Exam 9: Embedded Operating Systems: The Hidden Threat

MATCHING Match each term with the correct statement below. -open-source Linux OS for embedded systems and an OS microkernel extensions

Originally, ____ were used to perform routing and switching.

What did the botnet worm psyb0t (or the Network Bluepill) target?

Wind River produces an open-source Linux OS for embedded systems and an OS microkernel extension called ____.

Embedded systems include their own operating system, called a(n) "_________________________".

If a(n) ____ is compromised, attackers might be able to gain complete access to network resources.

MATCHING Match each term with the correct statement below. -slimmed down version of Windows XP

Both general-purpose and embedded OSs use drivers to interface with hardware devices.

OSs that use a(n) ____ sacrifice flexibility for simplicity and fewer hardware resources.

Why do many people dismiss the topic of embedded device security?

Embedded Linux is an example of a(n) ____ OS used in a multitude of industrial, medical, and consumer items.

A common vulnerability with routers and other networking devices is the _________________________ vulnerability.

A device that performs more than one function (e.g., printing and faxing) is called a(n) ____.

Explain the BIOS-level rootkit, called SubVirt, developed by Microsoft and the University of Michigan.

List at least four best practices for protecting embedded OSs.

MATCHING Match each term with the correct statement below. -used for equipment monitoring in large industries

A(n) ____ system may be used when automation is critical.

Firmware rootkits are hard to detect because the code for firmware often isn't checked for possible corruption.

The ____ worm spread by exploiting outdated or poorly configured router OSs that contained easy-to-guess passwords.

One reason that some vendors of embedded OSs are using ____ software more is that the cost of developing and patching an OS is shared by the entire community.