[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fhm7qywq1in87":3},{"success":4,"breach":5},true,{"_id":6,"name":7,"title":8,"slug":9,"domain":10,"breachDate":11,"addedDate":12,"modifiedDate":12,"contentUpdatedAt":12,"source":13,"sourceUrl":14,"sourceUrls":15,"pwnCount":18,"affectedCount":18,"affectedCountStatus":19,"affectedCountLowerBound":20,"affectedCountUnit":21,"hasEnglishDescription":4,"severity":22,"dataClasses":23,"description":26,"seoTitle":27,"seoTitleEn":28,"seoDescription":27,"seoDescriptionEn":29,"logoUrl":30,"isVerified":4,"isSensitive":4,"isSpamList":31,"isMalware":31,"company":32},"6a704b41c57de67d2a35c8a9","CooperHealthSystem2024","Cooper Health System 2024 Data Breach","cooper-health-system-2024","cooperhealth.org","2024-05-14T00:00:00.000Z","2026-08-03T08:03:13.779Z","HHS OCR breach report and Cooper regulatory filing reporting","https:\u002F\u002Focrportal.hhs.gov\u002Focr\u002Fbreach\u002Fbreach_report.jsf",[14,16,17],"https:\u002F\u002Fwww.hipaajournal.com\u002Fcooper-health-system-data-breach\u002F","https:\u002F\u002Fwww.cooperhealth.org\u002F",57412,"known",null,"people","Medium",[24,25],"Names","Social security numbers","\u003Cp>\u003Cstrong>The 2024 Cooper Health System data breach\u003C\u002Fstrong> came to light after the New Jersey health system detected unusual activity on its network on May 14, 2024. The investigation found that an unauthorized third party accessed certain systems and may have exfiltrated sensitive information.\u003C\u002Fp>\u003Cp>The U.S. Department of Health and Human Services Office for Civil Rights records the event as a network-server Hacking\u002FIT Incident affecting 57,412 people. The publicly disclosed fields are limited to names and Social Security numbers, and both fields should not be assumed to have applied to every person.\u003C\u002Fp>\u003Ch2>How was the Cooper Health System breach confirmed?\u003C\u002Fh2>\u003Cp>The HHS OCR entry connects The Cooper Health System, a New Jersey healthcare provider, the total of 57,412 people, the May 23, 2025 report date, and a network server in one event. No other live catalog record matched the organization name, current Cooper University Health Care brand, domain, date, and affected-person total.\u003C\u002Fp>\u003Cp>An independent healthcare-security report describes Cooper's filing with the Maine Attorney General and corroborates the May 14, 2024 discovery date, unauthorized system access, completion of the file review around March 26, 2025, the disclosed fields, and the 57,412-person scope.\u003C\u002Fp>\u003Ch2>What was detected on May 14, 2024?\u003C\u002Fh2>\u003Cp>Cooper says it detected unusual activity on its network on May 14, 2024, without any disruption to system access. Third-party cybersecurity specialists were engaged to determine the nature and scope of the activity.\u003C\u002Fp>\u003Cp>The investigation found that an unauthorized third party accessed certain systems and may have exfiltrated sensitive data. Public sources do not disclose the start of access, technical vulnerability, initial access method, or actor, so May 14 is retained as the discovery date rather than represented as a confirmed access-window start.\u003C\u002Fp>\u003Ch2>What information may have been involved?\u003C\u002Fh2>\u003Cp>The file review was completed on or around March 26, 2025 and determined that the affected content included names and Social Security numbers. The official HHS total covers 57,412 people, but the distribution of those fields by person has not been published.\u003C\u002Fp>\u003Cp>Email addresses, passwords, bank accounts, payment cards, driver's licenses, dates of birth, diagnoses, and insurance information are not added because the public event reporting does not confirm them. The phrase “may have exfiltrated” is also not expanded into a claim of confirmed data acquisition.\u003C\u002Fp>\u003Ch2>Why do these details matter?\u003C\u002Fh2>\u003Cp>A name combined with a Social Security number can support identity theft, fraudulent credit applications, tax fraud, or attempts to open an account in another person's name. Because these identifiers cannot simply be changed, the risk is not limited to a short period.\u003C\u002Fp>\u003Cp>Callers who know a real name or part of an identifier may appear more convincing. Possessing such a detail does not prove that a sender represents Cooper, a bank, or a government agency, and unexpected requests should be verified through an independent channel.\u003C\u002Fp>\u003Ch2>How did the organization respond?\u003C\u002Fh2>\u003Cp>Cooper says it worked with third-party cybersecurity specialists and implemented additional measures to strengthen system security. Notices were sent to affected people, and eligible individuals were offered complimentary credit monitoring and identity-theft protection services.\u003C\u002Fp>\u003Cp>Public statements do not characterize the event as ransomware, identify a responsible group, or say that the information was definitively stolen. The event is therefore recorded as unauthorized network access, while the actor and root cause remain unconfirmed.\u003C\u002Fp>\u003Ch2>What should affected people do?\u003C\u002Fh2>\u003Cp>Notice recipients should regularly review credit reports for accounts they do not recognize and consider a free credit freeze or fraud alert when appropriate. Suspicious accounts and transactions should be reported to the relevant financial institution, credit bureaus, and authorities.\u003C\u002Fp>\u003Cp>Do not share a Social Security number, password, or one-time verification code in response to an unexpected email, call, or message. Requests claiming to come from Cooper, a bank, or a government agency should be verified through contact information on the organization's official website rather than links or numbers in the message.\u003C\u002Fp>","","Cooper Health System 2024 Data Breach (57.4 Thousand People Affected)","The Cooper Health System data breach may have affected names and Social Security numbers belonging to 57,412 people. Review the incident and safety steps.","\u002Fuploads\u002Flogo\u002Fcooper-university-health-care-official.svg",false,{"name":33,"sector":34,"country":35,"website":17,"websiteArchiveUrl":27,"websiteStatus":27,"websiteCheckedAt":20},"Cooper University Health Care","Healthcare","United States"]