Riviosn_internet threats & computer system

Mona is the data security manager for a governmental organisation. One her desired goals of security is to ensure that the data can be accessed only by those who are allowed to see it. This is known as data ____________.

• confidentiality

• integrity

• availability

• publicity

Salem opened an email attachment, but immediately after opening it, his computer froze, and all his files were encrypted. A few minutes later, a message appeared on the screen demanding that he pay 20,000 AED to remove the encryption!

What is the name of this cyberattack

• Trojan horse

• Scareware

• Denial of Service (DOS)

• Ransomware

Lamia is working as a web developer in a company. The server of her company’s website started receiving too many requests that it could not handle. This led to service interruption, and the website is not working any more.

This type of attack is known as a ______________ attack.

• brute-force

• rootkit

• Denial of Service (DOS)

• backdoor

Which one of the below passwords is the most secure against password cracking attacks?

• Password

• P@55Word12!

• PassWord12

• WoRd5pas$_x_&&

Which one of the below passwords is the least usable for Amna for the user to enter on a mobile phone?

• Password

• MyPasswordConsistsOf50CharactersAnd8CapitalLetters

• P@ssword123

• Amna@2008

Ahmad is trying to set a new password for his online bank account. He knows that the more complex the password is, it will be _________ secure against a password cracking attack, but that it will be the _____________ usable.

• less, least

• less, most

• more, least

• more, most

Look at the image concerning the levels of abstraction of how a computer works. Level C is known as the __________ domain of abstraction.

• software

• digital

• analogue

• structure

Within the layers of abstraction in the software domain, _________________ interface with the hardware.

• applications

• programming languages

• libraries

• operating systems

Alia opened a file that was on her USB drive at work. Immediately her computer slowed and did not function as expected. Shortly afterwards a number of work colleagues on the same network noticed their computers slowing down and not working as normal. It seems like all the computers on the network reported the same thing.

What type of attack was used to infect all the computers in the work network?

• Adware

• Worms

• Social engineering

• On-path attack

Khaled has just been the victim of a password attack. He used the password ‘password’ for all his bank accounts and social media accounts.

By using the common used password ‘password’, the cybercriminal was able to gain access to Khaled’s account and many others by using the _________ technique. This technique tries the same common password across many usernames.

• brute-force

• rainbow

• password spraying

• dictionary