Zero-day malware is a type of malicious software that exploits a software vulnerability that is unknown to the vendors or developers of the affected software. It refers to a newly discovered vulnerability that has not yet been patched or fixed. This means that there are no known defenses or security measures in place to protect against it.
Zero-day malware is particularly dangerous because it can infect systems and spread without being detected by traditional antivirus or security solutions. It takes advantage of the fact that there is no known defense against it, making it difficult to detect and mitigate the risk it poses.
This type of malware can be used by cybercriminals to gain unauthorized access to systems, steal sensitive data, or carry out other malicious activities. It may come in various forms, such as viruses, worms, Trojans, or spyware.
In order to protect against zero-day malware, it is important to keep software and operating systems up to date with the latest patches and security updates. Additionally, using a robust and up-to-date antivirus solution can help detect and prevent the execution of zero-day malware.
It is worth noting that the term “zero-day” refers to the fact that software vendors have zero days to fix the vulnerability and release a patch before it can be exploited by cybercriminals. Once a vulnerability becomes known, it is no longer considered zero-day and can be addressed through security updates.
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