Computer Network Security

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Computer Network Security February 15-16, 2013, Kompot, Cambodia

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Computer Network Security. February 15-16 , 2013, Kompot , Cambodia. About Me:. Name: Leangchea Gouv Company: WiCam co,.ltd Position: Network Engineering E-mail: [email protected] Mobile: 088 875 2222. Content:. Computer Security Computer Security risks to home users - PowerPoint PPT Presentation

Transcript of Computer Network Security

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Computer Network SecurityFebruary 15-16, 2013, Kompot, Cambodia

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About Me:

Name: Leangchea Gouv Company: WiCam co,.ltd Position: Network Engineering E-mail: [email protected] Mobile: 088 875 2222

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Content:

Computer Security Computer Security risks to home users

What is at risk? Intentional misuse of your computer Accidents and other risks

Action home users can take to protect their computer systems

Question?

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Computer Security

What is computer security?

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Computer Security

What is computer security?Computer security is the process of preventing and

detecting

unauthorized use of your computer.

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Computer Security

Why should I care about computer security?

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Computer Security

Why should I care about computer security?We use computers for everything from banking and

investing to

shopping and communicating with others through email or

chat programs.  Although you may not consider your

communications "top secret," you probably do not want

strangers reading your email, using your computer to attack

other systems, sending forged email from your computer,

or examining personal information stored on your computer

(such as financial statements).

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Computer Security

Who would want to break into my computer?

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Computer Security

Who would want to break into my computer? Hackers Attackers Crackers etc..

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Computer security risks to users

What is at risks?Information security is concerned with three main area:

Confidentiality: information should be available only to those who rightfully to access it.

Integrity: information should be modified by those who are authorized

Availability: information should be accessible to those who need it

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Computer security risks to users Intentional misuse of your computer

The most common methods used by intruders to gain control of computers are described below:

Trojan horse programs Back door and remote administration programs Denial of service Being an intermediary for another attack Unprotected windows shares Mobile code Cross-site scripting Email spoofing Email-borne viruses Hidden file extensions Chat clients Packet sniffing

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Computer security risks to users

Accidents and other risks1. Disk Failure

2. Power failure and surges

3. Physical theft

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Actions users can take to protect their computerThe recommends the following practices to users:

1. Consult your system support

2. Secure your Username & Password

3. Use virus protection software

4. Use a firewall

5. Don’t open unknown email attachments

6. Don’t run programs of unknown

7. Disable hidden filename extensions

8. Keep all application (including your operating system) patched

9. Turn off your computer or disconnect from the network when not use

10. Disable scripting features in email programs

11. Disable Java, Javascript, and activeX if possible

12. Make regular backups of critical data

13. Make a external disk in case your computer is damaged or compromised

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Question ?