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WorksheetsLevel 3 Computer Science - IT Security (Threats)
Total questions: 15
Worksheet time: 9mins
Name
Class
Date
1.
Unsafe IT practice by an employee is an example of what type of security threat?
a)
Internal
b)
External
c)
Physical
2.
If IT equipment is damage intentionally or accidentally is an example of what type of security threat?
a)
Internal
b)
External
c)
Physical
3.
If you throw documents with personal information on them away without shredding them you are at risk of what?
a)
Shoulder surfing
b)
Dumpster diving
c)
Trojan horse
d)
Viruses
4.
What is malware?
a)
Software that has helpful content and has a positive effect on a computer.
b)
Software your computer needs to run efficiently.
c)
Software that most people will use in their day to day lives.
d)
Software that has malicious intent and has a negative effect on a computer.
5.
What is social engineering?
a)
Using malicious software designed to block access to a computer system until a sum of money is paid.
b)
The use of deception to manipulate individuals into divulging confidential or personal information that may be used for fraudulent purposes.
6.
What is one of the main motivations behind external security threats?
a)
Recognition
b)
Highlight the system's weak areas
c)
Financial gain
d)
Fun/Enjoyement
7.
Ransomware is an example of what type of security threat?
a)
Internal
b)
External
c)
Physical
8.
An attack in which the goal is to pretend to be someone else.
a)
Spoofing
b)
Logic Bomb
c)
Pharming
d)
Black Hat
9.
A malicious code that sits dormant until triggered by an event, such as a date.
a)
Spoofing
b)
Logic Bomb
c)
Pharming
d)
Black Hat
10.
Use of password cracking software to attempt every possible password combination.
a)
Spoofing
b)
Brute Force Attack
c)
Dumpster Diving
d)
Dictionary Attack
11.
This software is designed to disrupt the functioning of the computer, gain unauthorised access and gather information without the users knowledge - what is it?
a)
Applications sofware
b)
Systems software
c)
Malicious software
d)
Utility software
12.
How does a virus infect a computer and how is it malicious?
a)
It is disguised as something legitimate like a computer game. Once inside it can log key strokes, record passwords and can allow someone to remote access your computer.
b)
Software that usually infects a computer system via email attachments or being attached to files on memory sticks. It requires human help to infect a computer. It can corrupt/delete files and slow your pc down.
13.
What is meant by the term spyware?
a)
A type of spyware that causes adverts to pop-up on your screen. Some can be inappropriate. They waste your time and distract you from what you are doing.
b)
Malware that you may have received in an email. This can change the IP address of a domain name entered to a bogus one.
c)
Software similar to a 'Trojan' as it spies on what you are doing and passes this information back across the internet.
d)
Fraudsters sending emails pretending to be banks etc... recognised by : careless use of language, urgency, false links and attachments.
14.
What precautions can you take against spyware?
a)
Install anti-spyware software, regularly update it, scan and delete spyware. Avoid opening emails and attachments from unknown sources.
b)
Don't select clickable advertisements and be careful when downloading software programs to your computer. Use anti-virus software which has ant-spyware software within it to remove.
15.
What is meant by SQL injection?
a)
New programs are tested for security faults.The day a security flaw is found is called 'zero day'. There is a race between hackers and company to exploit and fix.
b)
Criminals use packet analysers or 'packet sniffers' to intercept data traffic. Criminals try and steal logins, passwords, credit card numbers.
c)
Websites use databases to store user details.User enters username and password - this is checked against SQL database.Criminals
d)
General attack on network - no specialist knowledge. Done by trial and error to obtain login names and passwords to allow hacker to access network. Success is based on computer power and number of combinations tried.
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