Sisitemu yo guhinduranya umurongo wa sisitemu yo gutangiza imishinga irashobora gutanga inyungu zisumbuyeho, kandi igira uruhare rugaragara muri:
(1) Kunoza umutekano wibikorwa;
(2) Kunoza umusaruro;
(3) Kuzamura ubuziranenge bwibicuruzwa;
(4) Kugabanya ikoreshwa ryibikoresho fatizo ningufu mubikorwa byo kubyaza umusaruro.