English Dictionary

zero-day

形容詞

慣用表現 比較不可

(computing, idiomatic) (of vulnerability) newly discovered, and therefore still not fixed and possibly exploited by hackers or other criminals

日本語の意味

（コンピュータ・セキュリティの文脈で）新たに発見された脆弱性で、まだ修正されておらず、ハッカー等によって悪用される可能性がある状態を指します。

Security teams scrambled to contain the damage after a zero-day exploit was detected on several servers.

セキュリティチームは、複数のサーバーで発見されたばかりでまだ修正されていない脆弱性を突く攻撃が検出された後、被害の拡大を食い止めるために奔走した。

意味（1）

(computing, idiomatic) (of vulnerability) newly discovered, and therefore still not fixed and possibly exploited by hackers or other criminals

意味（2）

(computing, idiomatic) (of exploit, its threat, or attack) benefiting from newly found and yet unpatched or unmitigated flaw in software or hardware; using zero-day vulnerability

If your software is popular and has a high demand, you will want to defend against the zero-day cracker.

意味（3）

Used other than figuratively or idiomatically: see zero, day.

Average residues of 1.44 and 2.18 mg/kg chlortetracycline were seen in liver and kidney, respectively, at zero-day withdrawal.