Threats to computer systems and networks

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Which term describes harmful software that is installed on a computer to steal, damage or lock data, or to take control of the system?: Malware
What is meant by 'social engineering'?: Tricking people into giving away passwords or money, because people are the weak point in a system
Which term describes guessing passwords by using software to try many different combinations until one is accepted?: Brute-force attack
What is meant by a 'denial of service attack'?: Flooding a server with so much traffic that genuine users can no longer use the service
Which term describes entering code into a web form so that data in a database can be read, changed or deleted without permission?: SQL injection
What is meant by 'data interception and theft'?: Capturing data as it is sent across a network, or stealing the device holding it, to steal the data
What is meant by a form of attack on a computer system?: A method used by a criminal to harm a system or its data
A criminal captures a shopper's card details as they are sent across a public Wi-Fi network. Which form of attack is this?: A data interception attack
An email claims to come from a bank and asks the customer to sign in using a link. Which form of attack is this?: A phishing attack
Software repeatedly tries different passwords on one account until it finds the correct one. Which form of attack is this?: A brute-force attack
Why might an attacker use a phishing email to deliver malware?: The email persuades the user to open the harmful attachment
Which of these is a threat posed by a criminal attack on a computer system?: Data may be stolen, changed or deleted
A user opens a file from a USB drive and every document on the computer becomes locked. Which form of attack is this?: Malware
A website stops responding because it is flooded with requests from an attacker. Which form of attack is this?: A denial of service attack
An attacker types code into a website's login box and is logged in without a password. Which form of attack is this?: SQL injection
A criminal steals personal data from a company's systems. Besides the data being stolen, which threat does this attack pose to the company?: It may be fined for failing to protect the data
Why might a criminal attack a company's customer database?: It holds personal and bank details that can be misused
A criminal breaks into an office and steals a laptop that holds customer records. Which form of attack is this?: Data interception and theft

Threats to computer systems and networks

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