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Medical billing vendor MCBS exposes 1.3 million patients
Personal and medical information was taken.
- Organisation
- MCBS
- Disclosed
- 28 July 2026
- Affected
- 1,300,000
- Data
- Personal and medical data
- Attacker
- PEAR
- Severity
- critical
- Region
- Global
- Source
- CM Alliance monthly roundup ↗
Cite this
Nuffield Consulting, “Medical billing vendor MCBS exposes 1.3 million patients”, The Daily Tech Wire outage & breach log, 28 Jul 2026. https://techwire.nuffieldconsulting.com/incidents/2026-07-28-mcbs-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-data-breaches-ransomware-attacks-in-july-2026.
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