse: We specialise in testing language models and prompt interfaces
  • Actionable, Not Theoretical: You get logs, annotated prompts, and exploitation chains
  • Credible Team: Experience in adversarial AI and applied alignment
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Our Services

What We Do

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Flexible Engagements

AI Security Testing

Securing your AI applications doesn't have to be expensive. We offer fixed-scope audits or long-term safety testing. Our services include:

  • Comprehensive vulnerability assessments of your LLM implementations
  • Detailed reports with actionable mitigation strategies
  • Ongoing testing as your AI systems evolve
  • Call or email us now to discuss your AI security requirements.
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