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Sharecare – 318,185 breached accounts

Redpacketsecurity •admin • October 13, 2026

In August 2026, the digital health company Sharecare was the target of a ShinyHunters “pay or leak” extortion campaign . The group subsequently published data it claimed was taken from Sharecare’s systems, containing 318k unique email addresses. Most of the data consisted of B2B sales and marketing records with names, physical addresses, phone numbers, job titles and employers. The data also included a small number of Brazilian health insurance plan members, including dates of birth, genders, marital statuses and CPF numbers (Brazilian taxpayer identification numbers).

Published Date: Mon, 12 Oct 2026 23:28:32 Z

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The full story

This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Sharecare Suffers Data Breach Affecting 318,185 Accounts In August 2026, Sharecare, a digital health company, was targeted by the ShinyHunters group in a 'pay or leak' extortion campaign. The attackers published data claiming to be from Sharecare's systems, which included 318,185 unique email addresses and extensive B2B sales and marketing records. Among the leaked data were personal details of a small number of Brazilian health insurance plan members, such as dates of birth and CPF numbers. The breach highlights the risks associated with sensitive health data and the potential for targeted phishing attacks against affected individuals. Sharecare has not confirmed the breach's specifics, but the data leak raises concerns about identity fraud and phishing attempts. Users are advised to enable two-factor authentication and remain vigilant against suspicious communications. 2 sources 56

Sharecare – 318,185 breached accounts

The full story

Extracted Entities

Attack Types (1)

Companies (1)