Dark data is the untapped information sitting in your files and systems that no...

https://echo-wiki.win/index.php/How_Do_I_Connect_NAS_and_Object_Stores_Without_Installing_Agents%3F

Dark data is the untapped information sitting in your files and systems that no one uses — and it can cause real problems. Around 55% of stored data goes unused, which means you’re paying for storage and risking exposure without any benefit