noun
active threat
A computing security term for an ongoing or imminent threat that is actively targeting a system, as opposed to a passive vulnerability.
能動的脅威を検知するために、侵入検知システムが導入された。
An intrusion detection system was introduced to detect active threats.
能動的脅威への対応手順を文書化しておく必要がある。
It is necessary to document the response procedures for active threats.
Passive threat; refers to a vulnerability or risk that is not actively exploited, such as an unpatched system, whereas 能動的脅威 is an active attack or ongoing malicious activity.
Compound of 能動的 (active, proactive) and 脅威 (threat). A technical term likely calqued from English 'active threat' in the context of computer security.