Security Aspects

Topics in this chapter

• Malware and Endpoint Threats
• Authentication and Access Control
• Cryptography and Data Protection
• Web, Email and Application Security
• Privacy and Social Engineering
• Network Security and Availability
• Responsible Cybersecurity Practices

Cheat sheet

Practice questions

1. Question 1Q-27AA65

   A user receives an email that appears to be from a bank and asks for their password through a linked website. What type of cyber threat is this?

   1. A.Phishing
   2. B.Defragmentation
   3. C.Data compression
   4. D.Firewall configuration
   See the answer and solution
2. Question 2Q-D2FEE5

   A student receives an unexpected email attachment named Annual_Report.xlsm from an unknown sender. The email asks the student to enable macros before viewing it. What is the safest action?

   1. A.Enable macros and open the file immediately
   2. B.Forward the attachment to classmates
   3. C.Avoid opening it, verify the sender independently, and report or delete the email
   4. D.Rename the file extension and then open it
   See the answer and solution
3. Question 3Q-A1E757

   Differentiate between authentication and authorization in computer security. Give one suitable example of each.

   See the answer and solution
4. Question 4Q-F69B80

   What is the primary function of a firewall in a computer network?

   1. A.To create backup copies of all files
   2. B.To monitor and control network traffic according to security rules
   3. C.To increase the storage capacity of a computer
   4. D.To convert plaintext into a programming language
   See the answer and solution
5. Question 5Q-5B59D8

   Which statement correctly describes the purpose of a digital signature?

   1. A.It guarantees that the message contents are kept secret from everyone except the receiver
   2. B.It helps verify the sender's identity and detect whether the message was altered
   3. C.It automatically removes all malware from the receiver's computer
   4. D.It prevents the sender from accessing the message after sending it
   See the answer and solution