Detailed background on CISSP exam Domain 7, covering business continuity and disaster recovery.
Disaster recovery focuses on how to survive a disaster and what to do right after a disaster.
Business continuity and disaster recovery planning: Management leadership, goals and requirements, business impact analysis, team building and implementation.
Recovery and testing: Strategies for executing recovery, carrying out drills and types of plan testing.
Business continuity and disaster recovery planning It's critical that companies understand the degree of potential damage and revenue losses that different types of business interruptions can cause. The main goals of a business continuity plan are to improve responsiveness by the employees in different situations, ease confusion by providing written procedures and participation in drills and help ensure logical decisions are made during a crisis.
The necessary software -- the operating systems, programs and utilities used during regular business -- must also be backed up regularly to the offsite facility. Recovery and testing After a disaster, there are usually two teams assembled -- the salvage team that assesses damage and works to bring the primary facility back on-line, and the recovery team that coordinates bringing up the alternative site. Today, approximately 65% of companies could not stay in business if they had to be closed for a week or longer.


These plans are usually technology-oriented and focus on getting the network and systems up and running as quickly as possible. Although access to up-to-date data is critically important to disaster recovery, it's not the only thing that must be backed up. There are different reasons why the current employees may not be available after a disaster, including death, injury, or family responsibilities. It's estimated that less than 5% of companies are truly prepared to endure and survive a disaster. Business continuity deals with keeping a company and business after a disaster has been experienced and takes a lot more into account than just technology.
Almost every type of business interruption causes some direct or indirect affect on the productivity of a company, thus its revenue stream. The business continuity committee must identify the necessary skill set for each critical task and come up with back up solutions as in using temp agencies or cross training individuals. These can range from troubleshooting the plan by simply walking through the documents detailing the sequence of events, to actually rehearsing the plan up to the point of actual data or resource recovery at the main site. More and more companies are developing business continuity into their environment because of the raised awareness of tragic possibilities, but also because of new regulatory requirements that infer executive management obligations for fiscal responsibility.


The business case can include current vulnerabilities, regulatory and legal obligations, current status of recovery plans and recommendations. You would need to replace all computer resources, networking -- maybe even people -- as well as find a new site to get your business running again.
Companies unable to support the ongoing service fees required for these options sometimes make arrangements with compatible companies who will host each other's employees and business functions in the event of a disaster. The decision of how a company should plan to recover is purely a business decision and should be treated as such.
This is by far the least expensive, but is also the most risky since few companies maintain the extra capacity and equipment that would be suitable to host another company's business processes.



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Comments

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