Threat actors are leveraging sophisticated technologies, like automated scripts and botnets, to amplify their card testing attacks, allowing them to exploit vulnerabilities at an unprecedented scale and speed. These attacks, known as enumeration attacks, inflict operational expenses and $1.1B annually in fraud losses,[1] accounting for a significant portion of global fraud. To combat this threat, today, Visa (NYSE:V), a leader in digital payments, announced updates to its Visa Account Attack Int...