ゼロデイ攻撃 こうげきでしょう
zerodeikōgekideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of ゼロデイ攻撃

1. Zero-day attack, likely.; Probably a zero-day attack.

Polite
Presumptive
Conjecture
Computing