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Asahi ransomware may have exposed 1.5 million customers
A Qilin attack in September disrupted operations and took contact data.
- Organisation
- Asahi
- Disclosed
- 28 November 2025
- Affected
- 1,500,000
- Data
- Customer contact data
- Attacker
- Qilin
- Severity
- major
- Region
- Global
- Source
- CM Alliance monthly roundup ↗
Cite this
Nuffield Consulting, “Asahi ransomware may have exposed 1.5 million customers”, The Daily Tech Wire outage & breach log, 28 Nov 2025. https://techwire.nuffieldconsulting.com/incidents/2025-11-28-asahi-breach/ (retrieved 15 Nov 2026).
This entry summarises public reporting. Please also cite the original source: CM Alliance monthly roundup, https://www.cm-alliance.com/cybersecurity-blog/november-2025-major-cyber-attacks-ransomware-attacks-data-breaches.
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