saving-password-caution.md
Under normal circumstances, users are not able to directly read data from files stored in DFS. However, all users who have access to UDx functions that read from the DFS could access these files from within Vertica.
In addition, these files are stored as plain text in every node's file system. Anyone with the proper file system access on the nodes can read the file's contents.
You should take both of these facts into consideration when deciding whether to store sensitive information such as passwords or shared secrets in either the shared or per-user configuration files.