Risks including viruses, identity theft and DOS attacks threaten our electronic devices and the data that they store.
How would you know if your computer system was infected with a virus?
Your computer system could start to run slowly and turn itself off unexpectedly
Your computer system has completely run out of backing storage
Your computer system has corrupt files
What are ways that your computer system can become infected by a virus?
You receive an email from an account which you suspect is a phishing scam
You access a website which has recently suffered a DOS attack
You could download files from attachments in emails containing viruses
How do viruses spread once they are installed on a system?
They attach to a file, create a copy of themselves and this copy attaches to another file and so on
They wait for a specific time or date and then attack one specific file only
The user has to agree to a virus spreading, once they agree, the virus attacks
Which type of malicious software pretends to be a harmless file that lies dormant while secretly storing harmful code?
Which of the following describes a ‘worm’?
Code that must attach to a file before copying itself and spreading by attaching to another file
Code that copies itself and spreads across a network as quickly as possible
A file that hides malicious code as what appears to be a legitimate file