The document discusses the GDPR requirements for data masking and pseudonymization. It provides context on the GDPR and how it aims to update privacy laws for a modern, digital world. The GDPR introduces legal definitions for pseudonymization, which refers to approaches like data masking that secure personal data in a way that indirect identities are still protected. It highlights how data masking technologies can help companies comply with the GDPR while maintaining data quality for analysis. Companies that fail to implement appropriate measures like pseudonymization could face fines up to 4% of global turnover under the GDPR.