Network Security

Network Security

1. Passive Attack

   • Where someone monitors data traveling on a network and intercepts any sensitive information.
     • Encrypt the data that you are sending to make it useless to the attacker

2. Active attack

   • When someone attacks a network with malware or other planned attacks

3. Brute force attack

   • A type of active attack used to gain information by cracking passwords through trial and error
     • Make high combination on your password.

4. Insider attack

   • When someone within an organisation exploits their network access to steel information
     • Use user access levels to secure the organisation so people don't get access to important files.

5. Ransomware

   • A type of malware that uses encryption to lock a user out of their files.

6. Spyware

   • Secretly monitors user actions, e.g. Key pressing sends the hacker what you typed
     • Use anti-malware to find spyware before it effects you computer.

7. Phishing

   • When someone sends emails or texts to someone claiming to be a well known business
     • Look at the URL and if there is no green padlock it is not secure.

8. Scareware

   • It tells the user their computer ids infected with loads of viruses to scare them into following malicious links

9. Viruses,worms, zombies & trojans

   • Malware
     • Viruses attach to certain files. Users spread the virus by copying the files with the virus .
     • Worms are like viruses but they self-replicate without any user interaction.
     • Trojans are malware disguised as legitimate software. Unlike viruses and worms, Trojans don't replicate themselves.

10. DDOS

    • An attack in which a multitude of compromised systems attack a single target, thereby causing a DDoS for users of the targeted system.
      • Change IP address to save your files.