How your data is safe in Hyperledger Fabric when one can make changes to couchdb data directly

Question

I am wondering that how your data is safe when an admin can change the latest state in Couchdb using Fauxton or cURL provided by

Answer 1

You must secure your couchdb from modification by processes other than the peer, just as you must generally protect your filesystem or memory.

If you make your filesystem world writable, other users could overwrite ledger contents. Similarly, if you do not put access control on couchdb writes, then you lose the immutability properties.