The answer is correct because faillock is indeed a utility that tracks the number of failed login attempts by a user. When a predefined threshold of consecutive unsuccessful attempts is surpassed, faillock can trigger an account lock, preventing further attempts for a specified duration of time. This is a security measure to protect against brute-force attacks. It is important to understand tools like faillock to secure Linux systems effectively against unauthorized access.
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What are brute-force attacks, and how does faillock protect against them?
What are the configuration options available for faillock?