Network Security Threats And Cybercrime Flashcards
What is a Network?
A network is when two or more computers are connected, they make a computer network.
What are a networks for?
Communication- sending messages and email
Devices- printers ect.
Storage devices- stores and share files
Why do people commit Cybercrimes?
To make money
Cause trouble, attention/publicity, political reasons
What are threats to a network’s security?
-Malware
-Spyware
-Hacking
-Piracy
What is Malware?
Malware is software that harm your device
What words come from the word Malware?
‘Malicious’ and ‘software’
What are some types of malware?
Viruses- hides itself inside another file
Worm- copies itself to other computers across the network
Trojan- disguised as a good file
Rookit- Changes your OS so you cannot spot it
Backdoor- switches off security software to let malware through
Ransomeware- lock files. Criminals demand payment to unlock
What are the effects of Malware?
-Deletes files
-Alter computer settings
-Makes computer carry out unwanted actions
How does malware spread?
1) contained in files
2) hidden in software
What is spyware?
Spyware is a virus that cannot be seen
Who is spyware used by?
Criminals
What is Hacking?
Hacking is using someone else’s computer system without permission through a network’s connection
What does hackers break into computer system for?
-steal money
- credit card fraud
-steal sensitive information
-steal personal information
What is piracy?
Software piracy is the illegal act of copying and distribution of software and media
How can criminals make money from illegal copies of software?
Counterfeiting- copying and ssellinv software
Softlifting- buying one legal copy of software and installing on several machines
Hard-disking loading- selling computers with illegal software on it
Software rental- renting illegal software copies
