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Seminar topics for Computer science

Conclusion

Wireless networks make mobile computing extremely useful and handy to the everyday user, but without the correct type of authentication and security measures taken, they can create many problems that can lead to compromised data.  New vulnerabilities are found every day, so it is impossible to say that the solutions presented will maintain their usefulness, but I hope that by writing this report people can know what to look out for and how they might be able to protect themselves.

To recap some of the vulnerabilities with Wi-Fi, the first is a general idea to not use WEP anymore.  There are more and more problems being found that break WEP faster than the previous method. WPA is only as strong as the PSK if TKIP must be used because of older hardware limitations. WPA with AES encryption should be used with a random 64 character string in a home environment. Within a corporate environment, a RADIUS server should be implemented to reduce the chance of a PSK being leaked, and reduce the effort in maintaining a PSK in all the wireless devices.  When anyone is at a public location accessing the internet, watching the name of the access point and planning ahead by using a VPN program such as Hamachi to tunnel traffic through will keep the users data from eyes that are not supposed to see the data.

IEEE and other organizations are continually working on new and better techniques to ensure that data will not be compromised.  There are also security researchers and hackers that are continually trying to find methods that will break these techniques.  While security researchers are doing it to help the industry as a whole, some hackers tend to do it for selfish reasons.

Seminar topics for Computer science

These security issues here were only dealing with wireless and to bypass most of these problems, a solution would be to plug the computer in to a network port, connected directly to a switch.  Limiting the broadcast range of the network will also help control who has access to the network.  Creating separate VLANs for unauthenticated clients will help reduce the exposure of the network resources available to an attacker.  Unfortunately it is impossible to make a system 100% safe, but in the end, all it takes is one user to leave a post-it-note on their computer with their username and password on it to unravel even the most secure systems.  So to end this I’d like to include a XKCD (2009) comic, in Figure 7, that somewhat explains the weakest link in computer security.

Seminar topics for Computer Science

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JJ

This is Mr.Jose John, 21 yrs old guy, currently pursuing final year mechanical engineering, now become an enthusiastic blogger and a successful entrepreneur.
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