公开(公告)号：EP2951753A1

公开(公告)日：2015-12-09

申请号：EP13873289.6

申请日：2013-01-31

申请人： Hewlett-Packard Development Company, L.P.

发明人： HORNE, William, G. ,  SANDER, Tomas ,  VISWANATHAN, Krishnamurthy ,  RAJAGOPALAN, Siva Raj ,  SINGLA, Anurag

IPC分类号： G06F21/55 ,  G06F21/57

CPC分类号： G06F21/57 ,  G06F21/577 ,  G06F2221/034 ,  H04L63/1408 ,  H04L63/20

摘要： Providing a targeted security alert can include collecting participant data from a plurality of participants within a threat exchange community, calculating, using a threat exchange server, a threat relevancy score of a participant among the plurality of participants within the threat exchange community using the collected participant data, and providing, from the threat exchange server to the participant, the targeted security alert based on the calculated threat relevancy score via a communication link within the threat exchange community.

公开(公告)号：EP1766911A1

公开(公告)日：2007-03-28

申请号：EP05763641.7

申请日：2005-06-24

申请人： Hewlett-Packard Development Company, L.P.

发明人： WEISSMAN, Itschak ,  ORDENTLICH, Erik ,  SEROUSSI, Gadiel ,  VERDU, Sergio ,  WEINBERGER, Marcelo ,  VISWANATHAN, Krishnamurthy

IPC分类号： H04L25/06 ,  H04L1/00

CPC分类号： H04L1/0045 ,  H04L25/067

摘要： A method of and system for generating reliability information (1616) for a noisy signal (1612) received through a noise-introducing channel (1606). In one embodiment, symbol-transition probabilities are determined for the noise-introducing channel (1606). Occurrences of metasymbols in the noisy signal (1612) are counted, each metasymbol providing a context for a symbol of the metasymbol. For each metasymbol occuring in the noisy signal, reliability information (1616) for each possible value of the symbol of the metasymbol is determined, the reliability information (1616) representing a proability that the value in the original signal corresponding to the symbol of the metasymbol assumed each of the possible values. In another embodiment, error correction coding may be performed by adding redundant data to an original signal prior (1600) to transmission by the noise-introducing channel (1606) and performing error correction decoding after transmission.