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I assume a copy of this report has been forwarded to the Home Office?
People might be more identifiable than previously thought from supposedly anonymised information contained in large databases, according to a technology law expert. New research recommends that privacy practices and even privacy laws need to change. Increasing amounts of personal information are collected by organisations and …
Random jitter is good. Jesus Loves You, Sir TBL and Google, not so much.
Re-Identification is so "easy" because DBA's delete when they should be redacting and then the researcher goes back and fills column holes (with a simple inner join) that were not there to begin with.
NULL is not Zero, (at best it's NaN) and a good DBA knows this. Of course if you were raised on spreadsheets and HTML tables this is hard to fathom.
This is how it should work ...
http://www.rustprivacy.org/rustthesql.pdf