Disaster Recovery Principles and Practices

by Wells, April; Walker, Charlyne; Walker, Timothy; Abarca, David

Edition: 1st

ISBN13: 9780131711273

ISBN10: 013171127X

Format: Paperback

Pub. Date: 2006-09-22

Publisher(s): Pearson

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Summary

Hurricanes, tsumanis, terrorism, wars, and power outages make headlines every day. Is your business or organization prepared to survive and carry on in the wake of any type of disaster-natural or man-made? Disaster Recovery: Principles and Practices provides a complete course in developing and implementing a disaster recovery plan, including: Choosing a recovery team and defining the tasks and notification mechanisms they will need to perform. Assessing risks and prioritizing them based on their potential business impact. Prioritizing your organization's functions and assets so they can be handled in a systematic manner during recovery. A solution for data backup and storage that enables data to be recovered quickly and efficiently. Creating appropriate Service Level Agreements and developing sound organizational structure so you can quickly recover and get up and running again. How to practice implementing a disaster recovery plan, including testing its effectiveness and preparing for implementation in an emergency setting. Continued assessment of needs, threats, and solutions. Book jacket.

Security Series Walk-Through	p. xv
Preface	p. xvii
About the Authors	p. xxi
Acknowledgments	p. xxii
Quality Assurance	p. xxii
Introduction to Disaster Recovery	p. 1
Why Disaster Recovery?	p. 2
Business Functions	p. 6
Critical Support Functions	p. 6
Corporate-Level Support Functions	p. 6
What Is a Disaster?	p. 6
What Kinds of Disasters Are There?	p. 9
Lack of Computer Security	p. 10
Death of Key Employees	p. 10
Strikes	p. 11
Accidents	p. 11
Spills	p. 12
Explosions	p. 13
Technological Breakdowns	p. 13
Sabotage and Terrorism	p. 15
What Are the Possible Effects of a Disaster?	p. 16
Within the Organization	p. 17
External to the Organization	p. 18
What Is Business Continuity Planning?	p. 19
Summary	p. 20
Test Your Skills	p. 21
Preparing to Develop the Disaster Recovery Plan	p. 28
Why Plan?	p. 29
Direct Pressure	p. 30
Indirect Pressure	p. 30
Establishing the Team	p. 30
Getting Management Support	p. 33
The Need for Ongoing Departmental Support	p. 34
Team Members	p. 35
Recovery Manager	p. 35
Facilities Coordinator	p. 37
Technical Coordinator	p. 37
Administrative Coordinator	p. 38
Network Coordinator	p. 38
Applications Coordinator	p. 38
Computer Operations Coordinator	p. 39
DR Team Sub-Teams	p. 40
Management Team	p. 40
Business Recovery Team	p. 40
Departmental Recovery Team	p. 41
Computer Recovery Team	p. 42
Damage Assessment Team	p. 42
Security Team	p. 43
Facilities Support Team	p. 44
Administrative Support Team	p. 44
Logistics Support Team	p. 45
User Support Team	p. 45
Computer Backup Team	p. 46
Offsite Storage Team	p. 46
Software Recovery Team	p. 47
Communications Team	p. 47
Applications Team	p. 47
Computer Restoration Team	p. 48
Human Resources Team	p. 48
Marketing and Customer Relations Team	p. 48
Other Teams	p. 49
Characteristics of Team Members	p. 49
External Team Members	p. 49
Creating a Notification Directory	p. 51
Securing and Preparing Resources	p. 51
Alphawest	p. 52
Affiliated Computer Services Inc (ACS)	p. 53
IBM	p. 53
Team Tasks	p. 54
Auditing Current Vulnerability	p. 54
Determining What Actions to Complete Now	p. 54
Creating Recovery Teams and Test Plans	p. 55
Summary	p. 55
Test Your Skills	p. 55
Assessing Risk and Impact	p. 61
Defining Risk	p. 62
Risk Assessment	p. 62
Risk Management	p. 64
Emergency Situation or Event	p. 66
Choosing the Assessment Method	p. 71
Matching the Response to the Threat	p. 72
Identifying Mission-Critical Processes and Systems	p. 72
Evaluating Critical Functions	p. 72
Setting Priorities Based on Time Horizons	p. 72
Implementing Disaster Avoidance	p. 73
Avoiding Disasters through Effective Preventive Planning	p. 73
Creating Contingency Plans for Unavoidable Threats	p. 74
Disaster-based Risk Assessment	p. 74
Identify Hazards or Risks	p. 76
Assess and Prioritize Risks	p. 79
Develop Controls and Make Risk Decisions	p. 81
Implement a Risk-Handling Plan and Controls	p. 82
Evaluate, Track, and Report	p. 82
Asset-based Risk Assessment	p. 84
Asset Assessment	p. 84
