![]() ![]() It is common for individuals or companies who discover zero-day attacks to sell them to government agencies for use in cyberwarfare. Once a patch is available, it is no longer a “zero-day exploit”. It is called a “zero-day” because the programmer has had zero days to fix the flaw (in other words, a patch is not available). “A zero-day (or zero-hour or day zero) attack or threat is an attack that exploits a previously unknown vulnerability in a computer application or operating system, one that developers have not had time to address and patch. ![]() No, but I think it’s worth being clear here and having an accepted universally agreed upon definition. ![]() “But my adherence to strict definitions isn’t going to change the world, obviously.” ![]()
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