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WorksheetsMalicious Software
Total questions: 95
Worksheet time: 47mins
type of malicious software program (malware) that, when executed, replicates by reproducing itself (copying its own source code) or infecting other computer programs by modifying them.
Computer Virus
Computer Worm
MyDoom
Malicious Code
harmful computer code or web script designed to create system vulnerabilities leading to back doors, security breaches, information and data theft, and other potential damages to files and computing systems
Computer Virus
Computer Code
Computer Worm
Malicious Code
Standalone malware computer program that replicates itself in order to spread to other computers. Often, it uses a computer network to spread itself, relying on security failures on the target computer to access it.
Malicious Code
Computer Worm
Anti Virus Software
Computer Virus
Visiting infected websites or clicking on a bad email link or attachment are major gateways for malicious code to sneak its way into your system.
True
False
(Select all that apply)
Malicious Code involves which of the following:
Scripts, worms and viruses can harm your computer
Unauthorized remote access to the attacked system
Can activate itself and take on various forms
Which are common types of malware?
Adware
Ransomware
Key Logger
Mouse Hacker
Windows Breaker
Which of these are common methods that could be used to infect a computer with malware?
spam email
out of date firewall
Distributed denial of service
bookmarking a page
variable computer synchroniser
Which apply to phishing?
The art of catching aquatic animals with a rod
Using a malicious medium, disguised as a trustworthy source, to get users to reveal personal information
Physically threatening someone until they give up personal data
Personally hacking someone to get personal information
Usually an attack made via email
Which are ways that an operating system can increase system security?
Offering the use of password protection
Different levels of user access
Keeping software updated
Disk Defragmentation
The use of virtual memory
What are benefits of a firewall?
Blocks access to a network from unauthorised sources
Helps to prevent CPU overheating
Helps to protect confidential information on your computer
Avoids all viruses entering a system
Can give you reports on any threats to the system
Which of the following best describes a Trojan Horse
Malicious software that misleads users of its intent, which is to allow unauthorised access to your system
Malicious software that replicates itself and spreads through your network to steal data
Malicious software that it usually attached to an email and sends itself around a network to allow unauthorised access to your system
Malicious software that sets your computer on fire
Viruses, ___________ and Trojan horses are types of malicious programs.
Microsoft word
Operating Systems
Windows
Worms
Malicious programs can enter a computer through _______.
infected storage media
files downloaded from unauthorised websites
battery power
An infected computer may __________.
run faster than normal
fail to run (stops responding)
cause error messages to appear on the screen
explode and catch fire
__________ is a type of software installed on a computer to collect important information about the user without his knowledge.
Spam
Spyware
Virus
Trojan Horse
Which one of the following can be done to guard against malicious programs?
Install anti-virus software
Install anti-spyware software
Switch off firewall to let applications have access
Firewalls may be hardware or software. True or false?
True
False
Firewalls are used to block unauthorised access to your computer. True or false?
True
False
A _________ may be used as a hardware firewall to protect a network of computers.
keyboard
modem
router
antivirus software
McAfee is one of the brands of antivirus software available on the market. True or false?
True
False
A software firewall can be installed on individual computers. True or false?
True
False
Malicious programs are usually sent by people to _______.
corrupt data
control computer operations
cause the computer to hang
check whether the CPU is working
Malicious emails that are often sent to your account from unknown sources with unfavourable links and attachments are known as _________.
mail merge
inbox
spam
trojan horses
Why is there a need to regularly update the antivirus software that is already installed on your computer?
If it is not updated, it will automatically be uninstalled.
If it is not updated, the computer will crash and slow down.
If it is not updated, it will not be able to block or remove new forms of viruses.
If it is not updated, the company will sent a bill for payment.
It is advisable not to click on links in emails sent from unknown sources. True or false?
True
False
Some files and songs can be downloaded free from websites. But unknowingly, there might or can be a virus attached to it. True or false?
True
False
What is the purpose of a firewall?
To remove viruses from a system
To provide a secure password access system
To intercept and possibly block packets of data
To prevent programs being installed on a network
Which of the following is the most accurate definition of a virus?
A stand-alone program that replicates, doing damage to a system
Malicious code that spreads from device to device but does not need to attach itself to a program in order to do so
A program that pretends to be safe, while actually containing malicious code
software that installs itself onto devices and then steals personal information about the user, like passwords,
Which of the following is the most accurate definition of a worm?
A stand-alone program that replicates, doing damage to a system
Malicious code that spreads from device to device but does not need to attach itself to a program in order to do so
A program that pretends to be safe, while actually containing malicious code
software that installs itself onto devices and then steals personal information about the user, like passwords,
Which of the following is the most accurate definition of Spyware?
A stand-alone program that replicates, doing damage to a system
Malicious code that spreads from device to device but does not need to attach itself to a program in order to do so
A program that pretends to be safe, while actually containing malicious code
software that installs itself onto devices and then steals personal information about the user, like passwords,
Which of the following is the most accurate definition of a Trojan?
A stand-alone program that replicates, doing damage to a system
Malicious code that spreads from device to device but does not need to attach itself to a program in order to do so
A program that pretends to be safe, while actually containing malicious code
software that installs itself onto devices and then steals personal information about the user, like passwords,
TRUE or FALSE: Adware programs always contain malware
TRUE
FALSE
Which of these would NOT be an effective way of preventing SOCIAL ENGINEERING?
