A security analyst is reviewing server logs and notices thousands of failed login attempts for the 'admin' user account from a single IP address. The attempts appear to be systematically testing different password combinations. This activity is a strong indicator of which type of attack?
The log data showing a high volume of failed login attempts from a single source, using numerous password combinations, is characteristic of a brute force attack. This method involves systematically trying all possible character combinations to discover a password. A dictionary attack is similar but uses a list of words rather than all combinations. Phishing is a social engineering attack that tricks users into revealing credentials, which is not what is depicted here. Spoofing involves an attacker falsifying data to impersonate another device or user, which is also not the primary activity described.
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Why are brute force attacks effective despite their simplicity?
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How can individuals prevent brute force attacks on their accounts?
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What tools or technologies do attackers commonly use for brute force attacks?