What routine security measure is most effective in protecting against emerging threats?

A.
System patches

B.
Properly configuring the firewall

C.
Updating the disaster recovery plan

D.
Vulnerability assessments

Explanation:
Many new threats depend on exploiting system flaws. By routinely patching your system, you will achieve a significant level of protection against emerging threats.

Answer option C is incorrect. Updating a disaster recovery plan will not be effective against emerging threats.

Answer option B is incorrect. Obviously the firewall should be properly configured, but that is less effective against emerging threats.

Answer option D is incorrect. A vulnerability assessment is usually only useful against known threats, not emerging threats.