A company is developing requirements for a customized OS build that will be used in an embedded environment. The company procured hardware that is capable of reducing the likelihood of successful buffer overruns while executables are processing. Which of the following capabilities must be included for the OS to take advantage of this critical hardware-based countermeasure?
A) Application whitelisting
B) NX/XN bit
C) ASLR
D) TrustZone
E) SCP

Question

Quizplus · Accepted Answer

The NX/XN bit (No Execute/Execute Never) is a hardware-based security feature that helps prevent buffer overflow attacks by marking certain areas of memory as non-executable, thus preventing code execution from those regions.

A Company Is Developing Requirements for a Customized OS Build