If you are concerned about security in one of your imported dependencies (or in user code) you can run that code in a sandboxed worker (See: https://deno.land/m

If you are concerned about security in one of your imported dependencies (or in user code) you can run that code in a sandboxed worker (See: https://deno.land/manual@v1.18.0/runtime/workers#specifying-worker-permissions https://deno.land/manual@v1.18.0/runtime/workers#specifying-...). Beyond this it is still very useful to limit your runtime for software to only access specific directories, network addresses, etc. So the sandbox/security is definitely not useless.