DEFINITION
PII Masking
Personally Identifiable Information Masking
Definition
An automated security technique that redacts or obscures sensitive personal data (emails, SSNs, credit card numbers, etc.) from logs, traces, and observability data before storage or transmission. Protects user privacy in agent and LLM observability systems.
Examples in the Wild
- Example 1:Torrix automatic PII masking in LLM call logs
- Example 2:Email address redaction in prompt traces
- Example 3:Credit card number obfuscation in observability data