McCallister, E.
, Grance, T.
and Scarfone, K.
(2010),
Guide to protecting the confidentiality of Personally Identifiable Information (PII):, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NIST.SP.800-122
(Accessed April 28, 2025)