OCRComputer ScienceExam Board Revision

OCR Computer Science Cyber Security Revision Notes

Master OCR Computer Science Cyber Security using simple revision notes, key facts and practice questions — all generated by AI for your exam.

Cyber security involves protecting computer systems and networks from digital attacks, theft, and damage. It is essential for maintaining the confidentiality, integrity, and availability of data in an increasingly connected world.

Key Concepts

  • 1Understanding different types of cyber threats (malware, phishing, etc.)
  • 2Importance of firewalls and antivirus software
  • 3Role of encryption in protecting data
  • 4Best practices for creating strong passwords
  • 5Impact of social engineering on security

Simple Explanation

Cyber security is all about keeping computers and networks safe from bad people who want to steal or damage information. This includes using tools like firewalls and antivirus software, as well as following good habits like making strong passwords. By protecting our data, we help ensure that our personal and sensitive information stays safe.

Memory Trick

Remember 'C.I.A.' for Cyber Security: Confidentiality, Integrity, Availability.

Flashcards

Question1 / 5

What is malware?

Tap to reveal answer

Exam Questions

Describe and explain the importance of firewalls in cyber security. [6 marks]

6 marks
View mark scheme hint

Define what a firewall is, explain its function, and discuss its role in protecting networks.

Explain how phishing attacks can compromise personal information. [4 marks]

4 marks
View mark scheme hint

Describe what phishing is and provide examples of how it can lead to data theft.

What is meant by encryption in the context of data security? [2 marks]

2 marks
View mark scheme hint

Define encryption and explain its purpose in protecting data.

Practice Quiz

Question 1 of 5Score: 0

What is the primary goal of cyber security?

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