Skip to Content
Computer Security Handbook, Fifth Edition
book

Computer Security Handbook, Fifth Edition

by SEYMOUR BOSWORTH, ERIC WHYNE, M.E. KABAY
February 2009
Intermediate to advanced
2048 pages
80h 12m
English
Wiley
Content preview from Computer Security Handbook, Fifth Edition

CHAPTER 17

MOBILE CODE

Robert Gezelter

17.1 INTRODUCTION

17.1.1 Mobile Code from the World Wide Web

17.1.2 Motivations and Goals

17.1.3 Design and Implementation Errors

17.2 SIGNED CODE

17.2.1 Authenticode

17.2.2 Fundamental Limitations of Signed Code

17.2.3 Specific Problems with the ActiveX Security Model

17.2.4 Case Studies

17.3 RESTRICTED OPERATING ENVIRONMENTS

17.3.1 Java

17.4 DISCUSSION

17.4.1 Asymmetric, and Transitive or Derivative, Trust

17.4.2 Misappropriation and Subversion

17.4.3 Multidimensional Threat

17.4.4 Client Responsibilities

17.4.5 Server Responsibilities

17.5 SUMMARY

17.6 FURTHER READING

17.7 NOTES

17.1 INTRODUCTION.

At its most basic, mobile code is a set of instructions that are delivered to a remote computer for dynamic execution. The problems with mobile code stem from its ability to do more than just display characters on the remote display.

It is this dynamic nature of mobile code that causes policy and implementation difficulties. A blanket prohibition on mobile code is secure, but that prohibition would prevent users of the dynamic Web from performing their tasks. It is this tension between integrity and dynamism that is at the heart of the issue.

The ongoing development of computer-based devices, particularly personal digital assistants (PDAs) and mobile phones, has broadened the spectrum of devices that use mobile code, and therefore are vulnerable to related exploits. The advent of the Apple iPhone in 2007 highlighted this hazard.1

Several definitions, ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services

QuotationMarkO’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.
Julian F.
Head of Cybersecurity
QuotationMarkI wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.
Addison B.
Field Engineer
QuotationMarkI’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.
Amir M.
Data Platform Tech Lead
QuotationMarkI'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Mark W.
Embedded Software Engineer

You might also like

Computer and Information Security Handbook, 3rd Edition

Computer and Information Security Handbook, 3rd Edition

John R. Vacca
Defensive Security Handbook, 2nd Edition

Defensive Security Handbook, 2nd Edition

Lee Brotherston, Amanda Berlin, William F. Reyor

Publisher Resources

ISBN: 9780471716525Purchase book