Ukucikiza kuyinoma ibuphi ubuqhebeqhebe obugxike empokopheleni obudinga izinsiza, buzuze kuzo, noma budale izinguxa zokucikiza. Ukucikiza kuhlanganisa ucwaningo nomgcanso ngezinqubo zomkholezima, nokuthuthukiswa kokubili kwezinsiza ezingaphandle neziphakathi. Ukucikiza kunezici zenzululwazi, zomngcikisho, zomchazazibalo, zobuchwepheshe nezomphakathi. Izigaba zokucikiza ezinkulu zihlanganisa umngcikisho wesicikizi, Inzululwazi yesiCikizi, (cybersecurity), inzululwazi yemininingo, izimiso zokwaziswa, ezobuchwepheshe bokwaziswa kanye nomngcikisho wehlelokusebenza.[1]
Ibizo elithi "ukucikiza" limqondofana nelithi ukubala nelithi ukuqaqulula. Ezikhathini zangaphambili, lalisetshenziswa uma kukhulunywa ngomsebenzi owenziwa abacikizi abangabantu, manje owenziwa izinguxa zokucikiza.[2]