In turn the current exploiting of the flaw is known as a "zero-day" attack.

所以说，现在利用这一漏洞进行的攻击被称为“零日”攻击。

youdao

Zero-day attack Computer threats that prey on software weaknesses developers had not identified.

是指电脑被攻击是因为电脑软件上有开发者没有发现的缺陷，从而被黑客利用；

youdao

When it first hit, it was a "zero-day attack, " in hacker parlance.

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Hackers infected banner ads run by marketing firms such as Germany's Falk Esolutions, causing users who visited certain Web sites displaying Falk ads to download a Trojan horse that steals credit card numbers by exploiting yet another undetected vulnerability in Microsoft's Internet Explorer (a zero-day attack, once again).

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The holy grail is a Day Zero attack, preventing something which has never been seen before.

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