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| dcc:pdpsol:de-identification [2026/02/17 09:52] – marlon | dcc:pdpsol:de-identification [2026/02/17 10:09] (current) – marlon |
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| ==== Anonymization versus pseudonymization ==== | ==== Anonymization versus pseudonymization ==== |
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| === Pseudonymization === | === Pseudonymization === |
| Pseudonymization is a de-identification procedure during which personally identifiable information is replaced by an unique alias or code (pseudonym). In general, the names and/or contact details of data subjects are stored with this pseudonym in a so-called keyfile. The keyfile enables the re-identification of individuals in the dataset. Keyfiles are stored separately from the rest of the data and access should be restricted. In contrast to an anonymized dataset, a pseudonymized dataset in principle still allows for the re-identification of data subjects. | Pseudonymization is a de-identification procedure which is often implemented during data collection. During pseudonymization personally identifiable information is replaced by an unique alias or code (pseudonym). In general, the names and/or contact details of data subjects are stored with this pseudonym in a so-called keyfile. The keyfile enables the re-identification of individuals in the dataset. Keyfiles are stored separately from the rest of the data and access should be restricted. In contrast to an anonymized dataset, a pseudonymized dataset in principle still allows for the re-identification of data subjects. |
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| [[pseudonymization|→ Refer to our page on pseudonymization for practical advise on its implementation.]] | [[pseudonymization|→ Refer to our page on pseudonymization for practical advise on its implementation.]] |