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Explore the critical distinctions between anonymization and pseudonymization in this 22-minute conference talk from BSides Budapest IT Security Conference 2023. Delve into GDPR compliance considerations where presenter Dániel Zentai examines how pseudonymized data remains recoverable using secret information like decryption keys, while properly anonymized data cannot be recovered under any circumstances. Learn about practical implementations through detailed analysis of a hash-based anonymization protocol and a public key encryption-based pseudonymization protocol, gaining essential knowledge for implementing proper data protection measures in security systems.
