2026 Sharecare — ShinyHunters; HIBP 318,200 emails (B2B + some BR health IDs)
Data compromised
HIBP: 318,200 unique emails. Mostly B2B sales/marketing (names, physical addresses, phones, job titles, employers). Small set of Brazilian health-insurance members including DOB, gender, marital status, CPF. No passwords in the HIBP description.
Technical writeup
HIBP listing added 12 Oct 2026 for an August ShinyHunters corpus. Company confirmation not attached to the HIBP page. Catalog companyConfirmed false; recordsAffected 318200 (HIBP).
Root cause
ShinyHunters pay-or-leak campaign (Aug 2026). HIBP loaded the published corpus 12 Oct 2026. Sharecare had not issued a matching public confirmation at HIBP indexing.