CA ACF2 V16.0 introduces the new Generic Message Options feature, MSGOPTS GSO record. The MSGOPTS record enables you to better conform to PCI-DSS standards. The option record lets you define messages that are replaced by a generic logon failure message. The MSGOPTS record also lets you prevent the unintentional leaking of information (existence of a valid logonid) to malicious users.
Watch this video tutorial to learn about the generic message options feature.