SecurityQuestion 39 of 100
Which term describes a previously unknown software vulnerability that attackers exploit before the vendor has released a patch?
a.Brute-force attack
b.Man-in-the-middle
c.Zero-day vulnerability
d.Replay attack
Explanation
A zero-day vulnerability is a flaw unknown to the vendor, giving defenders zero days to patch before exploitation. A brute-force attack guesses credentials and a replay attack reuses captured data.
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