Threat Assessment	p. 85
Vulnerability Assessment	p. 89
Risk Assessment	p. 90
Controls	p. 91
The Business Impact Analysis	p. 91
Business Impact	p. 92
How the Assessment Works	p. 94
Octave Risk Assessment	p. 98
Create a Threat Profile	p. 99
Identify Infrastructure Vulnerabilities	p. 100
Develop a Security Strategy	p. 101
Summary	p. 101
Test Your Skills	p. 102
Prioritizing Systems and Functions for Recovery	p. 107
Identifying and Prioritizing Assets and Functions	p. 108
Identifying Critical Assets	p. 108
Identifying Functions and Processes	p. 115
Prioritizing Disaster Recovery Planning Efforts	p. 120
Processes or Functions that Create Assets	p. 120
Processes or Functions that Protect Assets	p. 122
Determining What to Recover When	p. 122
	p. 123
	p. 124
	p. 125
Conducting Dependency Analysis	p. 126
Defining Disaster Declaration Threshold Criteria	p. 127
Summary	p. 130
Test Your Skills	p. 131
Identify Data Storage and Recovery Sites	p. 136
Data Backup	p. 137
How to Back Up Your Data	p. 137
When to Back Up Your Data	p. 138
How Often to Back Up Your Data	p. 139
Where to Store Backups	p. 140
Information as an Asset	p. 142
Recovery Site Alternatives	p. 145
Function	p. 145
Written Agreements	p. 150
Alternative Site Selection Criteria	p. 154
Number of Sites Available	p. 154
Distance from Site	p. 155
Facilities	p. 155
Cost	p. 157
Contract	p. 158
Designing Recovery Solutions	p. 158
Establishing a Disaster Recovery Site	p. 159
Selecting Backup and Restoration Strategies	p. 161
Storage Backup and Recovery Tools	p. 164
Restoring Communications and Recovering Users	p. 167
Summary	p. 170
Test Your Skills	p. 171
Developing Plans, Procedures, and Relationships	p. 177
What Documents Will You Need?	p. 178
Collecting Contact Information	p. 180
Computer Vendor	p. 180
Suppliers	p. 181
Emergency Services	p. 181
Customers	p. 182
Key DR Personnel	p. 182
Management for the Organization	p. 183
Evaluating Your Support Tools	p. 183
People	p. 183
Supplies	p. 183
Proof That Your Vendors Are Planning	p. 184
Emergency Operations Center	p. 184
Creating Backups	p. 185
Full Backups	p. 185
Incremental Backups	p. 186
Backing Up the Mirror	p. 187
Creating the Recovery Plan	p. 190
Capturing the Planning Output in the DR Plan	p. 190
Upstream Relationships	p. 195
Vendor Emergencies	p. 196
Vendor Handoffs	p. 198
Hardware Support	p. 198
Software Support	p. 200
Downstream Relationships	p. 201
Service Level Agreements with Customers	p. 201
Directing the Disaster Recovering Team	p. 201
Team Actions Following a Disaster or After a Drill	p. 202
Summary	p. 203
Test Your Skills	p. 204
Developing Procedures for Special Circumstances	p. 211
Emergencies During the Emergency	p. 212
Support Contracts	p. 213
Disaster Recovery Contracts	p. 214
Preparations	p. 215
Identifying the Gaps in Your Recovery Plans	p. 215
Backups	p. 216
Testing	p. 217
Systems	p. 217
People	p. 218
Identifying Disaster Recovery Risks	p. 219
Location	p. 219
Situation	p. 219
Systems	p. 220
Summary	p. 221
Test Your Skills	p. 221
Testing the Disaster Recovery Plan	p. 226
Rehearsing the DR Plan	p. 226
Reasons for Testing the Disaster Recovery Plan	p. 227
Considering the Impact of Testing on the Organization's Activities	p. 228
Developing Testing Criteria and Procedures	p. 229
Using a Step-By-Step Process to Test the Plan	p. 231
Developing Test Scenarios and Using Test Results Effectively	p. 234
Maintaining the DR Plan	p. 235
Applying Change Control: Why and How	p. 236
Ensuring Normal Developments Are Accounted for in the DR Plan	p. 237
Scheduling Regular Reviews	p. 238
Managing and Documenting the Recovery	p. 238
Identifying Stakeholders	p. 239
Defining Clear Goals at the Start	p. 239
Reporting	p. 240
Summary	p. 240
Test Your Skills	p. 240
Continued Assessment of Needs, Threats, and Solutions	p. 245
What to Do After the Disaster Recovery Test	p. 245
What Was Learned?	p. 246
What Will Be Done Differently	p. 248
Threat Determination in System	p. 249
Threat Classification	p. 249
SWOT (Strengths, Weaknesses, Opportunities, Threats)	p. 255
Solution Determination	p. 258
Damage	p. 258
Reproducible	p. 258
Exploitable	p. 258
Users/Systems Affected	p. 259
Discoverable	p. 259
Summary	p. 259
Test Your Skills	p. 260
Sample Disaster Recovery Plan	p. 265
Checklist Testing Sample Documents280
Glossary	p. 286
References	p. 289
Index	p. 290
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