The Week in Breach News: December 10, 2025

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Major Data Breaches Affecting Banking, Legal, and Retail Sectors On December 10, 2025, breaches were reported by Marquis, DMC, and Coupang, impacting millions of customers across the banking, legal, and retail sectors. These incidents highlight the vulnerabilities in data security that can lead to significant customer data exposure. 3 sources 31