Nov 062019
 
 November 6, 2019  Posted by  Govt, Laws, Non-U.S.

Kristof Van Quathem and Anna Oberschelp de Meneses of Covington & Burling write:

On November 4, 2019, the Spanish Supervisory Authority (“AEPD”), in collaboration with the European Data Protection Supervisor, published guidance on the use of hashing techniques for pseudonymization and anonymization purposes. In particular, the guidance analyses what factors increase the probability of re-identifying hashed messages.

The AEPD explains that the probability of re-identification increases if more information is available on the hash values used (e.g., that they were created on the basis of Spanish phone numbers of a certain operator).

Read more on InsidePrivacy.

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