an illegal action in cyberspace by which a person or program successfully masquerades as another by falsifying data thereby gaining an illegitimate advantage.
— CELEX:52008SC0511/EN
"According to the latest DDoS report [...], more than half of all denial-of-service attacks[...] involved [...] spoofing."
— krebsonsecurity.com
"Apsimestinėse
atakose programišius šniukštinėja ir klausosi srauto, kuris keliauja tinklu nuo siuntėjo iki gavėjo."
— esparama.lt
"Vi ved af erfaring, at svindlerne typisk bruger et tilfældigt nummer til spoofing [...]"
— tdc.dk
"Svindlere som praktiserer spoofing bruker både eksisterende og falske telefonnumre. "