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Thinking Security: Stopping Next Year's Hackers
- By Steven M. Bellovin
- Published Dec 3, 2015 by Addison-Wesley Professional. Part of the Addison-Wesley Professional Computing Series series.
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Description
- Copyright 2016
- Dimensions: 7" x 9-1/8"
- Pages: 400
- Edition: 1st
- eBook
- ISBN-10: 0-13-427825-9
- ISBN-13: 978-0-13-427825-4
If you’re a security or network professional, you already know the “do’s and don’ts”: run AV software and firewalls, lock down your systems, use encryption, watch network traffic, follow best practices, hire expensive consultants . . . but it isn’t working. You’re at greater risk than ever, and even the world’s most security-focused organizations are being victimized by massive attacks.
In Thinking Security, author Steven M. Bellovin provides a new way to think about security. As one of the world’s most respected security experts, Bellovin helps you gain new clarity about what you’re doing and why you’re doing it. He helps you understand security as a systems problem, including the role of the all-important human element, and shows you how to match your countermeasures to actual threats. You’ll learn how to move beyond last year’s checklists at a time when technology is changing so rapidly.
You’ll also understand how to design security architectures that don’t just prevent attacks wherever possible, but also deal with the consequences of failures. And, within the context of your coherent architecture, you’ll learn how to decide when to invest in a new security product and when not to.
Bellovin, co-author of the best-selling Firewalls and Internet Security, caught his first hackers in 1971. Drawing on his deep experience, he shares actionable, up-to-date guidance on issues ranging from SSO and federated authentication to BYOD, virtualization, and cloud security.
Perfect security is impossible. Nevertheless, it’s possible to build and operate security systems far more effectively. Thinking Security will help you do just that.
Sample Content
Table of Contents
Preface xi
Part I: Defining the Problem 1
Chapter 1: Introduction 3
1.1 Changes 3
1.2 Adapting to Change 5
1.3 Security Analysis 9
1.4 A Few Words on Terminology 12
Chapter 2: Thinking About Security 15
2.1 The Security Mindset 15
2.2 Know Your Goals 17
2.3 Security as a Systems Problem 21
2.4 Thinking Like the Enemy 25
Chapter 3: Threat Models 31
3.1 Who’s Your Enemy? 31
3.2 Classes of Attackers 34
3.3 Advanced Persistent Threats 36
3.4 What’s at Risk? 40
3.5 The Legacy Problem 42
Part II: Technologies 43
Chapter 4: Antivirus Software 45
4.1 Characteristics 45
4.2 The Care and Feeding of Antivirus Software 51
4.3 Is Antivirus Always Needed? 53
4.4 Analysis 57
Chapter 5: Firewalls and Intrusion Detection Systems 61
5.1 What Firewalls Don’t Do 61
5.2 A Theory of Firewalls 63
5.3 Intrusion Detection Systems 69
5.4 Intrusion Prevention Systems 71
5.5 Extrusion Detection 72
5.6 Analysis 76
Chapter 6: Cryptography and VPNs 81
6.1 Cryptography, the Wonder Drug 81
6.2 Key Distribution 84
6.3 Transport Encryption 85
6.4 Object Encryption 89
6.5 VPNs 92
6.6 Protocol, Algorithm, and Key Size Recommendations 97
6.7 Analysis 104
Chapter 7: Passwords and Authentication 107
7.1 Authentication Principles 107
7.2 Passwords 108
7.3 Storing Passwords: Users 115
7.4 Password Compromise 120
7.5 Forgotten Passwords 121
7.6 Biometrics 124
7.7 One-Time Passwords 128
7.8 Cryptographic Authentication 132
7.9 Tokens and Mobile Phones 134
7.10 Single-Sign-On and Federated Authentication 137
7.11 Storing Passwords: Servers 139
7.12 Analysis 143
Chapter 8: PKI: Public Key Infrastructures 149
8.1 What’s a Certificate? 149
8.2 PKI: Whom Do You Trust? 151
8.3 PKI versus PKI 155
8.4 Certificate Expiration and Revocation 160
8.5 Analysis 166
Chapter 9: Wireless Access 169
9.1 Wireless Insecurity Myths 169
9.2 Living Connected 175
9.3 Living Disconnected 178
9.4 Smart Phones, Tablets, Toys, and Mobile Phone Access 179
9.5 Analysis 180
Chapter 10: Clouds and Virtualization 185
10.1 Distribution and Isolation 185
10.2 Virtual Machines 186
10.3 Sandboxes 188
10.4 The Cloud 192
10.5 Security Architecture of Cloud Providers 193
10.6 Cloud Computing 194
10.7 Cloud Storage 195
10.8 Analysis 197
Part III: Secure Operations 203
Chapter 11: Building Secure Systems 205
11.1 Correct Coding 206
11.2 Design Issues 210
11.3 External Links 213
11.4 Trust Patterns 217
11.5 Legacy Systems 220
11.6 Structural Defenses 222
11.7 Security Evaluations 225
Chapter 12: Selecting Software 229
12.1 The Quality Problem 229
12.2 Selecting Software Wisely 233
Chapter 13: Keeping Software Up to Date 239
13.1 Holes and Patches 239
13.2 The Problem with Patches 242
13.3 How to Patch 243
Chapter 14: People 247
14.1 Employees, Training, and Education 248
14.2 Users 251
14.3 Social Engineering 253
14.4 Usability 256
14.5 The Human Element 263
Chapter 15: System Administration 267
15.1 Sysadmins: Your Most Important Security Resource 267
15.2 Steering the Right Path 269
15.3 System Administration Tools and Infrastructure 272
15.4 Outsourcing System Administration 275
15.5 The Dark Side Is Powerful 276
Chapter 16: Security Process 279
16.1 Planning 279
16.2 Security Policies 280
16.3 Logging and Reporting 283
16.4 Incident Response 287
Part IV: The Future 291
Chapter 17: Case Studies 293
17.1 A Small Medical Practice 293
17.2 An E-Commerce Site 295
17.3 A Cryptographic Weakness 298
17.4 The Internet of Things 301
Chapter 18: Doing Security Properly 309
18.1 Obsolescence 309
18.2 New Devices 310
18.3 New Threats 311
18.4 New Defenses 312
18.5 Thinking about Privacy 313
18.6 Putting It All Together 314
References 317
Index 355
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