A "zero-day" refers to an exploit for a vulnerability that is unknown to the software vendor, meaning no patch is yet available to fix it. Common Types of Exploits
In the context of cybersecurity, an is a piece of software, a chunk of data, or a sequence of commands that takes advantage of a bug or vulnerability to cause unintended behavior in computer software or hardware. Key Concepts Exploit
An exploit is the "delivery mechanism" or the tool used to open a door; it is not the malware itself. A "zero-day" refers to an exploit for a