Topic A

26問 • 10ヶ月前

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Although Internet led to many benefits, it also poses a greater potential for security threats, below are a number of common Internet security issues:

— hacker — malware — spyware — computer virus — trojan horse — worm — phishing

Refers to a person who can gain unauthorized access to (break into) a computer or a network to commit crimes

hacker

Malware short for

malicious software

A software that is designed to damage, disrupt, or infect computers

malware

A single term that refers to all the different types of threats to your computer safety such as virus, Trojan horse, worm, spyware

malware

It can gain unauthorized access to a computer and continuously run in the background without the owner’s knowledge

malware

A specific type of malware that is designed to replicate (copy) and spread from one computer to another

computer virus

A ______ can make a copy of itself over and over again

virus

A ______ can spread from one computer to another through email attachments, removable storage devices, networks

virus

A ______ can damage your computer by corrupting system files, sending spam, stealing data andpersonal information from your computer, destroying data, deleting everything on your hard drive

virus

A type of malware that looks harmless but can cause harm to a computer system

trojan horse

A ______ misleads users of its true intent

trojan

A ______ may claim to get rid of your computer viruses but instead introduce viruses onto your computer

trojan

A ______ can take the form of innocent-looking email attachments and downloads

trojan

It is similar to a virus (a sub-class of a virus)

worm

It is designed to quickly self-replicate and spread copies of itself from one computer to another

worm

A ______ only spreads when a user opens an affected file whereas a ______ spreads without the use of a host file

— virus — worm

A scammer uses deceptive emails or websites and tries to obtain valuable personal information

phishing

A common online scam used by cyber criminals

phishing

A scammer may use a deceptive email or website appearing to represent a legitimate firm

phishing

A ______ can record a user’s Web browsing habits, email messages, keystrokes on online advertisements, personal information, and forward it to a third party

spyware

A software that secretly monitors (spies) user’s online behaviour and gets sensitive information about a person or organization without the user’s knowledge

spyware

Advertisers can use ______ to target specific advertisements to your tastes

spyware

Criminal organizations can use ______ to collect financial information

spyware

To prevent malware from affecting your computer:

— back up files and store in different locations — don’t open suspicious mails or websites — the “@“ should represent a real company — don’t download suspicious files — use a secure and strong password — scan your devices with anti virus regularly

Some free antivirus software:

EM Waves and Spectrum

John Marabiles · 73問 · 1年前

EM Waves and Spectrum