Don’t worry. All user data is encrypted and stored securely on the Between server.
If you received a notification that someone else accessed your account, please read the following information:
1. Reset your Between password (Once you change your password, you are force logged out of devices with access to your account).
2. Change your Between ID to a different email address.
3. Change the password of the email address you used as your Between ID.
4. If you were using Facebook to log in, change your Facebook password as well
※Do not delete your Between account.