diff --git a/dlls/mshtml/Makefile.in b/dlls/mshtml/Makefile.in
index 7f44bb16a1d..b1003593cb8 100644
--- a/dlls/mshtml/Makefile.in
+++ b/dlls/mshtml/Makefile.in
@@ -60,6 +60,7 @@ C_SRCS = \
 	persist.c \
 	protocol.c \
 	script.c \
+	secmgr.c \
 	selection.c \
 	service.c \
 	task.c \
diff --git a/dlls/mshtml/htmldoc.c b/dlls/mshtml/htmldoc.c
index f7c71902515..bfde79d53c6 100644
--- a/dlls/mshtml/htmldoc.c
+++ b/dlls/mshtml/htmldoc.c
@@ -28,6 +28,7 @@
 #include "winuser.h"
 #include "ole2.h"
 #include "perhist.h"
+#include "mshtmdid.h"
 
 #include "wine/debug.h"
 
@@ -1756,7 +1757,15 @@ static HRESULT HTMLDocumentNode_QI(HTMLDOMNode *iface, REFIID riid, void **ppv)
     if(htmldoc_qi(&This->basedoc, riid, ppv))
         return *ppv ? S_OK : E_NOINTERFACE;
 
-    return HTMLDOMNode_QI(&This->node, riid, ppv);
+    if(IsEqualGUID(&IID_IInternetHostSecurityManager, riid)) {
+        TRACE("(%p)->(IID_IInternetHostSecurityManager %p)\n", This, ppv);
+        *ppv = HOSTSECMGR(This);
+    }else {
+        return HTMLDOMNode_QI(&This->node, riid, ppv);
+    }
+
+    IUnknown_AddRef((IUnknown*)*ppv);
+    return S_OK;
 }
 
 void HTMLDocumentNode_destructor(HTMLDOMNode *iface)
@@ -1806,6 +1815,7 @@ HRESULT create_doc_from_nsdoc(nsIDOMHTMLDocument *nsdoc, HTMLDocumentObj *doc_ob
 
     init_dispex(&doc->node.dispex, (IUnknown*)HTMLDOMNODE(&doc->node), &HTMLDocumentNode_dispex);
     init_doc(&doc->basedoc, (IUnknown*)HTMLDOMNODE(&doc->node), DISPATCHEX(&doc->node.dispex));
+    HTMLDocumentNode_SecMgr_Init(doc);
     doc->ref = 1;
 
     nsIDOMHTMLDocument_AddRef(nsdoc);
diff --git a/dlls/mshtml/mshtml_private.h b/dlls/mshtml/mshtml_private.h
index 73daf017aaf..17fa9715fbd 100644
--- a/dlls/mshtml/mshtml_private.h
+++ b/dlls/mshtml/mshtml_private.h
@@ -465,6 +465,8 @@ struct HTMLDocumentNode {
     HTMLDOMNode node;
     HTMLDocument basedoc;
 
+    const IInternetHostSecurityManagerVtbl *lpIInternetHostSecurityManagerVtbl;
+
     LONG ref;
 
     HTMLDOMNode *nodes;
@@ -540,6 +542,8 @@ struct HTMLDocumentNode {
 
 #define SUPPERRINFO(x)   ((ISupportErrorInfo*) &(x)->lpSupportErrorInfoVtbl)
 
+#define HOSTSECMGR(x)    ((IInternetHostSecurityManager*)  &(x)->lpIInternetHostSecurityManagerVtbl)
+
 #define DEFINE_THIS2(cls,ifc,iface) ((cls*)((BYTE*)(iface)-offsetof(cls,ifc)))
 #define DEFINE_THIS(cls,ifc,iface) DEFINE_THIS2(cls,lp ## ifc ## Vtbl,iface)
 
@@ -564,6 +568,8 @@ void HTMLDocument_Window_Init(HTMLDocument*);
 void HTMLDocument_Service_Init(HTMLDocument*);
 void HTMLDocument_Hlink_Init(HTMLDocument*);
 