Shredding documents
Providing staff training
Installing up-to-date anti-virus software
Producing an-up-to date "safe usage" policy
How many of the following methods could be used to distribute a virus? (choose as many as you think are appropriate)
Via an attachment sent in an online/instant message
Through files on a memory stick / CD
Through a link in an email
Through a program downloaded from the internet
What is the term for computer programs that attack your computer?
Malware
DangerDroids
RudeBots
Dangerware
What is AntiVirus software?
Software that blocks all unwanted ads.
Software that keeps you from getting sick.
Software that protects your device from viruses and malware.
Standalone malware computer program that replicates itself in order to spread to other computers. Often, it uses a computer network to spread itself, relying on security failures on the target computer to access it.
Malicious Code
Computer Worm
Anti Virus Software
Computer Virus
Which are ways that an operating system can increase system security?
Offering the use of password protection
Different levels of user access
Keeping software updated
Disk Defragmentation
The use of virtual memory
What are benefits of a firewall?
Blocks access to a network from unauthorised sources
Helps to prevent CPU overheating
Helps to protect confidential information on your computer
Avoids all viruses entering a system
Can give you reports on any threats to the system
Which of the following best describes a Trojan Horse
Malicious software that misleads users of its intent, which is to allow unauthorised access to your system
Malicious software that replicates itself and spreads through your network to steal data
Malicious software that it usually attached to an email and sends itself around a network to allow unauthorised access to your system
Malicious software that sets your computer on fire
An Antivirus protects you from all attacks
True
False
A network security device that monitors incoming and outgoing network traffic and decides whether to allow or block specific traffic based on a defined set of security rules.
Anti-virus
Firewall
Encryption
Malware
unwanted email mostly from bots or advertisers.
SPAM
SCAM
MALWARE
a malicious program that is disguised as a useful program but once downloaded or installed, leaves your PC unprotected and allows hacker to get you information
Malware
Worm
Trojan
a program that runs in the background without you knowing it
Virus
Spyware
Keyloggers
a malicious program designed to replicate itself and transfer from one computer to another.
virus
worms
a program designed to send you advertisements, mostly as pop-ups
spyware
malware
adware
This internet threats are unwanted emails mostly from bots or advertisers.
(a)
A program designed to send you advertisements, mostly as pop-ups.
(a)
A malicious program that is disguised as a useful program but once downloaded or installed, leaves your PC unprotected and allows hacker to get you information.
(a)
A malicious program that transfers from one computer to another by any type of means.
(a)
which can be described as a form of virus that locks a computer, encrypting data until a ransom is paid.
Viruses
Worms
Ransomware
Trojans
which can be described as a form of malware that spreads through a network and use the system’s resources.
Viruses
Worms
Ransomware
Trojans
which can be described as a a piece of software that appears to perform a useful function (such as a game) but unbeknown to the user it also performs malicious actions.
Viruses
Worms
Ransomware
Trojans
which can be described as unwanted software that monitors and gathers information on a person and how they use their computer.
adware
spyware
Trojans
botnet
Select ALL the malware
Worm
Trojan Horse
WAN
Virus
A computer ****** is one type of malware (malicious software) which is installed without your knowledge, with the purpose of doing harm . A ******** is a program which infects (embeds itself in) other programs or data files. It is easily spread if a user innocently sends an infected file to someone else
Virus
Trojan Horse
WAN
Worm
•A ******* is a type of malware
•It is a standalone program that does need to attach itself to an existing program in order to spread
Virus
Trojan Horse
WAN
Worm
•may open a “back door” into your computer system through which your personal information can be harvested.
•It can also use your computer power and network bandwidth to send thousands of spam emails to others.
Virus
Trojan Horse
WAN
Worm
Phishing is
Sending legitimate-looking emails to encourage users to give out personal data
The editing of program source code so that it can be exploited or changed for a specific purpose
Playing fishing games on a PC professionally
Used to verify that data comes from a trusted source
Pharming is
Pieces of data which allow detection of web pages viewed by a user and store their preferences
A way of gaining illegal access to a computer system
Playing farming games on a PC semi-professionally
Malicious code installed to redirect users to a fake website
Spyware / key-logging software is
Software that gathers data by monitoring key presses on user's keyboards
A form of encryption requiring both a public and a private key
Malicious code installed to redirect users to a fake website
Secret type of software that only spies can use
1. What is Malware?
Types of Networks
Types of Software
Types of Hardware
Types of Social Media
2. Which of the following is a program or set of programs that are designed to prevent, search for, detect and remove software viruses, and other malicious software?
Antivirus
Malware
Software
Virus
4. Which of the following antivirus software stores documents in an encrypted folder?
Bitdefender
McAfee
Norton
Panda
After installing the antivirus program, it is highly recommended to buy it with the latest virus and spyware definitions.
True
False
Which of these best describe what adware does?
Viruses that are embedded in advertised products
Automatically displays advertisements to a user
Software that creates adverts
Adverts for viruses
What does a keylogger do?
Randomly generates passwords to hack into an account
A device the generates random sequences of keys to encrypt data
Software that assigns what character is assigned to keys on a keyboard
Records the keystrokes on a keyboard
Which three terms best describe how Antivirus software works?
Detection - Identification - Removal
Sequence - Evaluate - Improve
Design - Analyse - Create
Infect - Hide - Spread
Which three terms best describe how a firewall works?
Scan - Remove - Report
Search - Scan - Identify
Read - Prevent - Report
Monitor - Query - Prevent
What are the ways to prevent virus ?
Use weak Password
Use Strong and hard Password
Read Spam emails or messages
Never use Pendrive from trustworthy
Identify a type of malware ?
a) Caterpillar
b) worms
c) Lions
d) Four Horse
