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Assignment 4

Assignment 4

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    Assignment4 Assignment4 Presentation Transcript

    • Information/Data leakage Emil Hermansson
    • Definition  Information leakage is when a system designed to be closed for outsiders reveals information to unauthorized parties  It is very common that there is some amount of information leakage, even though the leakage may be harmless. There might be a leakage that you are sending a message, but no information about the message or to whom you are sending it
    • Special elements in this threat  There are hackers (crackers is another name used) who seeks and exploits weaknesses in networks  Some information might also be leaked unintentionally by mistake  Information about a companys customers or their personal information is something that might leak and harm the company
    • Examples  WikiLeaks is an example of a site that provides all sorts of information leakage. It might not be from the social media so much and the main source of the leakages are whistleblowers.  Google accidentally leaked information about their earnings too early, costing the company USD22 Billion  All users of social media that do not protect their privacy sets themselves prone for identity theft
    • How to prevent the threats  DLP stands for Data Loss Prevention.  There are many companies providing softwares and services to help companies prevent information leakage  All major antivirus companies offer DLP services  There are three different levels of DLP: - Standard security measures that include firewalls and antivirus software - Advanced security measures that include detecting of abnormal activities and employ machine learning - Designated DLP solutions that include all intentional and unintentional unauthorized sending or copying of sensitive data
    • Sources  http://www.networkworld.com/research/2008/010708data-leak-nightmares.html  http://nakedsecurity.sophos.com/2012/10/19/data-leakgoogle-stock/  http://en.wikipedia.org/wiki/Data_loss_prevention_softw are  http://wikileaks.org/About.html  http://en.wikipedia.org/wiki/Information_leakage