{ "metadata": { "timestamp": "2025-11-07T08:59:26.645555", "original_rows": 45000, "original_columns": 14, "cleaned_rows": 45000, "cleaned_columns": 13, "presidio_version": "enabled", "gpu_acceleration": { "enabled": true, "cuda_available": true, "device": "NVIDIA GeForce RTX 4050 Laptop GPU", "gpu_memory_gb": 5.99658203125 } }, "summary": { "columns_removed": [ "person_education" ], "columns_anonymized": [ "loan_intent", "person_home_ownership" ], "total_cells_affected": 49906 }, "details": { "loan_intent": { "action": "ANONYMIZED", "strategies_applied": [ "HASH" ], "reason": "Contains ORGANIZATION entities. Applied hash anonymization to protect privacy.", "entity_types_found": [ "ORGANIZATION" ], "num_affected_rows": 23512, "percentage_affected": "52.2%", "examples": [ { "before": "MEDICAL", "after": "a978e21c3754862e57020380a3e9ea7ed66e16dfa3db6fb28b" }, { "before": "MEDICAL", "after": "a978e21c3754862e57020380a3e9ea7ed66e16dfa3db6fb28b" }, { "before": "MEDICAL", "after": "a978e21c3754862e57020380a3e9ea7ed66e16dfa3db6fb28b" } ], "presidio_metrics": { "avg_confidence": 0.85, "detections": [ { "entity_type": "ORGANIZATION", "count": 49, "avg_confidence": 0.85, "max_confidence": 0.85, "min_confidence": 0.85 } ] }, "gdpr_compliance": [] }, "person_home_ownership": { "action": "ANONYMIZED", "strategies_applied": [ "MASK" ], "reason": "Contains ORGANIZATION, LOCATION entities. Applied mask anonymization to protect privacy.", "entity_types_found": [ "ORGANIZATION", "LOCATION" ], "num_affected_rows": 26394, "percentage_affected": "58.7%", "examples": [ { "before": "RENT", "after": "****" }, { "before": "OWN", "after": "***" }, { "before": "RENT", "after": "****" } ], "presidio_metrics": { "avg_confidence": 0.85, "detections": [ { "entity_type": "ORGANIZATION", "count": 24, "avg_confidence": 0.85, "max_confidence": 0.85, "min_confidence": 0.85 }, { "entity_type": "LOCATION", "count": 49, "avg_confidence": 0.85, "max_confidence": 0.85, "min_confidence": 0.85 } ] }, "gdpr_compliance": [ "Art. 4(1) - Personal data (location)" ] }, "person_education": { "action": "REMOVED", "reason": "Contains HIGH risk PII requiring removal", "entity_types_found": [ "ORGANIZATION" ], "risk_level": "HIGH", "presidio_metrics": { "detections": [ { "entity_type": "ORGANIZATION", "count": 4, "avg_confidence": 0.85, "max_confidence": 0.85, "min_confidence": 0.85 } ] }, "gdpr_compliance": [] } }, "compliance": { "gdpr_articles_applied": [ "Art. 4(1) - Personal data (location)" ], "risk_mitigation": {} } }