Data mining Security Wireless Sensor Network Aerodynamic objects Classification Cryptography Firefly Hybrid model K-means Key Management Naive Bayes Noise prediction Pairwise Keys RBF network Static wireless sensor networks Sybil attack VIKOR method XED algorithm breast cancer cloud computing dynamic ID assignment hybrid model meta-search engine multi-criteria decision-making multi-tree structure optimization algorithm ranking replica node attack search engines wireless sensor network; mobile nodes; security; replication attack workflow scheduling