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What is a virus?
Is a malicious software that spreads through a computer system causing damage to the software.
Name an example of a virus.
Worm and Trojan horse are 2 examples of a virus.
What is Worm Virus?
Can replicate itself and spread from system to system by finding a weakness in the software.
It can spread quickly
Does not require human interaction to first start spreading
Name 2 qualities of a Worm Virus.
1)Can spread quickly
2) It does not require human interaction to start spreading
What is a Trojan Horse Virus?
Is a harmful program that looks legitimate so users are tricked into installing it .
Does not self replicate of infect other files
Give attackers access to your entire computer system
Name 2 qualities of a Trojan Horse Virus
1) Does not self replicate or infect other files
2) Give attackers access to entire system
What is malware?
Is a harmful program that seeks damage or unauthorised access to your computer system
Name 3 examples of malware.
Spyware, Keyloggers and Ransomware
What is Spyware?
Secretly records the activities of a user on a computer.
Steals passwords, credit cards information and usernames
All info is secretly passed to the hacker
Name 2 qualities of Spyware
1) Steals passwords, credit cards information and usernames
2) All info is secretly passed to the hacker
What is a key logger?
Secretly records every keystroke made by a user on a computer .
Records passwords , usernames and credit card information.
Can be downloaded or plugged into a USB port
Name 2 qualities of a Key logger.
1) Records passwords , usernames and credit card information.
2) Can be downloaded or plugged into a USB port
What is ransomware?
Locks files on a computer system using encryption so a user can no longer access it . Attacks will usually ask for a sum of money to give access back to a computer system.
