If you work in data protection, I bet you love questions like this:
I have some information which looks anonymous – but is it nonetheless ‘personal data’? (If it is, it saddles me with plenty of otherwise inapplicable legal duties blah moan). The test is whether there is a realistic prospect of someone being identified, but how do I apply that test? How do I tell whether the risk of someone being identified from this apparently anonymous information is sufficiently high?
And I bet you especially love questions like this:
I have some information which is anonymous in my hands: it would be absolutely impossible for me to identify anyone from this information. But someone else could – there is someone else who has the key which can unlock the identities behind this apparently anonymous (or pseudonymised) data. What now? Is it personal data or not? Continue reading