5.3. Cyber security
A subsection of Computer Science, 2210, through 5. The internet and its uses
Listing 10 of 32 questions
Millions of emails are sent between users on a daily basis. Identify two online security attacks that can be carried out using email. Describe how email is used to enable the attack. Online security attack 1 Description Online security attack 2 Description Online security attacks can maliciously damage data. One security method to keep data safe from online attacks is a firewall. Identify two other security methods that keep data safe from online attacks. Security method 1 Security method 2 Data can also be damaged accidentally. One example of how data can be damaged accidentally is by shutting down a computer before saving data. To prevent this from happening, a user should make sure they have saved all data before shutting down a computer. Complete the table by giving three other examples of how data can be damaged accidentally. Give a method of prevention for each example. Example Method of prevention
2210_s22_qp_12
THEORY
2022
Paper 1, Variant 2
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A manager at a company is concerned about a brute‑force attack on its employee user accounts. Describe how a brute‑force attack can be used to gain access to the employee user accounts. One possible aim for carrying out a brute‑force attack is to install malware onto the company network. State two other aims for carrying out a brute‑force attack to gain access to the employee user accounts. Identify three types of malware that could be installed. Give two security solutions that could be used to help prevent a brute‑force attack being successful.
2210_s23_qp_11
THEORY
2023
Paper 1, Variant 1
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Computer ethics involves a number of different topics. A student made the following statement on an examination paper: “It allows a user to have the freedom to run, copy, change and adapt the software and then pass it on to a colleague, friend or family member.” Identify which computer term the student was describing. Explain what is meant by computer ethics. The four statements below refer to firewalls and proxy servers. Study each statement. Tick (9) the appropriate columnto indicate whether the statement refers to a firewall and/or a proxy server. Statement Firewall Proxy server Speeds up access of information from a web server by using a cache Filters all Internet traffic coming into and out from a user’s computer, intranet or private network Helps to prevent malware, including viruses, from entering a user’s computer Keeps a list of undesirable websites and IP addresses Explain three ways of preventing accidental loss or corruption of data.
2210_w15_qp_13
THEORY
2015
Paper 1, Variant 3
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Name each of the potential security issues described in the five statements below: Statement Security issue The act of gaining unauthorised access to a computer system Program code that can replicate itself with the intention of deleting or corrupting files stored in a computer A small file sent by a web server to a web browser; every time the user visits the website, data about user preferences is collected The act of illegally changing the source code of a program so that it can be exploited for another use Malicious code installed on a user’s hard drive or a web server which redirects the user to a fake website without their knowledge
2210_w16_qp_13
THEORY
2016
Paper 1, Variant 3
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The Henslows Diner is a local restaurant. Staff currently use a keyboard to input a customer food order into a computer. The food order is then sent to the kitchen. State two disadvantages of using a keyboard to input a customer food order. A concept keyboard has a flat surface that is overlaid with images of food items available from the restaurant menu. Staff can click on an image to add the food item to a customer food order. The Henslows Diner wants to change to a concept keyboard to input customer food orders. Explain two benefits of making this change. The Henslows Diner stores personal data on a computer. This computer is connected to the Internet to allow the data to be backed up. There is currently one security method in place to protect the data on the computer from unauthorised access. This is a password. Give two other security methods that could be added to improve the security of the data. Describe how each method will keep the data safe. Security method 1 Description Security method 2 Description
2210_w16_qp_13
THEORY
2016
Paper 1, Variant 3
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Questions Discovered
32