2025-04-12 00:00:00 The two-factor authentication with the KZVB ID app is a secure login to protect user accounts for the Internet services and online services of the KZV Bayerns. In addition to the password, another security factor (KZVB ID) must be entered via the KZVB ID app when logging in. In addition, important transactions can be securely released via the KZVB ID app.