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|Title:||Improving hidden Markov model inferences with private data from multiple observers|
|Citation:||IEEE Signal Processing Letters, 2012; 19(10):696-699|
|Publisher:||IEEE-Inst Electrical Electronics Engineers Inc|
|Hung X. Nguyen and Matthew Roughan|
|Abstract:||Most large attacks on the Internet are distributed. As a result, such attacks are only partially observed by any one Internet Service Provider (ISP). Detection would be significantly easier with pooled observations, but privacy concerns often limit the information that providers are willing to share. Multi-party secure distributed computation provides a means for combining observations without compromising privacy. In this letter, we show the benefits of this approach, the most notable of which is that combinations of observations solve identifiability problems in existing approaches for detecting network attacks.|
|Keywords:||Hidden Markov models; identifiability; multiple observers; networks; security.|
|Rights:||© 2012 IEEE|
|Appears in Collections:||Mathematical Sciences publications|
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