olemus
(a) sideseadmete või -teenuste kasutamine nende eest maksmise kavatsuseta
(b) sideteenuse abil või sideteenuse kasutamisele suunatud kelmus
=
the use of telecommunications products or services (b) with the intention of manipulating the products or services or illegally acquiring money from, or (a) failing to pay, a telecommunication company

ülevaateid
https://conference.hitb.org/hitbsecconf2007dubai/materials/D2%20-%20David%20Michaux%20-%20Telecom%20Fraud.pdf

https://www.subex.com/blog/2021-cfca-global-telecommunications-fraud-loss-survey/

https://www.fico.com/blogs/what-telecom-subscription-fraud

tõrje
https://www.csgi.com/wp-content/uploads/248_CSG_Detect_Whitepaper.pdf

https://docdb.cept.org/download/4b3d5232-8550/ECCRep275.pdf

https://www.diva-portal.org/smash/get/diva2:1222014/FULLTEXT01.pdf

vt ka
- telefonikelmus