Bestselling author Bruce Schneier offers his expert guidance on achieving security on a network
Internationally recognized computer security expert Bruce Schneier offers a practical, straightforward guide to achieving security throughout computer networks. Schneier uses his extensive field experience with his own clients to dispel the myths that often mislead IT managers as they try to build secure systems. This practical guide provides readers with a better understanding of why protecting information is harder in the digital world, what they need to know to protect digital information, how to assess business and corporate security needs, and much more.
* Walks the reader through the real choices they have now for digital security and how to pick and choose the right one to meet their business needs
* Explains what cryptography can and can't do in achieving digital security

Bruce Schneier is the founder and CTO of Counterpane Internet Security, Inc., the recognized leader in network security services. The bestselling author of Beyond Fear: Thinking Sensibly About Security in an Uncertain World and Applied Cryptography, he is an internationally respected security expert.

Preface xi

1. Introduction 1

Part 1: The Landscape 11

2. Digital Threats 14

3. Attacks 23

4. Adversaries 42

5. Security Needs 59

Part 2: Technologies 83

6. Cryptography 85

7. Cryptography in Context 102

8. Computer Security 120

9. Identification and Authentication 135

10. Networked-computer Security 151

11. Network Security 176

12. Network Defenses 188

13. Software Reliability 202

14. Secure Hardware 212

15. Certificates and Credentials 225

16. Security Tricks 240

17. The Human Factor 255

Part 3: Strategies 271

18. Vulnerabilities and the Vulnerability Landscape 274

19. Threat Modeling and Risk Assessment 288

20. Security Policies and Countermeasures 307

21. Attack Trees 318

22. Product Testing and Verification 334

23. The Future of Products 353

24. Security Processes 367

25. Conclusion 389

Afterword 396

Resources 399

Acknowledgments 401

Index 403