Cierant and Zumpano Patricios breaches expose over 200K individuals.

Cierant Corporation and Zumpano Patricios each disclosed breaches impacting 232,000 and 280,000 people, respectively. Cl0p ransomware exploited a Cleo file-transfer flaw at Cierant, exposing names, birthdates, medical record numbers, and insurance data. Zumpano Patricios detected a May 2025 intrusion that compromised patient PII and payment details, with no threat actor claiming credit. Both firms are notifying affected individuals and offering complimentary credit monitoring.

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https://www.securityweek.com/marketing-law-firms-say-data-breaches-impact-over-200000-people/