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Privacy: What Developers and IT Professionals Should Know

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Privacy: What Developers and IT Professionals Should Know

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From a leader in the field, the first book on how to build privacy safeguards into web sites and applications, a topic of growing importance

° Shows how to identify privacy problem areas and implement privacy features

° Describes how to build applications that are privacy aware

° Author is one of the top experts on privacy, managing the corporate privacy group at Microsoft

° The cost to businesses of not taking privacy into account when building applications is too great to ignore


  • Copyright 2005
  • Edition: 1st
  • Premium Website
  • ISBN-10: 0-321-22409-4
  • ISBN-13: 978-0-321-22409-5

Praise for J.C. Cannon's Privacy

"A wonderful exploration of the multifaceted work being done to protect the privacy of users, clients, companies, customers, and everyone in between."

—Peter Wayner, author of Translucent Databases

"Cannon provides an invaluable map to guide developers through the dark forest created by the collision of cutting-edge software development and personal privacy."

—Eric Fredericksen, Sr. Software Engineer, PhD., Foundstone, Inc.

"Cannon's book is the most comprehensive work today on privacy for managers and developers. I cannot name any technical areas not covered. No practitioners should miss it."

—Ray Lai, Principal Engineer, Sun Microsystems, Inc., co-author of Core Security Patterns and author of J2EE Platform Web Services

"Every developer should care deeply about privacy and this is the best book I've read on the subject. Get it, read it, and live it."

—Keith Ballinger, Program Manager, Advanced Web Services, Microsoft

"J.C. Cannon's book demonstrates that information and communication technology can contribute in a significant way to restoring individual privacy and raises more awareness of the complexity and importance of this societal problem."

—Dr. John J. Borking, Former Commissioner and Vice-President of the Dutch Data Protection Authority

"If you are planning, implementing, coding, or managing a Privacy campaign in your company or your personal computing, there is no more relevant reference. J.C. Cannon nails the issues."

—Rick Kingslan, CISSP, Microsoft MVP-Windows Server: Directory Services and Right Management, West Corporation

"It's often been said that security is a process, not a product. Privacy is no different! Unlike other privacy books, J.C. Cannon's book has something valuable to convey to everyone involved in the privacy process, from executives to designers and developers, many of whom aren't thinking about privacy but should be."

—Keith Brown, Co-founder of Pluralsight and author of The .NET Developer's Guide to Windows Security and Programming Windows Security

"J.C. Cannon's new book on electronic privacy is an important addition to the available works in this emerging field of study and practice. Through many humorous (and occasionally frightening) examples of privacy gone wrong, J.C. helps you better understand how to protect your privacy and how to build privacy awareness into your organization and its development process. Keenly illustrating both the pros and cons of various privacy-enhancing and potentially privacy-invading technologies, J.C.'s analysis is thorough and well-balanced. J.C. also explains many of the legal implications of electronic privacy policies and technologies, providing an invaluable domestic and international view."

—Steve Riley, Product Manager, Security Business and Technology Unit, Windows Division, Microsoft

"Privacy concerns are pervasive in today's high-tech existence. The issues covered by this book should be among the foremost concerns of developers and technology management alike."

—Len Sassaman, Security Architect, Anonymizer, Inc.

You're responsible for your customers' private information. If you betray their trust, it can destroy your business. Privacy policies are no longer enough. You must make sure your systems truly protect privacy—and it isn't easy. That's where this book comes in.

