Network Security Threats

Network Security Threats

1. Brute Force Attack

   • To prevent this use a strong password with 8 characters including uppercase, lowercase, numbers and symbols, lock accounts after a certain number of attempts and use 2 step verification e.g a code sent to mobile phone to check identity.
   • A brute force attack is when software is used to try different combinations of passwords to gain unauthorised access to a computer system.

2. Worm

3. Trojan horse

4. Spyware

   • Spyware is when the hacker/intruder is recording the activity on your computer keystrokes, thereby logging your passwords. For example, they could send the data back over the network to the attack instigator. Another example, could be using spyware to control your webcam and microphone.
   • To prevent spyware use anti-spyware

5. Phishing

   • Phishing is normally a scam done by email or text. Victims are conned into believing they are being contacted by an authentic organisation. For example, this could be by there bank. This can give sensitive personal details (bank accounts andd passwords.
   • Its an example of social engineering. Social engineering is when the hacker/intruder manipulates the victim into performing actions or telling confidential information. E.g bank details.

6. Virus

7. DDoS

   • Distributed-Denial-of-Service Attack is when request come from many sources so you cannot just block a single IP address.
   • To prevent DDoS use a firewall to control which programs can send and receive data packets, so only authorised users can access .

8. Malware

   • To prevent this Run anti-malware software periodically and make sure that the anti-malware software is up to date, scan documents before opening them helps prevent malware.
   • Malware is a type of software that has been purposely made to damage, disrupt, or take control of computer systems.

9. Social engineering

   • To detect social engineering create user access levels, use an effective network policy, use biometric measures, use a website filter, ensuring users are aware of who is around them when they are typing in their password, ensuring users privacy settings on any social media are set to maximum so that attackers cannot find information about users e.g date of birth