--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Symbian3/SDK/Source/GUID-68BBBA98-BDF7-4562-8168-5E90C73ADCF8.dita	Thu Jan 21 18:18:20 2010 +0000
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+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
+<!-- This component and the accompanying materials are made available under the terms of the License 
+"Eclipse Public License v1.0" which accompanies this distribution, 
+and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
+<!-- Initial Contributors:
+    Nokia Corporation - initial contribution.
+Contributors: 
+-->
+<!DOCTYPE concept
+  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
+<concept id="GUID-68BBBA98-BDF7-4562-8168-5E90C73ADCF8" xml:lang="en"><title>Device
+security</title><prolog><metadata><keywords/></metadata></prolog><conbody>
+<p>The superior mobility and connectivity of mobile devices constitutes
+their greatest threat, and allows intruders to try different attack methods
+against the device. The figure below illustrates the most common methods of
+attack against mobile devices.</p>
+<fig id="GUID-2839B915-A025-4404-96A8-B9354F9E5A9F"><title>Mobile device and common attack methods</title><image href="GUID-A9E610B7-505C-41C4-9079-BC83C094982E_d0e6837_href.png"/></fig>
+<p>Due to the nature of mobile devices, including the potential vulnerabilities
+mentioned above, you should consider the following points when designing your
+application:</p>
+<ul>
+<li><p>If a mobile device is lost or stolen, confidential information
+(for example, calendar and contacts) can be read even by those with little
+expertise.</p></li>
+<li><p>Users can access confidential information and files at any
+time, including reverse engineering of software and algorithms.</p></li>
+<li><p>Data can be transferred from and to the mobile device through
+different methods, even accidentally. </p></li>
+<li><p>Users may detach removable media or the battery at any time,
+which can cause data loss or corruption.</p></li>
+</ul>
+<p>When you handle confidential information in your application, remember
+that with sufficient motivation and resources there are always ways to extract
+information from a mobile device. As the level of software security improves
+and attacks become less practical, interest in hardware attacks may in turn
+increase.</p>
+<p>In the continuously evolving digital world, every application should
+have a certain level of robustness against a changing and hostile environment.
+Applications should be prepared for data corruption and alteration, network
+and storage blackouts, plug-ins and components that misbehave, malicious attackers,
+and, perhaps most importantly, user errors.</p>
+<p>The Symbian <xref href="jar:GUID-35228542-8C95-4849-A73F-2B4F082F0C44.jar!/sdk/doc_source/guide/platsecsdk/index.html" format="application/java-archive">platform security</xref> architecture
+is designed to protect mobile devices and their contents.</p>
+<p>For more details, see <xref href="GUID-9058F379-C495-4B22-B270-FF6A80E450B8.dita">Device
+security mechanisms</xref>.</p>
+</conbody></concept>
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