J.C. Cannon, Microsoft's top privacy technology strategist, covers every facet of protecting customer privacy, both technical and organizational. You'll learn how to systematically build privacy safeguards into any application, Web site, or enterprise system, in any environment, on any platform. You'll discover the best practices for building business infrastructure and processes that protect customer privacy. You'll even learn how to help your customers work with you in protecting their own privacy. Coverage includes

  • How privacy and security relate—and why security isn't enough
  • Understanding your legal obligations to protect privacy
  • Contemporary privacy policies, privacy-invasive technologies, and privacy-enhancing solutions
  • Auditing existing systems to identify privacy problem areas
  • Protecting your organization against privacy intrusions
  • Integrating privacy throughout the development process
  • Developing privacy-aware applications: a complete sample application
  • Building a team to promote customer privacy: staffing, training, evangelization, and quick-response
  • Protecting data and databases via role-based access control
  • Using Digital Rights Management to restrict customer information
  • Privacy from the customer's standpoint: spam avoidance, P3P, and other tools and resources

Whether you're a manager, IT professional, developer, or security specialist, this book delivers all the information you need to protect your customers—and your organization.

The accompanying CD-ROM provides sample privacy-enabling source code and additional privacy resources for developers and managers.

J. C. CANNON, privacy strategist at Microsoft's Corporate Privacy Group, specializes in implementing application technologies that maximize consumer control over privacy and enable developers to create privacy-aware applications. He works closely with Microsoft product groups and external developers to help them build privacy into applications. He also contributed the chapter on privacy to Michael Howard's Writing Secure Code (Microsoft Press 2003). Cannon has spent nearly twenty-five years in software development.

© Copyright Pearson Education. All rights reserved.

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Table of Contents


1. An Overview of Privacy.

    Who's Watching Our Data?

    Technologies That Communicate with the Internet.

    Investigating Applications.

    Defining Privacy.

    Answering the Call for Privacy.

    The Path to Trustworthiness.

    The Privacy Mantras.

    Valuing Privacy.



2. The Importance of Privacy-Enhancing and Privacy-Aware Technologies.

    The Goal of PATs and PETs: The Constant Pursuit of Anonymity.

    Privacy-Enhancing Technologies.

      Anonymizers and Pseudonymizers.

      History-Clearing Tools.

      Popup Blockers.



      Cookie Managers.

      Secure File Deletion.

      Online Privacy Protection Suites.

    Privacy-Aware Technologies.

      The Importance of Privacy-Aware Solutions.

      Finding Business Value in Privacy-Aware Solutions.

      Privacy Features.

      Privacy Statement.

      P3P Integration.

      Privacy Settings.

      Centralized Privacy Setting Management.

      Ability to View Data to Be Transmitted to the Internet.

      Clear Tracks and Personal Info.

      Documentation of Privacy-Related Data.

      Unsubscribe Feature.

       Access Control.



3. Privacy Legislation.

    Regulations Changing the Way Companies Do Business.



      Alexa Internet.

      Microsoft Office 2003.

    Major Privacy Legislation.

      Organisation for Economic Co-operation and Development (OECD).

      EU Directive on Data Protection.

      Personal Information Protection and Electronic Document Act (PIPEDA).

      The U.S. Safe Harbor Privacy Principles.

      Children's Online Privacy Protection Act (COPPA).

      Computer Fraud and Abuse Act (CFAA).

      Gramm-Leach-Bliley Act (GLBA).

      Health Insurance Portability and Accountability Act (HIPAA).

    Privacy-Certification Programs.


4. Managing Windows Privacy.

    Privacy Disclosure Documents for Microsoft Windows.

      Management Papers.

      First Privacy Statement.

    Using Group Policy for Centralized Setting Management.

    Online Help and Top Issues.

    Windows Error Reporting.

      Using the Windows Error Reporting Dialog.

      Using Group Policy to Manage Windows Error Reporting.

    Automatic Updates.

      Configure Automatic Updates.

      Specify Intranet Microsoft Update Service Location.

      Reschedule Automatic Updates Scheduled Installations.

      No Auto-Restart for Scheduled Automatic Updates Installations.

    My Recent Documents.

    Windows Media Player 9.

    Microsoft Office 2003.

      Microsoft Office 2003 Online Settings.

      Microsoft Word 2003 Metadata Settings.

      Microsoft Office Remove Hidden Data Tool.

    Creating a Custom ADM File.

    Creating a Custom GPO for Privacy.



5. Managing Spam.

    Spam As a Privacy Issue.

    The Cost of Spam.

