In the particular case of C5, C6, C7, and C8, contents may be disclosed on a possible device theft or attack.
The maximum number of items of each type is obviously open to discussion, but we considered 20 items.
This value was retrieved from the CIS security benchmarks documents [6] that originally defined it as the limit for text and multimedia messages.
Although the CIS documents do not contemplate other content types, we considered the same value for photos, videos, audio and documents. Anyway, this is the type of configuration that can be easily tuned in our tool.