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zero-day exploit
(redirected from zero-day attack)

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zero-day exploit
An attack that takes place immediately after a security vulnerability is announced. If a user discovers a vulnerability, it might wind up on one or two blogs, and the news travels fast. If a software vendor finds it, the tendency is to keep it under wraps until it has a patch to fix it. However, in many cases, vendors have to announce the flaw because users may be able to avoid the problem by steering clear of a Web site or being sure to not open a certain e-mail attachment. See exploit.


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Microsoft's recent Patch Tuesday included an FTP vulnerability in Microsoft Internet Information Services (ISS) that was the target of a limited number of zero-day attacks.
lt;p>"There is no product you can buy to stop this as a zero-day attack," Stewart says, though he added that antivirus software might eventually detect it and stop it later on your machine.
Yuval Ben-Itzhak, Finjan CTO explains: "Finjan customers are protected from these kinds of zero-day attacks, since Finjan's Vital SecurityTM Web Gateway is able to detect such an exploit and block it without the need to have prior knowledge of the specific technique used by cybereriminals.
 
 
 
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