olemus
tüütav nähtus

Wiktionary:
1. a minor annoyance or inconvenience

näide
üks kahjurkoodi liike: suhteliselt leebe, paljunematu,
hõlpsalt kõrvaldatav, sageli naljatlev

ülevaateid
https://www.efficientplantmag.com/2019/02/turn-your-cybersecurity-inside-out/

https://www.fireeye.com/blog/threat-research/2014/02/xtremerat-nuisance-or-threat.html

https://blogs.quickheal.com/potentially-unwanted-application-pua-a-digital-nuisance/

https://en.wikipedia.org/wiki/Annoyance_factor

https://www.searchenginejournal.com/study-finds-which-types-of-digital-ads-are-most-annoying-for-consumers/323285/