Network security threats

Network security threats

1. Spyware

   • Records the activity on your computer such as keystrokes, webcams and microphone. This could allow them access to any password you type etc.

2. Trojan horse

   • Gain access to computer by pretending to be legitimate software and allows them backdoor access to a computer without the user being aware.

3. Worm

   • The spread like ciruses but do not require human interaction. They attach onto network tools and spread automatically.

4. Phishing

   • Where people send emails pretending to be legitimate websites or organisations to get bank details and other sensitive personal details.

5. Virus

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

6. DDos

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

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 is found.

8. Forms of attack.

   • Passive
     • Data is monitored
   • Active
     • Data is modified
   • Inside
     • By someone within the organisation
   • Outside
     • By an external, illegitimate user