Lakera Guard

Lakera Guard is a real-time developer security and AI application firewall engineered to protect Large Language Models (LLMs) and generative AI applications against prompt injection attacks, jailbreaks, data leakage, and toxic content. As organizations deploy generative AI assistants, customer service chatbots, and autonomous AI agents, LLMs become vulnerable to adversarial prompt manipulation techniques that trick models into bypassing safety controls, revealing confidential system instructions, or executing unauthorized actions. Lakera Guard acts as a sub-20-millisecond security API proxy positioned directly between user inputs and backend AI models. Powered by Lakera’s proprietary Gandalf intelligence engine—trained on hundreds of millions of real-world adversarial prompt attack attempts—the platform inspects and analyzes every input prompt and AI response in real time. Lakera Guard detects and blocks direct and indirect prompt injection, jailbreaking attempts, personally identifiable information (PII) exfiltration, and malicious code payloads before they reach the model. With simple Python and REST API integrations, Lakera Guard enables software engineering and AI teams to deploy generative AI applications safely, protect sensitive data, and maintain strict regulatory compliance.