Understanding Computer Viruses and Internet Security

What is the primary purpose of a computer virus?

• To enhance computer performance

• To secure personal data

• To damage and spread to other computers

• To clean the computer from other viruses

What programming feature did the Melissa virus exploit to spread?

• Macros in Word documents

• System vulnerabilities

• Email attachments

• Antivirus software loopholes

How did the ILOVEYOU virus primarily spread among computers?

• Through compromised websites

• Via email attachments

• Through infected USB drives

• By exploiting network vulnerabilities

What common theme aids the spread of many viruses according to the video?

• Poor password habits

• Outdated hardware

• Lack of antivirus software

• Social engineering tactics

What was a significant consequence of the Slammer worm attack?

• It encrypted files for ransom

• It stole financial data

• It caused widespread internet outages

• It corrupted operating systems

What type of virus was Slammer classified as?

• SQL worm

• Email worm

• Trojan horse

• Macro virus

What was the primary function of the Storm Worm virus?

• To delete data

• To display advertisements

• To create a bot-net

• To steal passwords directly

How did Mebroot virus gain control over a computer?

• By encrypting files

• By modifying the Master Boot Record

• By deleting system files

• By overloading the CPU

What technique did Torpig use to gather sensitive information?

• Phishing emails

• Man-in-the-Browser

• Screen capturing

• Keylogging

Why is it crucial to keep software and systems updated?

• To increase processing speed

• To fix bugs and close security vulnerabilities

• To maintain compatibility with new hardware

• To improve user interface