Which term describes a vulnerability that is unknown and therefore has no mitigating control which is immediately and generally available?

Which term describes a vulnerability that is unknown and therefore has no mitigating control which is immediately and generally available?
A . Advanced Persistent Threat.
B . Trojan.
C . Stealthware.
D . Zero-day.

View Answer

Answer: D

Explanation:

https://en.wikipedia.org/wiki/Zero-day_(computing)