olemus
kahjurkoodi paigutumine mitte kettale,
vaid põhimällu,
mistõttu on raskemini välditav ja avastatav
= infection with malware without writing any files to disk

ülevaateid
https://blog.malwarebytes.com/cybercrime/2016/03/fileless-infections-an-overview/

https://heimdalsecurity.com/blog/fileless-malware-infections-guide/

http://blog.trendmicro.com/trendlabs-security-intelligence/usb-malware-implicated-fileless-attacks/

https://www.symantec.com/content/dam/symantec/docs/security-center/white-papers/istr-living-off-the-land-and-fileless-attack-techniques-en.pdf

https://www.cybertraining365.com/cybertraining/Topics/Fileless_infection_(fileless_malware)

https://www.virusbulletin.com/uploads/pdf/conference/vb2015/RiveraInnocencio-VB2015.pdf

tõrje
https://www.kaspersky.com/enterprise-security/wiki-section/products/fileless-threats-protection

https://techtalk.pcpitstop.com/2017/06/16/infographic-blacklist-whitelist/

https://blog.bluepay.com/what-are-fileless-attacks