    Spam Litigation.

    What Can Be Done to Fight Spam.




    Antispam Approaches.

      Challenge-Response for Account Creation.

      Client-Side Antispam Solutions.

      Spam and Infected Attachments.

    Server-Side Antispam Solutions.

      Block List Companies.

      Antispam Server Software.

    Developing E-Mail-Friendly Solutions.

    Protecting Legitimate Bulk E-Mail.



6. Privacy-Invasive Devices.

    Radio Frequency Identification (RFID) Tags.

      Blocking RFID Tags.

      Subdermal RFID Devices.

      Other RFID Tag Uses.

      Market Acceptance of RFID Tags.

      Problems with RFID Tags.

      RFID Tags and Privacy Concerns.

      Obtaining RFID Tags.

    Radar-Based Through-the-Wall Surveillance System.

    Spotme Conferencing Device.

    nTAG Smart ID Badges.

    Smart Dust.

    Devices That Look Under Clothing.

      Passive Millimeter Wave Scanners.

      Backscatter X-Ray Devices.

    A Legal View of New Technology.



7. Building a Privacy Organizational Infrastructure.

    The Absence of a Privacy Infrastructure Can Be Costly.

    Understanding Your Company's Data Handling Practices.

    The Chief Privacy Officer.

    The Corporate Privacy Group.

      Creating a Corporate Privacy Policy.

      Providing Privacy Training.

      The Flow of Privacy Policy to Departments.

    Building a Privacy Hierarchy for Developing Solutions.

      Creating a Privacy Council.

      Privacy Leads.

      Developing a Privacy Standard.


8. The Privacy Response Center.

    Providing Customer Service for Privacy Issues.

    Handling Privacy Issues.

    The Importance of a Privacy Response Center.

    Organizing a Privacy Response Center.

      Integrating the PRC with Product Groups.

      Working with Foreign Subsidiaries.

    PRC Workflow.

    Technology Description.

      Recording Privacy Issues.

      Online Privacy Form.

    Improving the Privacy Response Process.

    Determining Resources.



9. Platform for Privacy Preferences Project (P3P).

    Surveillance: Good or Bad?

    Introducing P3P for Expressing Web Site Privacy.

    Deploying P3P at a Web Site.

      The P3P Reference File.

       P3P Policy File.

      P3P Compact Policy.

    Browsers and P3P Integration.

      Internet Explorer.



      Mozilla Firebird.



      AT&T Privacy Bird.

    P3P Creation Tools.

      P3P Policy Editor.

      P3P Validator.


      Joint Research Centre.

    A P3P Preference Exchange Language (APPEL).



10. Integrating Privacy into the Development Process.

    Getting Started.

      Start with a Solid Infrastructure.

      Get Privacy Training.

      Create a Plan.

      Privacy-Process Flowchart.

    Integrating Privacy into Development.

      The Documents.

      Design Phase.

      Feature Complete.

      Development Phase.

      Test Phase.

      Code Complete.

      Beta Release.

      Product Release.

      Privacy Response Team.

      Creating a Deployment Guide.

    The Privacy Specification.

      Data Analysis.

      Usage Analysis.

      Security Analysis.

      User Control Analysis.

      User Access Analysis.

      Disclosure Plan.

      Dependency Analysis.

      Phone Home Disclosure.

      Entity Description.

    The Privacy Review.

      Starting the Privacy Review.

      Management by Exception.

       Who Should be Involved?

      Running the Meeting.

      Privacy Review Scope.

      Privacy Review Template.


11. Performing a Privacy Analysis.

    Helpful Hints for Diagramming.

      Number Processes, Data Stores, and Dataflows.

      Use Underscores to Connect Words in a Title When Creating Documentation.

      Use a Prefix on Names or Identifiers to Avoid Confusion.


    Context-Level Application Decomposition.

    Level 0 Application Decomposition.

    Privacy Boundaries.

    Rolling Up an Application Decomposition.

      An Application Decomposition Rollup Example.

      Complex Rollups.


