These are the starting point for ALex Jackl's recommendation for PII data elements for CCC based on the NIST recommended PII data elements.
Level 1 Elements are considered by NIST to be the most sensitive. NIST lists Level 2 Elements as those that must be used with caution as, when used in conjunction with other elements, may constitute a breach of privacy.
Level 3 elements are those elements that are present in CCC eco-system, yet not directly called out in the NIST standard.
A good overview of the PII element standards can be found here.
| Element | NIST Level | Obfuscated? | Encrypted? | Aggregate Only? | Notes |
|---|---|---|---|---|---|
Full name (if not common) | 1 | Y | N | N | |
Face (photograph) | 1 | Y | N | N/a | |
Home address | 1 | Y | N | N | |
Email address | 1 | Y | N | N | |
National identification number/SSN | 1 | Y | Y | N/A | |
Passport number | 1 | Y | Y | N/A | |
Vehicle registration plate number | 1 | Y | Y | N/A | |
Driver's license number | 1 | Y | Y | N/A | |
Fingerprints | 1 | Y | Y | N/A | |
| Handwriting capture | 1 | Y | N | N/A | |
Credit card numbers | 1 | Y | Y | N/A | |
Digital identity | 1 | Y | Y | N/A | |
Date of birth | 1 | N | N | N | If linked to other Class 1 Elements this must also be obfuscated |
Birthplace | 1 | N | N | N | If linked to other Class 1 Elements this must also be obfuscated |
Genetic information | 1 | Y | Y | N/A | |
Telephone number | 1 | Y | Y | N/A | Aggregating by Area Code is acceptable |
| Login name, | 1 | Y | Y | N/A | |
| Screen name | 1 | Y | Y | N/A | |
| Nickname, or handle | 1 | Y | Y | N/A | |
| First or last name individually, if common | 2 | N | N | N | |
| Country, state, postcode or city of residence | 2 | N | N | N | |
| Age | 2 | N | N | N | |
| Gender | 2 | N | N | N | |
| Race | 2 | Y | N | Y | |
| Name of school or workplace | 2 | N | N | N | |
| Grades | 2 | N | N | Y | Must be obfuscated if connected to Level 1 Elements in a public report |
| Salary | 2 | Y | Y | Y | |
| Job Position | 2 | N | N | N | |
| Criminal Record data | 2 | Y | Y | Y | |
| Web cookie | 2 | Y | N | N/A | |
| Sexual Orientation | 3 | Y | Y | N | |
| CCCID | 3 | N | N | Y | |