olemus
(a) = siseringioht
https://www.tessian.com/blog/insider-threats-types-and-real-world-examples/

(b) oht, mille allikas on organisatsioonis endas
https://firewalltimes.com/internal-threats/

https://www.diva-portal.org/smash/get/diva2:1019129/FULLTEXT01.pdf

https://www.diva-portal.org/smash/get/diva2:1019129/FULLTEXT01.pdf

(c) riigisisene julgeolekuoht
https://www.inss.org.il/wp-content/uploads/2020/09/Memo203_e-97-121.pdf