Final answer:
Protected Personally Identifiable Information (Protected PII) is the term that fits the description of data not tied to a single category and requiring careful case-by-case assessment to protect individual privacy.
Step-by-step explanation:
The term that best describes the information about not being anchored to any single category of information or technology, and instead requiring a case-by-case assessment to protect an individual's privacy is c. Protected Personally Identifiable Information (Protected PII).
This term refers to measures and processes that are in place to securely manage sensitive information which, if disclosed, could harm an individual's privacy or well-being. Businesses, organizations, and governments must carefully manage this data to maintain privacy, security, and adhere to regulations. Examples include financial records or medical information, which, if compromised, could lead to identity theft or other privacy violations. The increased digital storage of such data has raised the stakes, making the protection of protected PII a crucial issue in information technology and cybersecurity.