Home / Incidents / Data breach
Aflac breach later put at 22.7 million customers
A Scattered Spider social-engineering intrusion took claims, health and SSN data. The full scale was disclosed in December.
- Organisation
- Aflac
- Disclosed
- 12 June 2025
- Affected
- 22,700,000
- Data
- SSNs, claims, medical information
- Attacker
- Scattered Spider
- Severity
- critical
- Region
- Global
- Source
- CM Alliance monthly roundup ↗
Cite this
Nuffield Consulting, “Aflac breach later put at 22.7 million customers”, The Daily Tech Wire outage & breach log, 12 Jun 2025. https://techwire.nuffieldconsulting.com/incidents/2025-06-12-aflac-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/dec-2025-biggest-cyber-attacks-ransomware-attacks-and-data-breaches.
Related incidents
- 26 Jun 2025Ahold Delhaize ransomware breach affects 2.2 millionAhold Delhaize · breach · INC Ransom · 2.2M records
- 17 Jun 2025Episource breach exposes 5.4 million patientsEpisource · breach · Unknown · 5.4M records
- 22 Jun 2025McLaren Health Care notifies 743,000 patientsMcLaren Health Care · breach · INC-linked · 743K records
- 16 Jun 2025Zoomcar breach hits 8.4 million usersZoomcar · breach · Unknown · 8.4M records
- 4 Jun 2025Lee Enterprises ransomware exposes 40,000 SSNsLee Enterprises · breach · Qilin · 40K records