Written by the Fiveable Content Team โข Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated August 2025
Definition
Personally identifiable information (PII) refers to any data that can be used to identify an individual. This includes information such as names, addresses, social security numbers, or even unique identifiers like IP addresses.