+void HTMLDocumentNode_SecMgr_Init(HTMLDocumentNode*);
+
 HRESULT HTMLCurrentStyle_Create(HTMLElement*,IHTMLCurrentStyle**);
 
 void ConnectionPoint_Init(ConnectionPoint*,ConnectionPointContainer*,REFIID);
diff --git a/dlls/mshtml/secmgr.c b/dlls/mshtml/secmgr.c
new file mode 100644
index 00000000000..617cb230670
--- /dev/null
+++ b/dlls/mshtml/secmgr.c
@@ -0,0 +1,95 @@
+/*
+ * Copyright 2009 Jacek Caban for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include "config.h"
+
+#include <stdarg.h>
+#include <stdio.h>
+
+#define COBJMACROS
+
+#include "windef.h"
+#include "winbase.h"
+#include "winuser.h"
+#include "ole2.h"
+
+#include "wine/debug.h"
+
+#include "mshtml_private.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
+
+#define HOSTSECMGR_THIS(iface) DEFINE_THIS(HTMLDocumentNode, IInternetHostSecurityManager, iface)
+
+static HRESULT WINAPI InternetHostSecurityManager_QueryInterface(IInternetHostSecurityManager *iface, REFIID riid, void **ppv)
+{
+    HTMLDocumentNode *This = HOSTSECMGR_THIS(iface);
+    return IHTMLDOMNode_QueryInterface(HTMLDOMNODE(&This->node), riid, ppv);
+}
+
+static ULONG WINAPI InternetHostSecurityManager_AddRef(IInternetHostSecurityManager *iface)
+{
+    HTMLDocumentNode *This = HOSTSECMGR_THIS(iface);
+    return IHTMLDOMNode_AddRef(HTMLDOMNODE(&This->node));
+}
+
+static ULONG WINAPI InternetHostSecurityManager_Release(IInternetHostSecurityManager *iface)
+{
+    HTMLDocumentNode *This = HOSTSECMGR_THIS(iface);
+    return IHTMLDOMNode_Release(HTMLDOMNODE(&This->node));
+}
+
+static HRESULT WINAPI InternetHostSecurityManager_GetSecurityId(IInternetHostSecurityManager *iface,  BYTE *pbSecurityId,
+        DWORD *pcbSecurityId, DWORD_PTR dwReserved)
+{
+    HTMLDocumentNode *This = HOSTSECMGR_THIS(iface);
+    FIXME("(%p)->(%p %p %lx)\n", This, pbSecurityId, pcbSecurityId, dwReserved);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI InternetHostSecurityManager_ProcessUrlAction(IInternetHostSecurityManager *iface, DWORD dwAction,
+        BYTE *pPolicy, DWORD cbPolicy, BYTE *pContext, DWORD cbContext, DWORD dwFlags, DWORD dwReserved)
+{
+    HTMLDocumentNode *This = HOSTSECMGR_THIS(iface);
+    FIXME("%p)->(%d %p %d %p %d %x %x)\n", This, dwAction, pPolicy, cbPolicy, pContext, cbContext, dwFlags, dwReserved);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI InternetHostSecurityManager_QueryCustomPolicy(IInternetHostSecurityManager *iface, REFGUID guidKey,
+        BYTE **ppPolicy, DWORD *pcbPolicy, BYTE *pContext, DWORD cbContext, DWORD dwReserved)
+{
+    HTMLDocumentNode *This = HOSTSECMGR_THIS(iface);
+    FIXME("(%p)->(%s %p %p %p %d %x)\n", This, debugstr_guid(guidKey), ppPolicy, pcbPolicy, pContext, cbContext, dwReserved);
+    return E_NOTIMPL;
+}
+
+#undef HOSTSECMGR_THIS
+
+static const IInternetHostSecurityManagerVtbl InternetHostSecurityManagerVtbl = {
+    InternetHostSecurityManager_QueryInterface,
+    InternetHostSecurityManager_AddRef,
+    InternetHostSecurityManager_Release,
+    InternetHostSecurityManager_GetSecurityId,
+    InternetHostSecurityManager_ProcessUrlAction,
+    InternetHostSecurityManager_QueryCustomPolicy
+};
+
+void HTMLDocumentNode_SecMgr_Init(HTMLDocumentNode *This)
+{
+    This->lpIInternetHostSecurityManagerVtbl = &InternetHostSecurityManagerVtbl;
+}
diff --git a/dlls/mshtml/tests/dom.c b/dlls/mshtml/tests/dom.c
index fd7cc44827f..626445ecb7d 100644
--- a/dlls/mshtml/tests/dom.c
+++ b/dlls/mshtml/tests/dom.c
@@ -105,6 +105,7 @@ static const IID * const doc_node_iids[] = {
     &IID_IHTMLDocument5,
     &IID_IDispatchEx,
     &IID_IConnectionPointContainer,
+    &IID_IInternetHostSecurityManager,
     NULL
 };