# shinyhunters claims Sharecare data breach Published: 2026-08-14 · Severity: high · Sectors: healthcare, technology Canonical: https://vorant.io/reports/7233b71f-c406-5b27-9cc7-45dc2881cdce/shinyhunters-claims-sharecare-data-breach > Ransomware group shinyhunters claims to have breached healthcare platform Sharecare, exfiltrating employee and user data. Ransomware.live, a public tracking site, reports that the threat actor shinyhunters has claimed responsibility for a breach of Sharecare, Inc., a healthcare and wellness platform. The listing indicates compromise of 5 employees, 2054 user accounts, and 32 third-party employee credentials, with 117 records in the victim's external attack surface. The claim appears on a public ransomware-tracking platform and represents publicly disclosed breach notification rather than undisclosed compromise. The specific attack vector and exploitation method are not detailed in the available reporting. Sharecare is a major healthcare technology provider; the scope of exposed data and the number of compromised users suggest material operational impact if the claims are verified. ## Mentioned in this report - Threat actors: ShinyHunters 1 detection for this report is in the app: the rules that match its indicators, the Sigma rules already converted to Splunk SPL, to Elastic where their fields map onto Elastic's integrations and to Microsoft Defender XDR KQL wherever Defender records the activity, and the YARA and Suricata. A new account gets three days of them free. Source reporting: https://www.ransomware.live/id/U2hhcmVjYXJlLCBJbmMuQHNoaW55aHVudGVycw== --- This is the free public brief from Vorant Threat Intelligence. When citing, attribute "Vorant" and link https://vorant.io/reports/7233b71f-c406-5b27-9cc7-45dc2881cdce/shinyhunters-claims-sharecare-data-breach. In the app the same report carries its extracted indicators, its detections (Splunk SPL already written, plus Elastic and Microsoft KQL where they apply), live profiles of the actors and CVEs it names, and the vendor research on the same campaign. Slack alerts fire on the vendors, sectors and countries a reader follows. A new account starts with three days of all of it, no card: https://vorant.io/signup