Computer: Security Case

When applying security "stamps" to digital or physical documents (like "CONFIDENTIAL"), a solid text stamp is fully opaque to hide underlying data, whereas a watermark is semi-transparent.

This often refers to a specific real-world incident used for analysis. A famous example is the 1888 Morris Worm , which is frequently cited as a foundational case in computer security history. computer security case

In the field of data protection and printing, "solid text" has a technical meaning related to securing sensitive information: When applying security "stamps" to digital or physical