Part of macOS
tccdPrivacy permissions
○ Leave it
Remembers which apps may use your camera, files and more.
What it is
Keeps track of the permissions you give apps in Privacy & Security.
If you stop it
macOS starts it again straight away. Leave it.
The verdict
○ Leave it. Part of macOS, or something that starts again by itself. You never need to close these.
In Activity Monitor
tccd
From Procession’s guide, in the words the app shows.