ICT threats

How does a computer virus infect a pc?

• Email attachments
• Attached to files on memory sticks
• Suspicious web links
• All of the above

What can a virus do to your computer?

• Delete files
• Cause inappropriate adverts to appear
• Spy on what you are doing
• Steal your infotrmation

How can you protect your computer against viruses?

• Put a lock on it.
• Install an anti-virus package, scan and delete files and update it.

How does a worm infect a computer?

• E-mail attachments
• Through security loopholes, your computer is not up to date
• Suspicious web links
• On memory sticks

How does a worm infect a computer?

• E-mail attachments
• Through security loopholes, your computer is not up to date
• Suspicious web links
• On memory sticks

How can you protect your computer against worms?

• Install anti-virus software and regularly update it.
• Update your operating system regularly.

What is the difference between a virus and a worm?

• A virus needs human intervention, a worm doesn't
• A virus deletes files, whereas a worm doesn't.

What is adware?

• Causes adverts to appear
• Deletes files

How is adware malicious?

• Deletes files.
• Inappropriate and wastes your time/
• Slows your pc down.
• Spies on you, collecting your information

How can a trojan infect your pc?

• On memory sticks.
• Through email attachments.
• By being disguised as legitimate software.
• Dodgy web links