Hardware security threats include

• Environmental threat

• Technical threat

• Biological threat

• Human-caused threat

Some examples of peripheral hardware that need security are

• Keyboard

• Laptop bag

• LCD projector

• Computer casing

Natural disaster is one of technical threat

• True

• False

Which of the following is an example of human-caused threat?

• Undervoltage

• Flood

• Theft

• Fire and smoke

Biometric is

• technology used to recognize people

• technology to disrupt computer

• a biological virus

• an optical scanner

Computer and related equipment must be kept under optimal

• humidity

• gravity

• density

• temperature

Water damage can cause computer to

• switch on underwater

• electrical short circuit

• work properly

• move underwater

Noise along a power supply line can cause electromagnetic interference (EMI)

• True

• False

Some examples of biometric technologies are

• Face geometry

• Iris

• Voice

• Hair

Undervoltage or overvoltage can cause technical threat to computer

• True

• False