Network Security Threats

Network Security Threats

1. DDos

   • When the requests comes from many sources so you cannot just block a single IP address.

2. Virus

   • insert themselves in normal programs. Viruses can replicate themselves and transfer from one computer to another. They are are activated by a user often as email attachment to other files and programs.

3. Phishing

4. Worm

   • Spread like viruses but do not require human intervention. They attach themseleves to network tools to spread automatically around a netwook very quickly

5. Trojan Horse

   • Gains access to a computer by pretending to be legitimate software. The trojan allows unauthorised backdoor access to a computer without the user

6. Spyware

   • Records the activity on your computer such as your keystrokes,thereby logging your password 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

7. Brute Force Attack

   • Gaining unauthorised access to a network by using a computer program to try all possible password combinations until the correct password in found