Dentsu Reports Data Breach at Subsidiary Merkle Affecting Employee Data

Dentsu Reports Data Breach at Subsidiary Merkle Affecting Employee Data

First seen 2 Dec 2025, 18:33 UTC •TheregisterBleepingcomputerDarkreading •6.7

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Dentsu, a global marketing giant, has reported a cyberattack on its subsidiary Merkle, resulting in the theft of sensitive employee data, including bank and payroll information. The breach was confirmed in communications sent to current and former staff, and Merkle operates in various global markets with over 16,000 employees.

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