[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fd8hyjvbds9d1":3},{"success":4,"breach":5},true,{"_id":6,"name":7,"title":8,"slug":9,"domain":10,"breachDate":11,"addedDate":12,"publishedAt":13,"modifiedDate":12,"contentUpdatedAt":14,"source":15,"sourceUrl":16,"sourceUrls":17,"pwnCount":20,"affectedCount":20,"affectedCountStatus":21,"affectedCountLowerBound":13,"affectedCountUnit":22,"hasEnglishDescription":4,"contentLocale":23,"availableLocales":24,"translations":26,"severity":29,"dataClasses":30,"description":42,"seoTitle":43,"seoDescription":44,"logoUrl":45,"isVerified":4,"isSensitive":4,"isSpamList":46,"isMalware":46,"company":47},"6a4f7ac4ac9afd0ae0ce5f47","Norton Healthcare 2023","Norton Healthcare 2023 Data Breach","norton-healthcare-2023","nortonhealthcare.com","2023-05-07T00:00:00.000Z","2026-07-09T10:41:07.106Z",null,"2026-07-19T00:10:55.639Z","Official state regulatory notifications","https:\u002F\u002Fwww.maine.gov\u002Fagviewer\u002Fcontent\u002Fag\u002F985235c7-cb95-4be2-8792-a1252b4f8318\u002F0d29d7d3-48c2-4879-b6c7-32360396bd04.shtml",[16,18,19],"https:\u002F\u002Fwww.maine.gov\u002Fag\u002Fattachments\u002F985235c7-cb95-4be2-8792-a1252b4f8318\u002F0d29d7d3-48c2-4879-b6c7-32360396bd04\u002Fde1653a8-88cd-47fa-88d0-2df30ae6502a\u002FNorton%20-%20ME.pdf","https:\u002F\u002Fwww.mass.gov\u002Fdoc\u002Fassigned-data-breach-number-31105-norton-healthcare-inc-12-8-23\u002Fdownload",2500000,"known","unknown","en",[23,25],"tr",{"en":27,"tr":28},{"slug":9},{"slug":9},"Critical",[31,32,33,34,35,36,37,38,39,40,41],"Names","Contact information","Social security numbers","Dates of birth","Health information","Insurance information","Medical identification numbers","Driver's license numbers","Government issued IDs","Financial account information","Digital signatures","\u003Cp>The Norton Healthcare 2023 data breach is a large-scale health data security incident that occurred due to unauthorized access to certain network storage devices belonging to the Kentucky and Indiana-based healthcare network. According to official reports, the incident took place between May 7, 2023, and May 9, 2023. Norton Healthcare detected the cybersecurity incident on May 9, 2023, and later determined that it was a ransomware attack. The total number of affected individuals was reported as 2,500,000 in the regulatory filing.\u003C\u002Fp>\n\u003Cp>The scope of the incident should be carefully delineated: unauthorized person or persons were able to access certain network storage devices, but the company notification indicated that the medical records system and MyChart patient portal were not accessed. Therefore, the record does not state that the patient portal password or the main medical records system were directly compromised. Nonetheless, the breach has been considered highly sensitive because the files on the storage devices could contain information about patients, employees, former employees, individuals under care, and beneficiaries.\u003C\u002Fp>\n\u003Ch2>Leaking Data Types and Risks\u003C\u002Fh2>\n\u003Cp>The types of data at risk in verified notifications have been described as name, contact information, Social Security number, date of birth, health information, insurance information, and medical identification number. Some files may also contain driver’s license numbers or other government ID numbers, financial account numbers, and digital signatures. It has not been claimed that all of these fields are present for every individual; the affected data types may vary from person to person.\u003C\u002Fp>\n\u003Cp>This combination of data poses a particularly high risk for identity theft, fraudulent healthcare claims, insurance fraud, targeting of financial accounts, and personalized social engineering. Social Security number and date of birth are permanent identity fields; once exposed, a simple password change does not completely eliminate the risk. Health and insurance information, on the other hand, can enable attackers to create more convincing scenarios such as patient relationships, billing, appointments, lab results, insurance approvals, or reimbursements to gain trust.\u003C\u002Fp>\n\u003Ch2>Verified Scope and Boundaries\u003C\u002Fh2>\n\u003Cp>The verified dates of the breach are between May 7, 2023, and May 9, 2023; the discovery date is recorded as May 9, 2023. The regulatory notification lists the total number of affected individuals as 2,500,000. This number forms the basis for the recorded number of affected individuals. The disclosed type of the incident is an external system breach and ransomware attack. The company reported that after the incident, it worked with external security experts to terminate unauthorized access and strengthened security measures.\u003C\u002Fp>\n\u003Cp>This record does not use an expression as if the medical record system or patient portal was directly compromised, because the official notice states that these systems were not accessed. Similarly, it is not assumed that all individuals had financial account numbers, digital signatures, or government IDs. These areas are classified only as additional risk areas that may have been involved in some cases. Thus, the record reflects both the magnitude of the breach and its verified boundaries without exaggeration.