In 2022 we published our guide to #anonymizing personal #data: https://stiftungdatenschutz.org/english/anonymisation-personal-data
#anonymisation

In addition, the #FutureOfPrivacyForum provides an [updated] infographic on de-identification, the process of removing personally identifiable information from data:
https://fpf.org/blog/a-visual-guide-to-practical-data-de-identification