Askul records leak tied to RansomHouse ransomware attack
Data Leak
Summary
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The Askul Corporation data leak now matters because RansomHouse stole about 740,000 records from the company’s October ransomware attack, expanding the blast radius beyond the service outage. The exposed material covers business customers, individual customers, business partners, and executives and employees. Askul has confirmed the exposure, is notifying affected parties, and has started long-term monitoring to reduce misuse.
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The ransomware incident in October caused an IT system failure, forcing the company to suspend shipments to customers, including the retail giant Muji.
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IncidentHow related: The ransomware incident in October caused an IT system failure, forcing the company to suspend shipments to customers, including the retail giant Muji.
About this happening: Askul confirmed a ransomware intrusion that caused system failure, disrupted orders and shipping, and affected downstream retail delivery services. The company initially said it w...
Latest development: 15.12.2025 02:00
Askul Corporation says attackers likely entered through compromised authentication credentials for an outsourced partner administrator account without MFA, then conducted reconnaissance, attempted credential collection, disabled EDR, moved between multiple servers, and used multiple ransomware variants that evaded updated EDR signatures.
Timeline
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16.12.2025 01:13 2 articles · 5mo ago
Askul records leak tied to RansomHouse ransomware attack
Initial DisclosureThe leak first surfaced when **RansomHouse** disclosed the breach on **October 30**, then followed up with additional leak posts on **November 10** and **December 2**.
Show sources
- Askul confirms theft of 740k customer records in ransomware attack — www.bleepingcomputer.com — 16.12.2025 01:13
- Askul confirms theft of 740k customer records in ransomware attack — www.bleepingcomputer.com — 16.12.2025 01:13