a method specially developed for this vulnerability, and use it to carry out a zero-day attack.įinding information about new security vulnerabilities To do so, they use a zero-day exploit, i.e. This is because the hackers are already actively exploiting the vulnerability. “Zero days” means that the company has no time at all to develop a patch and publish it. This refers to the amount of time the manufacturer has to close the gap. Such newly discovered security vulnerabilities are called zero days, sometimes also spelled 0-day. They then either use the security hole themselves to penetrate other people’s systems, or they sell their find, often for horrendous sums. Some, however, are first tracked down by criminal hackers who first keep this knowledge to themselves. Many of these security flaws are discovered over time by users or even by the manufacturer itself and plugged with a patch or the next update. The more extensive the code, the more there are. There are errors (bugs) and security vulnerabilities in the code of almost all software.
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