To verify that the user is indeed human, news organizations use a simple system involving a visual test. The process typically begins when the user tries to access sensitive or protected information on a website. They are then asked to press and hold a specific key combination, usually one letter, for a few seconds. This action generates a unique code that the website can verify against a database of known human responses.
If the user’s response matches the expected pattern, the system confirms their humanity, allowing them to proceed with accessing the protected content. However, if the response does not match, the system flags the interaction as potentially malicious, and additional security measures are triggered to prevent unauthorized access.
This human confirmation system is an essential tool for protecting websites and online applications from automated bots and other malicious actors. By verifying that users are human, these systems help ensure the security and integrity of sensitive information.
Source: https://www.sfgate.com/local/article/nintendo-switch-2-crowds-overshadow-tariffs-sf-20348170.php