Q06-1-Malicious Software

What is the primary purpose of malicious software (malware)?

• To enhance computer performance

• To protect against viruses

• To compropise, damage, or gain unauthorized access to computer systems

• To improve internet speed

Which of the following is a common type of malware that encrypts files and demands payment for their release?

• Spyware

• Ransomware

• Adware

• Worm

How dows a Trojan horse typically operate?

• By replicating itself and spreading to other systems

• By encrypting files and demanding a ransom

• By disguising itself as legitimate software while carrying out malicious activities

• By slowing down computer performance

What is the purpose of a keylogger?

• To track and record keystrokes on a computer

• To enhance internet speed

• To prevent malware infections

• To improve file storage efficiency

Which of the following is a proactive measure to protect against malware?

• Regularly updating software and operating systems

• Opening email attachments from unknown sources

• Disabling firewalls

• Sharing passwords with colleagues

What is the term for a program that spreads from one computer to another by attaching itself to other files or programs?

• Virus

• Worm

• Spyware

• Adware

What is the term for a network of computers infected with malware and controlled by a single entity for malicious purposes?

• Botnet

• Firewall

• Encryption network

• Spy network

What is a "zero-day" vulnerability in the context of malware?

• A software bug that occurs once every 24 hours

• A security flaw that is exploited before the software developer releases a patch

• A type of antivirus software

• A virus that spreads rapidly within a day