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From Problem to Solution - Wireless Sensor Networks Security (Hardcover)
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From Problem to Solution - Wireless Sensor Networks Security (Hardcover)
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Reserving data authenticity in a hostile environment, where the
sensor nodes may be compromised, is a critical security issue for
wireless sensor networks. In such networks, once a real event is
detected, nearby sensors generate data reports which are
subsequently forwarded to the data collection point. However, the
subverted sensors, which have access to the stored secret keys, can
launch attacks to compromise data authenticity. They can act as
sources for forged reports and inject an unlimited number of bogus
reports that fabricate false events "happening" at arbitrary
locations in the field. Such false reports may exhaust network
energy and bandwidth resources, trigger false alarms and undesired
reactions. The authors explain such attacks and that which can be
roughly categorised as isolated attacks by each individual
compromised node or colluding attacks by a group of collaborating
impostors.
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