Sharecare Suffers Data Breach Affecting 318,185 Accounts

• •Sharecare's data breach involved 318,185 accounts, primarily B2B records.
• •The breach was part of a ShinyHunters extortion campaign with sensitive personal data leaked.
• •Affected users should enable two-factor authentication and be cautious of phishing attempts.

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.