In the box about Zero-Day Attacks in chapater 26.29.5 it says:
A Zero-Day Attack is when there is an attack or communicated threat of an attack that
occurs on the first day (or hour) of a project launch or upgrade.
I think this definition is a bit wrong or at least slightly confusing.
On wikipedia they use the following definition:
A zero-day (also known as zero-hour or 0-day) is a computer threat that exposes undisclosed or unpatched computer application vulnerabilities.
In the box about Zero-Day Attacks in chapater 26.29.5 it says:
I think this definition is a bit wrong or at least slightly confusing.
On wikipedia they use the following definition: