Why You Shouldn't Use Most Premade NAS Solutions

Simply put, their security is terrible. For example, as of 2019-07-25, Synology had 15 disclosed, unpatched vulnerabilities in the previous 12 months. QNAP, the other premade NAS market leader, isn't actually worse.

The best NAS solution is to use a 3rd party OS that's actively developed and aggressively patched on commodity hardware.