Anonymize personal data with local AI and Cerewro

GDPR requires protecting personally identifiable information (PII). Cerewro detects and anonymizes names, IDs, emails, phones and financial data in documents and databases, generating the required processing activity record.

CategoryExamplesAnonymization technique
IdentifiersPassport, NI number, SSNReplace with generic ID
ContactEmail, phone, addressPseudonymization / hash
FinancialIBAN, card numberTruncate (last 4 digits)
HealthDiagnoses, medicationsGeneralize / remove
NameFirst and last nameConsistent pseudonym
Anonymize document folder for testing
Anonymize all documents in C:\data\customers\ to create a test copy without real data:
- Replace names with "PERSON_001", "PERSON_002"...
- Replace emails with "email_001@example.com"
- Replace phone numbers with "+44 000 000 0001"
- Maintain consistency: same real person → always same pseudonym
- Save anonymized docs to C:\data\customers-anonymized\
- Generate correspondence map in password-protected Excel