network security threats

network security threats

1. brute force attack

   • gaining unauthorised access to a network by using a computer program to try all possible password combinations until the correct password is found.

2. DDoS

   • when the requests come from many sources so you cannot just block a single IP adress.

3. virus

4. phishing

5. worm

   • spread like viruses but do not require human intervention. they attach themselves to network tools to spread automatically around a network very quickly.

6. trojan horse

   • gains access to a computer by pretending to be legitimate software the trojan allows unauthorised backdoor access to a computer without user being aware.

7. spyware

   • records the activity on your computer such as keystrokes there by logging your passwords for instance and then sending the data back over the network to the attack instigator. Spyware can also be used to control your webcam and microphone.