Threats to data security
Click here to link to the OCR text book - Read pages 110 to 109 then complete the tasks below
24. Describe how a computer virus can spread.
25. Describe the difference between adware and spyware.
26. Identify where adware could be found.
27. Give one situation when spyware can be deliberately installed.
28. Define the term "hacker".
29. Describe how a DoS attack can affect an internet site.
30. Identify three activities carried out by online criminals.
31. What does the padlock symbol on a website mean?
32. Why should care be taken when recieving unsolicited emails?
33. What is the purpose of a firewall?
34. What is spam?
35. Explain how data encryption can be used to keep data secure.
36. State one advantage to the user of using the automatic update.
37. Identify two disadvantages of manually updating software.
Click here to download the activity sheet then complete it
Practice these Exam-type questions
1 The supermarket faces a number of threats by using the internet. Describe how phishing
and Trojans are a threat to the data held on the supermarket’s computer system. [4 marks]
2 The dentist needs to transfer confidential patient data by email. Describe how data encryption
could be used to ensure this data is transferred securely. [3 marks]
3 Describe two problems that could occur if the dentist manually updates their security software. [4 marks]
2 Describe one advantage to the supermarket of automatically updating their operating system software.
[2 marks]
24. Describe how a computer virus can spread.
25. Describe the difference between adware and spyware.
26. Identify where adware could be found.
27. Give one situation when spyware can be deliberately installed.
28. Define the term "hacker".
29. Describe how a DoS attack can affect an internet site.
30. Identify three activities carried out by online criminals.
31. What does the padlock symbol on a website mean?
32. Why should care be taken when recieving unsolicited emails?
33. What is the purpose of a firewall?
34. What is spam?
35. Explain how data encryption can be used to keep data secure.
36. State one advantage to the user of using the automatic update.
37. Identify two disadvantages of manually updating software.
Click here to download the activity sheet then complete it
Practice these Exam-type questions
1 The supermarket faces a number of threats by using the internet. Describe how phishing
and Trojans are a threat to the data held on the supermarket’s computer system. [4 marks]
2 The dentist needs to transfer confidential patient data by email. Describe how data encryption
could be used to ensure this data is transferred securely. [3 marks]
3 Describe two problems that could occur if the dentist manually updates their security software. [4 marks]
2 Describe one advantage to the supermarket of automatically updating their operating system software.
[2 marks]