Personally Identifiable Information (PII) is the term used for data that can be tracked back to one specific user. Examples of PII are names, social security numbers, biometrics, and other information that, in combination with other data, could be enough to identify a user.
“Personally Identifiable Information” also has a legal definition, depending on the country and its laws. Personally Identifiable Information in one state may not include the same type of information as “personal information” or “personal data” in another state, but the purpose of these laws is often the same—to protect the types of data that could reveal a person’s identity.
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