[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f2fa8s949iodo6":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":18,"affectedCountUnit":20,"hasEnglishDescription":4,"severity":21,"dataClasses":22,"description":25,"seoTitle":26,"seoTitleEn":8,"seoDescription":26,"seoDescriptionEn":27,"logoUrl":28,"isVerified":4,"isSensitive":4,"isSpamList":29,"isMalware":29,"company":30},"6a6f7803d7e8c10185506373","AestoHealth2025","Aesto Health 2025 Data Breach","aesto-health-2025","aestohealth.com","2025-12-02T00:00:00.000Z","2026-08-02T17:01:55.604Z","Unauthorized cloud access","https:\u002F\u002Foag.ca.gov\u002Fecrime\u002Fdatabreach\u002Freports\u002Fsb24-627513",[14,16,17],"https:\u002F\u002Foag.ca.gov\u002Fecrime\u002Fdatabreach\u002Freports\u002Fsb24-627495","https:\u002F\u002Fclassactionu.org\u002Fcurrent-data-breaches\u002Fstanislaus-county-health-services-agency\u002F",null,"unknown","people","Unknown",[23,24],"Names","Protected health information","\u003Cp>\u003Cstrong>The 2025 Aesto Health data breach\u003C\u002Fstrong> affected a limited portion of the Amazon Web Services environment used by the healthcare data-migration and archiving provider. The unauthorized-access window was identified as December 2–18, 2025, and the company detected the incident around December 18.\u003C\u002Fp>\u003Cp>After forensic investigation and document review, Aesto confirmed on May 26, 2026 that some protected health information may have been viewed or acquired. A total affected-person count has not been disclosed, and the notices said there was no evidence that the information had been misused.\u003C\u002Fp>\u003Ch2>What Happened?\u003C\u002Fh2>\u003Cp>The incident concerned a limited part of the cloud infrastructure where Aesto maintained healthcare data. The company engaged external cybersecurity specialists and conducted a manual review to identify files that may have been affected.\u003C\u002Fp>\u003Cp>Notices issued for Stanislaus County Health Services Agency and Everside Health describe the same Aesto incident. Different provider-notification dates do not establish separate attacks; this entry is limited to the single vendor event.\u003C\u002Fp>\u003Ch2>What Information May Have Been Involved?\u003C\u002Fh2>\u003Cp>The notices confirm affected individuals' full names and protected health information connected to their care. Aesto indicates that the fields in the files could vary by person and by the healthcare organization involved.\u003C\u002Fp>\u003Cp>The published templates leave specific personal fields as placeholders. Social Security numbers, dates of birth, insurance numbers, banking information, passwords, and diagnoses therefore should not be presented as confirmed categories for the entire incident.\u003C\u002Fp>\u003Ch2>Medical Identity and Privacy Risks\u003C\u002Fh2>\u003Cp>A name combined with healthcare context can make fake appointment, billing, insurance, laboratory-result, or patient-portal messages more convincing. Disclosure of health information can also create a lasting privacy risk.\u003C\u002Fp>\u003Cp>The absence of known misuse at the time of notification does not eliminate future risk. Unexpected healthcare correspondence, unexplained insurance activity, and records for services a person did not receive deserve careful review.\u003C\u002Fp>\u003Ch2>Checks to Make Now\u003C\u002Fh2>\u003Cp>Affected people can review insurance explanations of benefits, patient-portal activity, and bills from healthcare providers. An unfamiliar service or claim should be verified directly with the provider and insurer through a known channel.\u003C\u002Fp>\u003Cp>Do not follow unexpected links in messages claiming to be from Aesto or a healthcare provider that request personal information, payment, a password, or a verification code. Confirm the message through a phone number on the official website or an existing patient portal.\u003C\u002Fp>\u003Ch2>Account and System Scope\u003C\u002Fh2>\u003Cp>The incident occurred in Aesto's cloud environment; this notice alone does not show that the networks of Stanislaus County, Everside Health, or other providers were compromised. It also does not confirm exposure of a person's email or patient-portal password.\u003C\u002Fp>\u003Cp>Even so, unique passwords, multi-factor authentication, and reviewing active sessions can strengthen patient-portal and email security. Password changes should be based on account-security needs, not on an unverified claim that credentials were exposed.\u003C\u002Fp>\u003Ch2>Long-Term Protection\u003C\u002Fh2>\u003Cp>Notice recipients can retain letters, suspicious bills, and insurance statements and periodically recheck their medical records. Correcting medical-identity errors can take time, so keeping an early paper trail is useful.\u003C\u002Fp>\u003Cp>If you find an unfamiliar medical record or insurance claim, dispute it in writing with the provider and insurer, secure relevant accounts, and complete any appropriate official reports. Verifying sensitive requests through a second channel reduces longer-term risk.\u003C\u002Fp>","","Aesto's AWS environment was accessed on December 2–18, 2025. Names and protected health information held for healthcare clients may be affected.","https:\u002F\u002Fwww.aestohealth.com\u002Fwp-content\u002Fuploads\u002F2023\u002F06\u002Faesto-health-logo-site-image.png",false,{"name":31,"sector":32,"country":33,"website":10,"websiteArchiveUrl":26,"websiteStatus":34,"websiteCheckedAt":12},"Aesto Health","Technology","United States","active"]