Volvo Group North America employee SSN leak via Miljödata breach
Data Leak
Summary
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Volvo Group North America employees were exposed in a third-party HR breach, creating a Social Security number leak and identity-theft risk. The exposure traces to Miljödata, a Swedish HR SaaS provider breached in August 2025. Volvo NA's own systems were not touched, but the stolen data included employees' names and SSNs and was later reported as posted to the Dark Web. With roughly 20,000 employees, the leak affects a large workforce and raises fraud concerns.
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Timeline
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04.11.2025 18:53 1 articles · 6mo ago
IMY investigates Miljödata leak over GDPR violations
Legal Policy Action UpdateThe Swedish Authority for Privacy Protection (IMY) investigates the Miljödata cyberattack after stolen data corresponding to 1.5 million people is exposed on the dark web; IMY says the case may involve GDPR violations and is prioritizing Miljödata, the City of Gothenburg, the Municipality of Älmhult, and the Region of Västmanland.
Show sources
- Data breach at major Swedish software supplier impacts 1.5 million — www.bleepingcomputer.com — 04.11.2025 18:53
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26.09.2025 22:59 1 articles · 8mo ago
Miljödata cloud breach exposes HR data
Exploitation ObservedDataCarry breached Miljödata's cloud infrastructure on Aug. 20, compromising a Swedish HR SaaS environment that stewarded employee data for multiple customers, including Volvo Group North America. Volvo NA's own systems were not touched, but the supplier compromise created the conditions for later theft of employee records.
Show sources
- Volvo Employee SSNs Stolen in Supplier Ransomware Attack — www.darkreading.com — 26.09.2025 22:59
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26.09.2025 22:59 1 articles · 8mo ago
Miljödata discovers the breach three days later
Detection Ioc UpdateMiljödata discovered the attack three days after the Aug. 20 intrusion, placing discovery on Aug. 23. The delayed detection matters because the compromise already encompassed a multi-tenant cloud environment that stored customer HR records.
Show sources
- Volvo Employee SSNs Stolen in Supplier Ransomware Attack — www.darkreading.com — 26.09.2025 22:59
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26.09.2025 22:59 1 articles · 8mo ago
Stolen Miljödata data is published to the Dark Web
Victim Impact UpdateOn Sept. 12, the threat actors warned that they would publish stolen Miljödata data to the Dark Web, and within hours they carried out that threat. The publication increased exposure risk for employee records such as names and Social Security numbers stolen from the compromised HR platform.
Show sources
- Volvo Employee SSNs Stolen in Supplier Ransomware Attack — www.darkreading.com — 26.09.2025 22:59
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26.09.2025 22:59 2 articles · 8mo ago
Volvo Group North America discloses employee data theft
Initial DisclosureVolvo Group North America told staff it was one victim of the Miljödata breach. Its own systems were not touched, but employee names and Social Security numbers were stolen and potentially published to the Dark Web, leaving a large workforce exposed to identity-theft risk.
Show sources
- Volvo Employee SSNs Stolen in Supplier Ransomware Attack — www.darkreading.com — 26.09.2025 22:59
- Volvo Employee SSNs Stolen in Supplier Ransomware Attack — www.darkreading.com — 26.09.2025 22:59