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TransUnion breach exposes 4.4 million people
Salesforce-based data theft exposed unredacted SSNs.
- Organisation
- TransUnion
- Disclosed
- 28 August 2025
- Affected
- 4,400,000
- Data
- Names, addresses, dates of birth, SSNs
- Attacker
- ShinyHunters
- Severity
- critical
- Region
- Global
- Source
- CM Alliance monthly roundup ↗
Cite this
Nuffield Consulting, “TransUnion breach exposes 4.4 million people”, The Daily Tech Wire outage & breach log, 28 Aug 2025. https://techwire.nuffieldconsulting.com/incidents/2025-08-28-transunion-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/major-cyber-attacks-ransomware-attacks-and-data-breaches-august-2025.
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