What is a Zero-Day vulnerability?

A Zero-Day vulnerability refers to a security flaw that is exploited by attackers before the developers or the organization have had a chance to release a fix or patch. The term "zero-day" signifies that the affected software is exposed to threats for zero days before a patch is available, meaning that there is no time elapsed between the discovery of the vulnerability and its exploitation. This makes such vulnerabilities particularly dangerous, as there are no defenses in place at the time of the attack.

The nature of Zero-Day vulnerabilities underscores the critical importance of prompt security updates and vigilance in monitoring software and applications for signs of exploitation. Organizations must prioritize their security measures to detect and mitigate risks associated with these vulnerabilities as they can lead to significant data breaches and other forms of cyberattacks.