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Askul Reports Data Breach of 740,000 Sets Due to Ransomware Attack

First seen 14 Dec 2025, 15:45 UTC • •

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ThreatCluster •March 12, 2026 at 13:27 UTC

Japanese office supplies retailer Askul announced that a ransomware cyberattack discovered in October 2025 resulted in the breach of 740,000 sets of data. The compromised information includes details about individual customers, corporate clients, and employees, with 590,000 sets linked to corporate sales services.

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