Internet & Intranet Security Management - Risks & Solutions

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Typesetter: Tamara Gillis Cover Design: Connie Peltz Printed at: BookCrafters Published in the United States of America by Idea Group Publishing 1331 E. Chocolate Avenue Hershey PA 17033-1117 Tel: 717-533-8845 Fax: 717-533-8661 E-mail: cust@idea-group.com http://www.idea-group.com and in the United Kingdom by Idea Group Publishing 3 Henrietta Street Covent Garden London WC2E 8LU Tel: 171-240 0856 Fax: 171-379 0609 http://www.eurospan.co.uk Copyright © 2000 by Idea Group Publishing. All rights reserved. No part of this book may be reproduced in any form or by any means, electronic or mechanical, including photocopying, without written permission from the publisher. Library of Congress Cataloging-in-Publication Data Janczewski, Lech, 1943- Internet and intranet security management: risks and solutions / Lech Janczewski. p. cm.
Includes bibliographical references and index. ISBN 1-878289-71-3 1. Internet (Computer network)—Security measures. 2. Intranets (Computer networks)—Security measures. 3. Computers—Access control. 4. Cryptography. I. Title. TK5105.875.I57 J358 2000 005.8—dc21 00-022538 British Cataloguing in Publication Data A Cataloguing in Publication record for this book is available from the British Library. NEW from Idea Group Publishing __ Instructional and Cognitive Impacts of Web-Based Education Bev Abbey, Texas A&M University/ISBN: 1-878289-59-4 __ Web-Based Learning and Teaching Technologies: Opportunities and Challenges Anil Aggarwal, University of Baltimore/ISBN: 1-878289-60-8 __ Health-Care Information Systems: Challenges of the New Millennium Adi Armoni, Tel Aviv College of Management/ISBN: 1-878289-62-4 __ Evaluation and Implementation of Distance Learning: Technologies, Tools and Techniques France Belanger, Virginia Polytechnic Institute; Dianne H. Jordan, Booz Allen & Hamilton/ISBN: 1- 878289-63-2 __ Human Centered Methods in Information Systems: Current Research and Practice Steve Clarke and Brian Lehaney, University of Luton Business School/ISBN: 1-878289-64-0 __ Managing Healthcare Information Systems with Web-Enabled Technologies
Page 1: Internet and Intranet Security Mana
Page 5 and 6: Linda Lau, Longwood College/ISBN: 1
Page 7 and 8: Part III: Cryptography and Technica
Page 9 and 10: Three authors discuss issues relate
Page 11 and 12: PART I— STATE OF THE ART Chapter
Page 13 and 14: Security Policy Primarily, a securi
Page 15 and 16: management, a visual cross-referenc
Page 17 and 18: Firewalls A growing security concer
Page 19 and 20: and a private key. The public key,
Page 21 and 22: third party intermediary. Value add
Page 23 and 24: Security policy responses were gene
Page 25 and 26: I access the public Internet. 3.07
Page 27 and 28: the number of individuals with that
Page 29 and 30: Figure 1. Security Issues and Respo
Page 31 and 32: http://www.infosecnews.com. This re
Page 33 and 34: latest Internet Domain Survey (Inte
Page 35 and 36: sensitive data such as credit card
Page 37 and 38: 2) Before connecting a local comput
Page 39 and 40: There are several issues regarding
Page 41 and 42: without confidentiality) to IPv6 pa
Page 43 and 44: Hicks, Roger (1996). "Submission to
Page 45 and 46: creates the perception in many peop
Page 47 and 48: consumers and the supplier. With th
Page 49 and 50: 6. Trust needs touch and personal c
Page 51 and 52: Confidence A number of researchers
Page 53 and 54:
Risk and Trust Risk is an essential
Page 55 and 56:
to interception and modification wh
Page 57 and 58:
trust (1.0) or complete distrust (.
Page 59 and 60:
A degree of uncertainty appears to
Page 61 and 62:
employees must be trusted to regula
Page 63 and 64:
transactions can be at various stag
Page 65 and 66:
electronic networks are secured in
Page 67 and 68:
• We trust, with cautious faith,
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zones according to their products (
Page 71 and 72:
• Assigned tasks are non-routine
Page 73 and 74:
ased trust requires a move from kno
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Web. WebTrust provides the framewor
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London. Deutsch M. (1958) "Trust an
Page 79 and 80:
Zand D.E. (1972) "Trust and Manager
Page 81 and 82:
These techniques and methods operat
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• The primary object of security
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category. Only two systems in the w
Page 87 and 88:
• Evaluation of technical physica
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• EAL2 - structurally tested •
Page 91 and 92:
Integration Principle Measures, pra
Page 93 and 94:
usiness or computing environment. M
Page 95 and 96:
A systematic approach would reduce
Page 97 and 98:
• General and specific responsibi
Page 99 and 100:
''Critical/Essential" to "No benefi
Page 101 and 102:
must be prepared very carefully and
Page 103 and 104:
O and M only are authorised to cont
Page 105 and 106:
References Amoroso, E. (1994). Fund
Page 107 and 108:
von Solms, R. (1999). ''The Informa
Page 109 and 110:
Figure 1. Basic Web Client-Server M
Page 111 and 112:
Communication or network security i
Page 113 and 114:
activities. These log files must be
Page 115 and 116:
Dependencies of Security Services c
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• User authentication. The users
Page 119 and 120:
In a communication network (such as
Page 121 and 122:
has not been altered during transmi
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S-HTTP is also more flexible than S
Page 125 and 126:
The components of this set represen
Page 127 and 128:
Figure 11. Directory-based Security
Page 129 and 130:
distinguished names (RDNs) of the a
Page 131 and 132:
Figure 14. User-Role and Role Permi
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• trust management. Figure 16 dep
Page 135 and 136:
assignment are stored in the direct
Page 137 and 138:
Microsoft Corporation (1999). Activ
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use. For the most part the many and
Page 141 and 142:
Obtaining cryptographic tools depen
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honour and reputation. Everyone has
Page 145 and 146:
Figure 1 Figure 2 send a secure mes
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data to be encrypted or decrypted.
