(ぜいじゃく)

ぜいじゃく
noun, na-adjective
vulnerability; fragility; weakness
formaltechnicalbusiness
1. fragility; weakness; vulnerability
The state of being easily damaged, broken, or attacked. Used for physical structures, systems, or situations.
It was built on fragile ground.
経済(けいざい)脆弱性(ぜいじゃくせい)露呈(ろてい)した
The fragility of the economy was exposed.
When you're in a mentally fragile state, it's better to avoid major decisions.
2. security vulnerability
In IT context, a weakness in a system that can be exploited by attackers.
セキュリティ脆弱性(ぜいじゃくせい)発見(はっけん)された
A security vulnerability was discovered.
脆弱性(ぜいじゃくせい)修正(しゅうせい)するパッチ公開(こうかい)された
A patch to fix the vulnerability was released.
ゼロデイ脆弱性(ぜいじゃくせい)()いた攻撃(こうげき)確認(かくにん)された
An attack exploiting a zero-day vulnerability was confirmed.

Etymology

(ぜい) (brittle, fragile) + (じゃく) (weak)

Common forms

  • 脆弱(ぜいじゃく)な (na-adjective)
  • 脆弱性(ぜいじゃくせい) (vulnerability - noun with (せい))

IT/SECURITY context

  • 脆弱性(ぜいじゃくせい)診断(しんだん) - vulnerability assessment
  • 脆弱性(ぜいじゃくせい)対策(たいさく) - vulnerability countermeasures
  • ゼロデイ脆弱性(ぜいじゃくせい) - zero-day vulnerability
  • 脆弱性(ぜいじゃくせい)() - to exploit a vulnerability

Other contexts

Similar words

堅牢(けんろう) - robust, solid