12. A Sample Privacy-Aware Application.

    Program Design.

      F_1.0 User requests.

      F_2.0 User responses.

      F_3.0 Displ priv stat req.

      F_ 4.0 Online data requests.

      F_ 5.0 Priv report data.

      F_6.0 Config data.

      D_ 1.0 Local registry.

      D_ 2.0 PrivacyReport.txt.

    Installing the Application.

    Sample Files.

      Privacy Folder.

      W3C Folder.

      PSample Folder.

      PSample/Release Folder.

      PSample/Res Folder.

    Privacy Disclosure.

      The Privacy Statement.

      P3P Integration.

    Privacy Settings.

      Tying Privacy Settings to Group Policy.

    Encrypting Local Data.


13. Protecting Database Data.

    Physical Security.

    Programmatic Security.

      Using Row-Level Security to Protect Data.

      Using Column-Level Security to Protect Data.

    Transaction Auditing.

    Data Minimization.

      Data Reduction.

      Data Retention Policy.

      Data Classification and Isolation.

    Translucent Databases.

    Data Obfuscation.

    Data Quantization.

    Query Limitation.

      Data Re-identification.

      Result-Set Limitation.

      Column-Count Limitation.

      Query-Type Limitation.



      Determining What to Encrypt.

      Selecting the Right Encryption Algorithm.

      Determining the Encryption Key Length to Use.

    Data Perturbation.

      Type A Bias.

      Type B Bias.

      Type C Bias.

      Type D Bias.

      Perturbation Techniques.

      Advanced Perturbation Techniques.

    Hippocratic Databases.

      Synomos Align.

      IBM Tivoli Privacy Manager.


14. Managing Access to Data: A Coding Example.

    Program Overview.

      Categorizing the Columns of a Table.

      Categorizing the Rows of a Table.

      Encrypting Data.

    Program Files.

      DrOffice Folder.

      Privacy Folder.

      SQL Folder.

    Setting Up the Application.

      Setting Up the Web Files.

      Setting Up the Database.

      Setting Up Authorization Manager.

      Setting Up CAPICOM.

    Testing the Database Version of the Application.

      Viewing Resumés.

      Viewing Patient Information.

    Testing the Authorization Manager Version of the Application.


15. Digital Rights Management.

    The Digital Millennium Copyright Act.

    The Use of DRM to Defend Privacy.

    DRM, Copy-Protection Redux.

    Rights Management Languages.

      Digital Property Rights Language (DPRL).

      eXtensible Media Commerce Language (XMCL).

      eXtensible Rights Markup Language (XrML).

      Open Digital Rights Language (ODRL).

      Making a Choice.




    Rights Management Applications.

      Electronic Media Management System.


      Windows Rights Management Services.

      Information Rights Management.

    Developing DRM Solutions.

      ContentGuard XrML SDK.

      Nokia Content Publishing Toolkit.

      Open Digital Rights Language.

      Windows Rights Management Client SDK.

      Windows Rights Management Services SDK.


A. Privacy Section for a Feature Specification.


      Privacy Impact.


      Impact Description.

      Client-Side Component.

      Web Service Component.

B. Privacy Review Template.

C. Data Analysis Template.

D. List of Privacy Content.

E. Privacy Checklist.



    Onward Transfer.



    Data Integrity.


F. Privacy Standard.



    Corporate Privacy Policy.

    Follow Fair Information Practices.

    Prominent Disclosure.


    Collection of Data.

    Retention Policy.

G. References.


      Antispam Software and Information.

      Anti-Spyware Software and Information.

      Kids' Privacy.

      Privacy Advocacy and Consulting Groups.

      Privacy Certification Programs.

      Privacy Gatherings.

      Privacy Journals.

      Privacy Surveys.

      Privacy Tools and Technology Companies.

      Privacy Training.


      The Fight Against the Invasion of Privacy.

      Privacy Policy.

      Privacy Technology.

       Protecting Online and Personal Privacy.

      Security and Privacy.



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