IT SecurityPregunta 77 de 100
What is a 'zero-day' vulnerability?
a.A security flaw unknown to the vendor and unpatched at the time it is exploited
b.A vulnerability that has existed for zero days
c.A password that expires daily
d.A firewall that blocks all traffic
Explicación
A zero-day vulnerability is a security flaw that is unknown to the software vendor and has no available patch when attackers begin exploiting it. These are especially dangerous because defenders have had no time to fix them. Rapid patching and layered defenses help mitigate the risk.
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