Unverified50% confidenceFactExact time
Using only unsalted hashing (such as applying SHA-256 directly to a CPF) does not constitute sufficiently irreversible anonymization under the LGPD, and the information is still regarded as personal data.
1
Sources
50%
Confidence
Long-term
Relevance
10/14/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedArticle 11 of the LGPD provides that anonymized data is excluded from the scope of the LGPD as long as the anonymization process meets the 'irreversible' requirement.69% similarUnverifiedThe LGPD does not require formal certification of anonymization, but it requires objective technical evidence (including processing records, audit reports and negative re-identification tests) to demonstrate compliance to the ANPD.61% similarUnverifiedThe paper currently provides only anonymous code for peer review and is still in the academic validation stage.59% similarUnverifiedIf anonymization is effective and irreversible, then using anonymized medical records to train AI does not require patient consent, but processing activities prior to anonymization still require a legal basis.58% similar
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