What does 仕業 mean?
仕業 is a Japanese noun meaning “deed (esp. negative); act; action; one's doing” in English. It is written as 仕業 in kanji, しわざ in hiragana, and shiwaza in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
それ、ウィルスの仕業じゃないかな。
That looks like the work of a virus.