Please take a look at https://issues.apache.org/jira/browse/CASSANDRA-6266 for details
"Bhathiya Jayasekara" <email@example.com> wrote in message news:CAPt+24Qd4e_+_6OC3rrmzpq2C6Yoij1YQydLKCePNgabXK_mdw@mail.gmail.com...
If I understood correctly, in Cassandra, authenticated users can see the list of all keyspaces. (i.e. full schema)
Is that the default behavior in Cassandra? Can we restrict that behavior?