\u003C\u002Fp>\n\u003Ch2>User Groups at Risk\u003C\u002Fh2>\n\u003Cp>The main groups at risk are Norton Healthcare patients, employees, former employees, individuals for whom employees are responsible, and beneficiaries. Notifications indicated that the files primarily included patient, employee, and dependent information. Therefore, not only individuals with an active patient account, but also those who have previously received healthcare services, those listed in employee records, or individuals included in the system as a relative of an employee may also be affected.\u003C\u002Fp>\n\u003Cp>Since there is also a notification template regarding minors, identity risks related to children are particularly important. Children's Social Security numbers or identity information can be misused for a long time without being noticed, because credit history or financial activity monitoring is done less thoroughly compared to adults. In the case of current and former employee groups, targeted fraud attempts can be observed through salary, fringe benefits, insurance, and dependent information.\u003C\u002Fp>\n\u003Ch2>Urgent Measures to Be Taken\u003C\u002Fh2>\n\u003Cp>People who may be affected should first check which data fields are included in the notification they receive. If Social Security number, date of birth, government ID, or financial account number are included, protective measures such as credit freezing, fraud alerts, and account activity monitoring should be strongly considered. Health insurance statements, medical billing records, and provider correspondence should be checked regularly.\u003C\u002Fp>\n\u003Cp>Unexpected phone calls, emails, text messages, or requests received by mail should be handled carefully. If a Social Security number, bank information, verification code, or account password is requested under the pretext of health services, insurance, billing correction, identity verification, or free protection services, this information should not be shared. Users should use verified channels in notifications or on the official website when communicating with the institution and should not trust incoming links directly.\u003C\u002Fp>\n\u003Ch2>Long-Term Security Strategies\u003C\u002Fh2>\n\u003Cp>For healthcare organizations, this incident demonstrates that network storage devices need to be protected as critically as the patient portal. Even if the main medical records system is not compromised, file sharing areas, archives, human resources documents, and insurance records can contain large volumes of sensitive data. Therefore, data minimization, file-level access control, network segmentation, regular backup verification, behavioral monitoring, and separate security layers for high-risk file areas become mandatory.\u003C\u002Fp>\n\u003Cp>Long-term protection on the user side should not be considered limited to a two-year monitoring service. Social Security numbers, birth dates, and health information are permanent; these areas can be used years later for fraudulent applications, account recovery, or health insurance fraud. Affected individuals need to continue to check their credit reports, health insurance statements, unexpected collection letters, and change of address notifications at regular intervals.\u003C\u002Fp>\n\u003Ch2>Record Control and User Action\u003C\u002Fh2>\n\u003Cp>This record on LeakData has been prepared to present to the user the verified date of the Norton Healthcare 2023 breach, the total number of affected individuals, and the types of disclosed data in an understandable manner. The appearance of this record in an email or domain check does not by itself prove which fields of the individual were affected; however, it indicates that users who have a patient, employee, former employee, dependent, or beneficiary relationship with Norton Healthcare should carefully review notifications.\u003C\u002Fp>\n\u003Cp>When users see this record, they should first evaluate their own healthcare service and employee\u002Fdependent relationship, and then track identity, credit, health insurance, and financial account activities. If a suspicious health bill, insurance transaction, credit application, or account change is detected, the relevant institution should be contacted directly through an independent channel. The record has been classified as highly sensitive because it carries risks related to identity data, health information, insurance information, and, for some individuals, financial account or government ID.\u003C\u002Fp>","Norton Healthcare 2023 Data Breach (2.5 Million Reported Records)","Norton Healthcare 2023 Data Breach. 2.5 Million reported records are reported. Reported data: Names, Contact information, Social security numbers. Review the…","\u002Fuploads\u002Flogo\u002Fnorton-healthcare-2023.svg",false,{"name":48,"sector":49,"country":50,"website":10,"websiteArchiveUrl":51,"websiteStatus":51,"websiteCheckedAt":13},"Norton Healthcare, Inc.","Healthcare","United States",""]