noun
logic bomb
A piece of malicious code that triggers a harmful action when certain conditions are met. Domain-specific computing term.
論理爆弾は特定の日付に起動するように仕組まれていた。
The logic bomb was set to activate on a specific date.
A computer virus spreads by infecting other programs, while a logic bomb is a dormant piece of code triggered by a specific condition.
A Trojan horse disguises itself as legitimate software, whereas a logic bomb is often hidden inside a trusted program and triggered later.
Calque from English 'logic bomb'. 論理 (logic) + 爆弾 (bomb).