LLM Privacy
Waseem Alchaar
Security Architect | Cloud Security & AI | IAM | Sec+ | CYSA+ | AZ-500
Ensuring privacy in Large Language Model (LLM) applications is crucial, especially given the potential risks associated with sensitive data. Here are some strategies:
Data Sanitization: Before training an LLM, carefully sanitize your training data. Remove personally identifiable information (PII), confidential details, and any other sensitive content.
Differential Privacy: Consider applying differential privacy techniques during training. These methods add noise to the training data to protect individual privacy while maintaining model utility.
Fine-Tuning on Private Data: If you’re fine-tuning a pre-trained LLM on specific tasks, use private data sparingly. Avoid overfitting to sensitive information.
Secure Model Deployment:
- Access Control: Limit access to the deployed model. Only authorized users should interact with it.
- Rate Limiting: Implement rate limiting to prevent abuse or excessive queries.
- Encryption: Use encryption (e.g., HTTPS) for communication between clients and the model server.
Model Explainability and Auditing:
- Understand how your LLM makes predictions. Techniques like SHAP (SHapley Additive exPlanations) can help.
- Regularly audit the model’s behavior to ensure it doesn’t inadvertently leak sensitive information.
Privacy Policies and User Consent:
- Clearly communicate your application’s privacy policy to users.
- Obtain informed consent when collecting user data.