What is a zero day? Definition, examples, and defense | CSO Online

February 20, 2025

A zero day is a security flaw for which the vendor of the flawed system has yet to make a patch available to affected users. The name ultimately derives from the world of digital content piracy…

https://www.csoonline.com/article/565704/zero-days-explained-how-unknown-vulnerabilities-become-gateways-for-attackers.html

What is a zero day? 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