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WorksheetsComputer Safety and Security - 2
Total questions: 65
Worksheet time: 25mins
A phishing email is one which:
requests a payment for goods you have not received
offers you products in which you may have no interest
encourages you to click on a link to a fraudulent website
contains abusive and threatening language
Gaining unauthorised access to someone else’s computer files is known as:
copyright infringement
hacking
virus attack
data theft
You can protect yourself against spam or fraudulent emails by:
using a spam filter
never clicking on links that you are suspicious of
being aware of different types of fraudulent email
all of the above
You can protect your files from unauthorised access by:
only allowing your friends and family to know your passwords
making frequent backups
choosing a strong password and changing it regularly
never using computers in a public place such as a library
A computer virus is a small program which:
will destroy your computer hardware
you may unintentionally transmit to other computers and infect them
can only be transmitted via email
cannot be removed from your computer
Whats encryption?
Passing text thorough a maths algorithm to scramble text
Changing the letters by a set number (Caesar Cipher)
Changing to ASCII code
Converting text to hex
How do you make a login secure? (Multiple choice)
A combination capital letter, number and symbols/special charatcters
Using a phrase like "iloveManU"
Enabling 2 factor authentication
using password as a password
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
Which of the following passwords meet password requirements?
p455w0rd1
!@#$%^&*
akHGksmLN
uP1b@!Si7p
The mouse on your computer screen starts to move around on its own and click on things on your desktop. What do you do?
Turn your computer off
Disconnect your computer from the network
Unplug your mouse
Run anti-virus
All of the above
A cyber crime in which a target or targets are contacted by email, telephone or text message by someone posing as a legitimate institution to lure individuals into providing sensitive data such as personally identifiable information, banking and credit card details, and passwords.
Cyber criminal
Phishing
Attack password
Online predator
What are the motives behind cyber crime?
Demanding ransom
Propagating religious or political beliefs
Financial loss to the target
Information thefts and manipulating data
All of the above
Individuals with wide range of skills motivated by religious or political beliefs to create fear by large- scale disruption of computer networks
State sponsored hacker
Hactivist
Cyber terrorist
Black hat hacker
Which of the following statements is NOT true:
Bots are tiny programs which travel across the internet
Bots can take over other devices as part of a DDOS attack
All bots are bad and are used for harmful reasons
Some bots perform helpful tasks (i.e. like providing chatbot services)
Which of the following is True about Ransomware
Software used to protect your computer or mobile device from harmful viruses.
Software that infects computer networks and mobile devices to hold your data hostage until you send the attackers money.
Computer equipment that criminals steal from you and won’t return until you pay them.
A form of cryptocurrency.
Which of these best describes how criminals start ransomware attacks?
Sending a scam email with links or attachments that put your data and network at risk.
Getting into your server through vulnerabilities and installing malware.
Using infected websites that automatically download malicious software to your computer or mobile device.
All of the above
How does malware get onto your computer?
Email attachments or links
By visiting dodgy websites
On USB sticks
All of the above
Special types of viruses that can travel from computer to computer without human action; self-replicating and can multiply until it uses up the computer's resources
Spyware
Worms
Trojans
Phishing
Why should you be careful about what you open and download on the internet?
It could be something inappropriate.
It could have a virus that harms your computer.
It could steal information from your computer.
All of the above.
What is DDoSing?
A computer attack that uses a number of hosts to overwhelm a server, causing a complete system crash.
A virus that can cause a loss of important files
A program that hides in a computer and allows someone to take control of someone computer from a different location.
A piece of code that is made, which allows the user to get back into system that has been hacked
Who is a cyber-terrorist?
Someone who blackmail an organization if they are not paid the requested amount money.
Someone who uses the internet to conduct violence acts that result loss of life, invasion of privacy, or bodily harm to achieve political or ideological gains through threat or intimidation.
Deceiving individuals to gain private or personal information about that person.
Someone who uses a copy of software illegally
The use of technology to attack a nation, causing comparable harm is cyberwarfare.
True
False
What is cloud computing?
Storing files on the Internet
Running programs on a remote server
Running an operating system
All of the above
What is a possible risk of cloud computing?
Lack of Access to Data
Full control over the data
Storage of data without control over the location of where the data is stored
Lack of the ability to back up data
Which of these is an example of cloud storage?
Google Drive
Microsoft Azure
iCloud
All of the above
Which of these is not an example of cloud computing?
Google Drive
Office 365
Google Docs
OneDrive
What is the primary purpose of performing an offsite backup or storing backups in an offsite location?
Valuable data is protected in case of a disaster.
There will be no disruption of service in case of a disaster.
Backups should be stored away from computers because of the magnetic fields generated by computers.
It prevents mixing up of backed up data.
Give one example for biometric authentication method
Pattern lock
Iris scan
Double entry verification
OTP
Attempt to break a password by trying all possible words.
Packet Sniffer
Key Loggers
Dictionary Attack
Password Cracker
Software or hardware which records all key strokes on a computer system.
Packet Sniffer
Key Loggers
Dictionary Attack
Password Cracker
Establishing a user's identity
Security
Authentication
Measurements taken from a biometric sample
Biometric Enrolment
Biometric Sample
Biometric Template
Biometrics
The process of registering a user for a biometric system by taking an initial sample
Biometric Enrolment
Biometric Sample
Biometric Template
Biometrics
Also called cracking, refers to gaining unauthorized access to computer systems
Encrypting
Zombie Attack
Hacking
Identity Theft
A method of bypassing security in a system, built in by the system designers
Cracking
Ciphering
Round About
Backdoor
Phishing attacks committed using text messages (SMS).
Pharming
Smishing
Denial of Service
Encryption
Technique used by criminals to alter DNS records and drive users to fake sites, to committing phishing.
Pharming
Biometrics
Denial of Service
Encryption
Technique used by spammers to detect if an email address is valid or not.
Trojan Horse
Smishing
Web Bug
Encryption
Computer which has been compromised by malware and is part of a botnet.
Trojan Horse
Smishing
Web Bug
Zombie
What is the most common type of biometrics device in the enterprise?
Lie detectors that measure pulse rate
Fingerprint scanners and readers
Iris and retinal scanners
Voice and face recognition scanners
The ability to fool a biometric sensor into recognizing an illegitimate user as a legitimate user (verification) or into misidentifying someone who is in the database.
Faceprint
Spoofing
Identity
Mimic
How are fingerprints measured?
the patterns in friction ridges
the size
by taking pieces of the skin
DNA that is left
What does this padlock sign mean in the address bar of your browser?
The site is secure and data is transmitted using SSL
There is a padlock available for purchase
The website does not include "safety locks"
The page is locked down for some odd reason
Information that is readable without performing any cryptographic operations.
cryptography
plaintext
encryption
decryption
