diff --git a/libp2p/security/base_session.py b/libp2p/security/base_session.py
index 3cfd0190..5b23ba64 100644
--- a/libp2p/security/base_session.py
+++ b/libp2p/security/base_session.py
@@ -13,12 +13,21 @@ class BaseSession(ISecureConn, IRawConnection):
     def __init__(
         self, transport: BaseSecureTransport, conn: IRawConnection, peer_id: ID
     ) -> None:
-        self.local_peer = self.transport.local_peer
-        self.local_private_key = self.transport.local_private_key
+        self.local_peer = transport.local_peer
+        self.local_private_key = transport.local_private_key
         self.insecure_conn = conn
         self.remote_peer_id = peer_id
         self.remote_permanent_pubkey = b""
 
+    # TODO clean up how this is passed around?
+    @property
+    def initiator(self) -> bool:
+        return self.insecure_conn.initiator
+
+    # TODO clean up how this is passed around?
+    def next_stream_id(self) -> int:
+        return self.insecure_conn.next_stream_id()
+
     def get_local_peer(self) -> ID:
         return self.local_peer
 
diff --git a/libp2p/security/simple/transport.py b/libp2p/security/simple/transport.py
index 87883998..8a9c6dbb 100644
--- a/libp2p/security/simple/transport.py
+++ b/libp2p/security/simple/transport.py
@@ -2,11 +2,12 @@ import asyncio
 
 from libp2p.network.connection.raw_connection_interface import IRawConnection
 from libp2p.peer.id import ID
+from libp2p.security.base_transport import BaseSecureTransport
+from libp2p.security.insecure.transport import InsecureSession
 from libp2p.security.secure_conn_interface import ISecureConn
-from libp2p.security.secure_transport_interface import ISecureTransport
 
 
-class SimpleSecurityTransport(ISecureTransport):
+class SimpleSecurityTransport(BaseSecureTransport):
     key_phrase: str
 
     def __init__(self, key_phrase: str) -> None:
@@ -26,7 +27,12 @@ class SimpleSecurityTransport(ISecureTransport):
                 "Key phrase differed between nodes. Expected " + self.key_phrase
             )
 
-        return conn
+        session = InsecureSession(self, conn, ID(b""))
+        # NOTE: this is abusing the abstraction we have here
+        # but this code may be deprecated soon and this exists
+        # mainly to satisfy a test that will go along w/ it
+        session.key_phrase = self.key_phrase
+        return session
 
     async def secure_outbound(self, conn: IRawConnection, peer_id: ID) -> ISecureConn:
         """
@@ -46,4 +52,9 @@ class SimpleSecurityTransport(ISecureTransport):
                 "Key phrase differed between nodes. Expected " + self.key_phrase
             )
 
-        return conn
+        session = InsecureSession(self, conn, peer_id)
+        # NOTE: this is abusing the abstraction we have here
+        # but this code may be deprecated soon and this exists
+        # mainly to satisfy a test that will go along w/ it
+        session.key_phrase = self.key_phrase
+        return session
diff --git a/libp2p/stream_muxer/mplex/mplex.py b/libp2p/stream_muxer/mplex/mplex.py
index 60db1d2d..00dc25c3 100644
--- a/libp2p/stream_muxer/mplex/mplex.py
+++ b/libp2p/stream_muxer/mplex/mplex.py
@@ -39,7 +39,7 @@ class Mplex(IMuxedConn):
         :param peer_id: peer_id of peer the connection is to
         """
         self.conn = secured_conn
-        self.initiator = self.conn.initiator
+        self.initiator = secured_conn.initiator
 
         # Store generic protocol handler
         self.generic_protocol_handler = generic_protocol_handler