Final answer:
PII is any information about an individual maintained by an agency including any information that can be used to distinguish or trace an individual's identity; and any other information that is linked to an individual.
Step-by-step explanation:
True. PII stands for Personally Identifiable Information, which refers to any information about an individual that can be used to identify them. It includes not only obvious identifiers like names, addresses, and social security numbers, but also other information that can be linked to an individual, such as usernames, email addresses, and IP addresses. Protecting PII is crucial for maintaining privacy and preventing identity theft.