Network Security Threats Quiz

What are the potential effects of malware on a computer?

• Files may be deleted or corrupted

• Computers may crash or slow down

• Keys pressed on the keyboard may be recorded

• All of the above

What can a hacker do if they successfully phish someone?

• Withdraw money or make purchases

• Open new bank or credit card accounts

• Access high-value corporate data

• All of the above

What are the consequences of a brute-force attack?

• Potential data theft and access to sensitive information

• Loss of revenue due to server downtime

• Productivity loss for the workforce

• All of the above

What can happen during a denial-of-service attack?

• Loss of revenue and profits

• Productivity loss for the workforce

• Reputation damage to the company

• All of the above

How can data interception lead to unauthorized access?

• Compromising usernames and passwords

• Listening to data transferred on the network

• Accessing systems in a legitimate way

• All of the above

What can be achieved through SQL injection hacks?

• Outputting hidden data from the database

• Amending or deleting database contents

• Adding rogue records and entries to the database

• All of the above

What are some examples of system vulnerabilities caused by people?

• Not installing operating system updates

• Not keeping anti-malware software up-to-date

• Leaving printouts with sensitive information

• All of the above

What is a common security mistake related to wireless networks?

• Not applying security to wireless networks

• Not encrypting data on wireless networks

• Sharing passwords with colleagues

• All of the above

What are the potential impacts of a phishing attack?

• Unauthorized access to sensitive data

• Financial loss for the individual or organization

• Damage to the reputation of the company

• All of the above

What are some common types of malware?

• Virus

• Worm

• Trojan horse

• All of the above