How services use rate-limiting and CAPTCHA challenges to block automated login attempts.
The process of identifying and mitigating risks associated with leaked data from third-party breaches.
Files with specific extensions like this are often associated with automated web testing tools used for credential stuffing or account checking. In the context of a VPN service like NordVPN , such a configuration is typically designed to automate the process of testing leaked login credentials to see if they grant access to active accounts, a practice often referred to as "capturing" account details.