What is a zero-day vulnerability?
A software security vulnerability that will be (was) triggered at midnight GMT on January 1st of the year 2000
A software security bug that is as-of-yet unknown to the vendor
A software security bug that begins at midnight GMT on New Years Day of any given year (day zero)
A software security bug that cannot be prevented from infecting all machines on TCP/IP networks
Answers are hidden from search engines.