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Askul says 740,000 sets of data breached in cyberattack

ID: 8701fb0c-4c7d-59fc-8726-ba65e7b46788

STIX ID: report--8701fb0c-4c7d-59fc-8726-ba65e7b46788

Feed Name: DataBreaches.Net

Threat Score
70/100

Date Published: 2025-12-14

Date Updated: 2026-04-19

Author: Dissent

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Japanese office supplies retailer Askul disclosed a ransomware attack discovered in October that led to the exposure of about 740,000 data sets tied to corporate clients, individual customers (via Lohaco), and employees; the company says no individual customers’ credit card data leakage is confirmed and it has not paid a ransom. The Ransomhouse group listed Askul on its leak site on October 30 and subsequently published evidence packs in November and December, indicating ongoing extortion and data exposure activity.

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