UNSUPERVISED CONTROLLING SYSTEM FOR DETECTING AND DEFENCING SYBIL ATTACK

摘要

Disclosed is a non-privacy control system for detection and defense of a cybul attack. The non-image guidance control system for detecting and defeating a sibil attack according to an embodiment of the present invention includes: an initial value setting unit for calculating an average value from a plurality of rating information given to a recommendation target on an online recommendation system, The reliability is compared with a critical section during a time period during which a partial or partial attack is detected to determine whether or not to approve the new class information to be provided to the recommended object, and the new class information is reflected in accordance with the preset number of updates, And a system determination unit for determining whether a cybuling attack has occurred for the recommendation target, and dynamically varying the predetermined threshold interval and the update count according to the determined result.