An engineer has ensured that the switches are using the latest OS, the servers have the latest patches, and the endpoints' definitions are up to date. Which of the following will these actions most effectively prevent?
Zero-day means:
Brand new, just discovered vulnerability
No patch exists yet
First time being exploited
"Day zero" of being known.
So, the question is not relevant with Zero-day attacks.
The correct answer is:
D. Known exploits
Explanation:
By ensuring that switches are running the latest OS, servers have the latest patches, and endpoints are using up-to-date definitions, the engineer is effectively reducing the risk of known exploits. Known exploits are vulnerabilities that have been identified and for which patches or updates are available. By keeping systems updated, the engineer is preventing attackers from exploiting these known vulnerabilities.
Updating the OS, patches, and antivirus definitions addresses vulnerabilities that have already been identified and for which fixes or updates are available. This prevents attackers from exploiting these known vulnerabilities, often referred to as known exploits.
By ensuring switches, servers, and endpoints are up-to-date with the latest operating systems, patches, and definitions, the engineer is most effectively preventing zero-day exploits.
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