I found the presentation made by Marianne about threats that SN sites pose very interesting and informative.
First, she gave an overview of SN sites, including the listing of the most popular ones. SN is an online community of internet users who share common interests and interact with each other through chats, emails, bloggings, forums, file sharing, videos, etc. The most popular SN sites include Facebook, LinkedIn, MySpace, Friendster, Twitter, Ning, Tagged and Hi5.
Second, Marianne discussed privacy issues associated with SN. They involve the unwarranted access of private information. Given their vast amounts of personal data, SN sites are a goldmine for marketing companies, corporate espionage and social data mining. Moreover, there is always a threat of cyberbullying, stalking, and sexual predators. That is why it is so important to control the privacy settings by making your profile less public and more private. I did not know that all the interactions and information is recorded and retained and can be used, copied, and distributed to 3d parties.
Third, Marianne talked about security issues that involve data theft, viruses, cybercams, fishing and spams. SN sites are easy targets for hackers. There is little we can personally do to control these threats but at least we can be more careful as to what and how we share on SN sites.
The presentation included useful tips for safe SN. It is important to remember them to minimize the potential risks.
Overall, the presentation was well done, well organized and included illustrative videos related to the issues discussed.
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