Unit 11 External Threats EB

What is an external threat?

• A risk from within a company

• A risk from outside a company

• A risk from both inside and outside a company

• A risk from the internet

Why are external threats harder to deal with than internal threats?

• You can monitor people from the outside like you can employees

• You can predict what people from the outside might do next

• You cannot monitor people from the outside like you can employees

• You can predict what people from the outside might do next, but not employees

The purpose of ________ software is to cause damage to a computer system.

What is the difference between viruses and worms?

• Viruses can replicate themselves through a network to spread to other computers, while worms modify existing programs with malicious code

• Viruses modify existing programs with malicious code, while worms can replicate themselves through a network to spread to other computers

• Viruses and worms perform the same function

• 
  Viruses and worms are not types of malicious software

What is the goal of sabotage?

• To gain unauthorised access to a computer system

• To disrupt services through the use of denial of service attacks

• 
  To deceive people into revealing private and confidential information

• 
  To evaluate system vulnerabilities

What is social engineering?

• The exploitation of vulnerabilities in a computer system to gain unauthorised access

• An activity used to deliberately disrupt services

• 
  The techniques used to deceive people into revealing private and confidential information

• The use of malicious software to cause damage to a computer system

What is phishing?

• The exploitation of vulnerabilities in a computer system to gain unauthorised access

• An activity used to deliberately disrupt services

• The techniques used to deceive people into revealing private and confidential information

• 
  The use of malicious software to cause damage to a computer system