Network security

Network security

1. Passive Attack

   • A passive attack is a network attack which a system is monitored and sometimes scanned for open ports and vulnerabilites. This is to gain infomation about the target and no data is changed.
     • To try and stop a passive attack they can be eliminated by having a encryption, so when they get into your account they wont get anything, or use a VPN (Virtual Private Network)

2. Insider attack

   • A insider attack is a malicious attack that uses a computer or network system by a person with unauthorised access.
     • You can protect your computer system by using a intrusion detection system(IDS) this can be a valuable tool to prevent and detect a insider attack.

3. DDOS attack

   • A DDOS attack is short for distributed denial of service. This is a type of a attack where multiple compromised systems which is usually affected by a trojan.
     • To try and stop this you can have trusted hardware or software that checks your system to make sure its all okay regularly

4. Spyware

   • Spyware is a software that enables a user to obtain private information about a activity on another computer, they secretly monitor everything you do and every key point you make
     • To try and stop this, dont click on links on a pop up window as this is to do with spyware, if you click on the link then you may be installing spyware on your computer.

5. Ransomware

   • A ransomware is a type of malicious software that is used to block access from a computer system until a sum of money is paid
     • You can try and stop this by getting a cybersecurity protection. You can also help by backing up your data on a regular basis. Update your software when a update comes out to help protect your system.

6. Active attack

   • A active attack is when a network is exploit which a hacker attempts to make changes from the data.
     • You can try and stop this by using a firewall, this can be prevented.

7. Brute Force attack

   • Brute force attack is a method that uses trail and errors to obtain infomation as a pin number for your debit card
     • You can try and stop a brute force attack by getting a code which after a number of tries disables your account for a few minutes.

8. Phishing

   • Phishing is receiving an email from a reputable company in order to get information such as passwords.
     • You can try and stop this by checking the URL and if it says HTTPS which shows its secure. If it just says HTTP then your data is not encrypted, so you should not type your personal details in

9. Scareware

   • Malicious programs designed to trick a user into downloading an unnecessary and dangerous software.
     • To try and stop you getting hacked you can use a trusted antivirus software to check through and look if the emails from a trusted source. If you leave the email your files will still be safe

10. Viruses, worms, zombies and trojans

    • A virus is a malicious software that when executed it replicated itself by modifing someone elses computer. A worm is a standalone malware computer program that replicated itself in order to spread to other computer. A zombie is a computer that is connected to the internet and that a hacker can get into. They can use malicious tasks using remote direction. A trojan is a type of malware that is dusgusted to be another business. They can be employed by theives and hackers tying to gain access into a system such as a bank account
      • You can try and stop this by getting an anti malware software and keep it up to date, this means every time a pop up comes up, always do the update. This is trying to secure you from new threats.