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Figure 5. algorithm with a key spac
Page 151 and 152:
Everyone has heard the phrase ''if
Page 153 and 154:
Then the second would be: exactly w
Page 155 and 156:
possible. 16 Cracking DES: Secrets
Page 157 and 158:
Statements of this nature can be fo
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2. The above assertion is only true
Page 161 and 162:
As we have seen, non-repudiation re
Page 163 and 164:
the host. Physical security would p
Page 165 and 166:
A second paradigm shift occurred be
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etween A and B and if X is a messag
Page 169 and 170:
of this list has to be protected by
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een evaluated to level E6 (UK ITSEC
Page 173 and 174:
The foundations that anchor cryptog
Page 175 and 176:
UK ITSEC Scheme. (1999). UK Certifi
Page 177 and 178:
Scope of This Chapter However, desp
Page 179 and 180:
The National Standards bodies (memb
Page 181 and 182:
• SC17: Identification cards and
Page 183 and 184:
those not appropriately authorised.
Page 185 and 186:
and Pervasive security mechanisms,
Page 187 and 188:
. Proprietary name(s) of algorithm.
Page 189 and 190:
and hence P = dK(eK(P)). Electronic
Page 191 and 192:
Encipherment operates as follows. F
Page 193 and 194:
• Method 2 (also known as Ciphert
Page 195 and 196:
More specifically, if the n-bit dat
Page 197 and 198:
• A new (3rd) padding method has
Page 199 and 200:
information. The output is the MAC
Page 201 and 202:
Overview The ISO/IEC 9796 standard
Page 203 and 204:
discarded. Finally the least signif
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2. Message recovery. This step yiel
Page 207 and 208:
ISO/IEC 9796-2 was published in 199
Page 209 and 210:
• ISO/IEC 14888-1: 1998: General,
Page 211 and 212:
scheme are specified in the standar
Page 213 and 214:
If V = R then the signature is veri
Page 215 and 216:
Method 1 (Single Length Hash-Codes)
Page 217 and 218:
ISO/IEC 10118-4 (Modular arithmetic
Page 219 and 220:
To protect a message in a protocol,
Page 221 and 222:
These sequence numbers take the rol
Page 223 and 224:
The mechanism has two message passe
Page 225 and 226:
This example can be found in clause
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protocol is used for time synchroni
Page 229 and 230:
• Non-repudiation of delivery, pr
Page 231 and 232:
We now consider the multi-part ISO/
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Key establishment includes key agre
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valid. This is typically done by me
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combine them mean that neither enti
Page 239 and 240:
this implies that F(·,g) is one-wa
Page 241 and 242:
Other Standards A multi-part standa
Page 243 and 244:
ISO. (1994b). ISO/IEC 9798-2, Infor
Page 245 and 246:
ISO. (1999a). ISO/IEC DIS 9594-8, I
Page 247 and 248:
Regardless of what many employees m
Page 249 and 250:
State and local public employees al
Page 251 and 252:
wrongful discharge in violation of
Page 253 and 254:
one expert puts it, a hacker ''has
Page 255 and 256:
printing and saving the hard copies
Page 257 and 258:
protection in the event employee e-
Page 259 and 260:
Coie, Perkins. (1999). Does Your Em
Page 261 and 262:
G. David Garson. Idea Group Publish
Page 263 and 264:
Restuccia v. Burk Technologies, Inc
Page 265 and 266:
distinguished from the application
Page 267 and 268:
Electronic mail poses the most imme
Page 269 and 270:
interferences with individual priva
Page 271 and 272:
However, such restrictions are just
Page 273 and 274:
Principle 12 deals with unique iden
Page 275 and 276:
conceptual barrier, certain difficu
Page 277 and 278:
Another recommendation targets the
Page 279 and 280:
Privacy Commissioner's office, that
Page 281 and 282:
Finally the existing obligations re
Page 283 and 284:
16 See infra. 17 Several Internatio
Page 285 and 286:
Mark Sweat is a consultant and anal
Page 287 and 288:
Chapter 7 Dieter Gollmann was a sci
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