1.4 Threats Posed to Networks

What can malware do to a computer?

• Make the computer run faster

• Improve internet connectivity

• Delete or corrupt files

• Enhance system security

What is a common symptom of a computer infected by a worm?

• Improved system performance

• Faster boot times

• Slow internet connection

• Increased battery life

What can hackers do with the information obtained from phishing?

• Withdraw money or purchase merchandise

• Improve network security

• Enhance user experience

• Donate to charity

What is the goal of a brute-force attack?

• To improve system efficiency

• To access corporate systems

• To test network speed

• To strengthen password security

What is the average cost of server downtime per minute, according to industry surveys?

• Over 10,000 pounds

• Over 4,000 pounds

• Over 1,000 pounds

• Over 100 pounds

What can result from a denial-of-service attack?

• Increased website traffic

• Revenue loss

• Faster server response

• Improved customer satisfaction

What does data interception compromise?

• Users and passwords

• Internet speed

• Malware efficiency

• Hackers' anonymity

What can SQL injection hacks lead to?

• Database optimization

• Faster data retrieval

• Data being output or amended

• Increased database security

What is a common cause of system vulnerabilities?

• Too much security

• Overuse of encryption

• Frequent system updates

• Carelessness by people

What is NOT a recommended practice for maintaining network security?

• Writing passwords on sticky notes

• Encrypting data

• Applying security to wireless networks

• Installing operating system updates