Table 3. Attack distribution in the UNSW-NB15 dataset.

Attack category	Number of events	Attack category	Number of events	Attack category	Number of events
Fuzzers	24,246	Analysis	2,677	Exploits	44,525
Reconnaissance	13,987	Backdoors	2,329	Generic	215,481
Shellcode	1,511	DoS	16,353	Worms	174