# AI Privacy > [!metadata]- Metadata > **Published:** [[2025-02-09|Feb 09, 2025]] > **Tags:** #🌐 #learning-in-public #artificial-intelligence #cognitive-science #ethical-ai#bias-mitigation Privacy in AI systems involves protecting sensitive information while maintaining model utility. It encompasses data protection, consent management, and balancing individual rights with system performance. ## Key Privacy Concerns 1. **Data Collection**: - Informed consent requirements - Data minimization principles - Purpose limitation - Storage constraints 2. **Model Training**: - Protection of training data - Prevention of data leakage - [[Fairness Definitions|Fair representation]] - Secure computation 3. **Inference Privacy**: - Protection of user queries - Secure model outputs - Prevention of model inversion attacks - Membership inference protection ## Privacy-Preserving Techniques 1. **Differential Privacy**: - Mathematical privacy guarantees - Noise addition methods - Privacy budget management - Trade-off with utility 2. **Federated Learning**: - Distributed model training - Local data processing - Aggregation without raw data sharing - Cross-silo collaboration 3. **Encryption Methods**: - Homomorphic encryption - Secure multi-party computation - Zero-knowledge proofs - Privacy-preserving protocols ## Implementation Challenges 1. **Technical Constraints**: - Computational overhead - Performance impact - Integration complexity - Scalability issues 2. **Regulatory Compliance**: - GDPR requirements - CCPA compliance - Industry-specific regulations - International standards ## Relationship to Ethical AI Privacy protection supports: - [[Algorithmic Bias|Bias prevention]] - [[Fairness Definitions|Fair treatment]] - Individual autonomy - Trust in AI systems ## Best Practices 1. **Data Governance**: - Clear privacy policies - Data handling procedures - Access controls - Audit mechanisms 2. **User Rights**: - Right to explanation - Data access rights - Right to be forgotten - Consent management [Learn more about privacy in AI systems](@https://pmc.ncbi.nlm.nih.gov/articles/PMC10132017/)