Mitchell County Dept. Social Services; 360 Dental; GiaCare Announce Data Breaches
Protected health information has been exposed in data security incidents at Mitchell County Department of Social Services in North Carolina, 360 Dental in Pennsylvania, and GiaCare in Florida.
Mitchell County Department of Social Services
Individuals who received services from Mitchell County Department of Social Services in North Carolina have had their sensitive information stolen in a ransomware attack. The investigation into the October 2025 ransomware attack on Mitchell County was initiated on October 20, 2025, following the encryption of files. The attack caused email and phone outages that lasted for several days. The forensic investigation confirmed that there had been unauthorized network access between October 16, 2025, and October 20, 2025, during which time files were exfiltrated.
The data review and investigation are ongoing to determine the types of information involved and the individuals affected. After that information has been confirmed and up-to-date contact information has been obtained, notification letters will be mailed to the affected individuals. Complimentary credit monitoring and identity theft protection services will be offered to the affected individuals, if appropriate, for instance, if their Social Security numbers were compromised in the incident.
The data breach has been reported to the HHS’ Office for Civil Rights using an interim total of 501 individuals. The total will be updated when County officials have confirmed the total number of affected individuals. County officials have confirmed that steps have been or will be taken in response to the incident to strengthen security. Those measures include upgrading the County email system, deploying additional software to enhance detection and accelerate the County’s response to cyber incidents, updating password policies, and strengthening restrictions for access to computer systems.
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360 Dental
360 Dental in Philadelphia, PA, has recently reported a data breach to the HHS’ Office for Civil Rights that has affected 11,273 individuals. According to its substitute breach notice, this was a ransomware attack that resulted in file encryption. The incident was detected on November 16, 2025, and the file review confirmed that sensitive patient data had been exposed in the incident.
The types of data involved varied from individual to individual and may have included names in combination with one or more of the following: date of birth, address, telephone number, email, patient account or chart number, dental and clinical records (such as treatment history, clinical notes, x -rays, and diagnostic information), insurance provider and member ID, appointment information, and emergency contacts. A limited number of Social Security numbers were also exposed.
360 Dental has taken steps to improve security following the ransomware attack. The affected computers have been replaced, the affected server has been rebuilt, software has been updated, and additional security tools have been implemented, including firewalls, antivirus software, multifactor authentication, and VPN-only remote access.
GiaCare
GiaCare, a Coral Springs, Florida-based company that provides healthcare staffing and IT services to government entities and healthcare organizations, has recently announced a data security incident, first identified on or around December 23, 2025.
GiaCare learned that a vulnerability existed Gladinet CentreStack, a third-party file sharing platform. GiaCare worked closely with its IT vendor to investigate and confirm the security of its systems and data. The IT vendor confirmed that GiaCare’s systems were secure and had not been accessed; however, the vulnerability had been exploited, and data within the Gladinet CentreStack platform had been accessed and exfiltrated by an unauthorized third-party on December 6, 2025. While the threat actor involved was not named, several cybersecurity firms linked the Gladinet CentreStack attacks to the Cl0p ransomware group – a group known to target zero-day vulnerabilities in file-sharing platforms.
The file review confirmed that names, Social Security numbers, and driver’s license numbers were compromised in the incident. The affected individuals are being notified by mail and have been offered complimentary credit monitoring and identity theft protection services. The number of affected individuals has yet to be publicly disclosed.
