Italian rail company Trenitalia is informing some customers via email that it has "detected a cybersecurity incident caused by unidentified external parties" that resulted in "unauthorized access to some personal data related to travel tickets." The company states that, following checks, it was able to "identify the affected customers" and send them the notification.     Trenitalia states, however, that "no account access data, personal credentials, or payment information (such as card number,