Computer Science Revision

Computer Science Revision

1. Three threats:

   • Social engineering
   • malicious code
   • Human error

2. Important risks

   • Its important to know all the risks so that people know which are safe and which aren't.

3. A virus is a piece of malware that infects a computer, and then replicates itself to be passed onto another computer.

4. Adware is software that either causes pop-ups or windows that will not close. Generally, the pop-ups or windows display advertisements.

5. Keeping passwords safe is important, especially when the password allows access to sensitive or valuable information. Some password systems help to keep passwords safe by only asking for certain characters of a password instead of the whole thing. This helps to prevent spyware like keyloggers from stealing passwords.

6. When a person signs up for a new account. They often receive an email asking them to confirm that they asked for the account to be created by clicking a specific link.