Although you can view your deposited images while using the app, the images are not stored on your mobile device. The images are securely transmitted to the Bank in accordance with the Check 21 Act using SSL encryption. Your mobile device should be password protected with an auto lock feature enabled. You should never share your log on credentials with anyone.  The operating system on your mobile device should be kept current with the latest version to insure the latest security features are enabled and to avoid compatibility conflicts.