Gemini disclosed a data breach caused by a cyberattack on its ACH service provider between June 3 and June 7, 2024. The breach exposed customers' banking information, including names, account numbers, and routing numbers. Other sensitive information such as social security numbers, email addresses, and passwords were not compromised. Gemini is investigating the incident with external experts and has advised affected customers to monitor for fraudulent activity and enable multi-factor authentication on their bank accounts.