Record Retention Time Periods

 
The Record Management,
Retention, and Destruction is a detail policy template which can be
utilized on day one to create a records management process. Included
with the policy are forms for establishing the record management
retention and destruction schedule and a full job description with
responsibilities for the Manager Records Administration.
You areas included with this
policy template are:
- Record retention requirements for SOX sections
103a, 302, 404, 409, 801a and 802.
- Policy
- Standard
- Scope
- Responsibilities
- Record Management
- Compliance and Enforcement
- Email Retention and Compliance
- Job Description Manager Record Administrator
- 12 forms for Record Retention and Disposition
Schedule
 
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Accounting Records |
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Bank statements, reconciliations
& deposit slips |
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Dividend checks (canceled) |
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Expense reports |
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Monthly/interim financial
statements |
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Inventory count & costing sheets |
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Fixed asset acquisition invoices
(after disposal) |
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Accounts payable ledgers
(computer runs) |
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Accounts receivable ledgers
(computer runs) |
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Cash books & cash register tapes |
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Subsidiary ledgers |
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Monthly trial balances |
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Checks |
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Payroll (individual time report
& earnings records) |
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Vouchers |
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Audit reports |
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General ledgers & journals |
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Annual financial statements |
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Income tax returns & work papers |
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Payroll tax returns & W-2’s |
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Corporate Records |
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Mortgages, notes & leases (after
expiration) |
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Bylaws, charter & minute books |
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Checks (taxes, property &
fulfillment contracts) |
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Contracts & agreements (after
termination) |
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Copyrights, trademark & patent
registrations |
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Deeds & easements |
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Partnership agreements or
corporate documents |
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Labor contracts |
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Capital stock & bond records |
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Patents |
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Proxies |
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Retirement & pension records |
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Correspondence |
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General |
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License, traffic & purchase |
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Production |
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Legal |
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Insurance |
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Policies (after expiration) |
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Accident reports |
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Fire inspection reports |
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Group disability records |
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Safety reports |
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Claims (after settlement) |
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Personnel files (after
termination) |
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Employment applications (not
hired) |
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Payroll (time cards) |
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Discrimination charges (after
settlement) |
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Performance reviews (after
termination) |
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Contracts (after expiration) |
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Daily time reports |
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Disability & sick benefits
records |
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Personnel files (after
termination) |
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Withholding tax statements |
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Employee manuals & polices
(after replaced) |
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Worker’s Compensation documents |
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Purchasing and Sales |
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Purchase orders |
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Requisitions |
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Sales contracts |
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Sales invoices |
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Shipping & receiving |
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Export declarations |
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Freight bills |
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Manifests |
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Shipping & receiving reports |
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Waybills & bills of lading |
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Record Retention and Destruction News
Minimun and Standard Power Protection for Workstations for DRP and BCP
Personal computers and remote servers often are damaged by
subtle anomalies that users never see, such as sags, surges, spikes, brownouts,
line noise, frequency variation, switching transients and harmonic distortion. A
business on typical utility power is subjected to these hidden power problems
every day and complete outages several times a year. Solutions that you should
implement for all such equipment include:
-
Minimum -
Surge suppressors address the power surges, but have no effect on the
under-voltage and variance conditions that can erode equipment health over
time or zap it in an instant.
-
Standard -
Uninterruptible Power Systems (UPSs) protect your IT systems by conditioning
incoming power to smooth out the sags and spikes that are all too common on
the grid and other primary sources of power Providing ride-through power to
cover for sags or short-term outages (30 – 60 minutes,
typically). - more info
Disaster planning, emergency preparedness, or business continuity
Disaster
planning, emergency
preparedness, or business
continuity (and experts note that there are differences) - the goals are ultimately the same: to get an organization back up and
running in the event of an interruption.
The problem causing the interruption could be one computer crashing or an
entire network crashing. Or it
could be an electrical outage or the result of a terrorist activity. The goal is to have some contingency
plans in the event of a problem. A
disaster recovery plan exists to preserve the organization so that it can
continue to offer its services.
A
disaster recovery plan is a users' guide - the documentation - for how to
preserve an organization. In order
for a plan to be useful, it must be created before an interruption occurs. Business continuity is disaster
recovery. Lost revenue is a driving
force in business continuity. The
reason to do a recovery plan is essentially to keep the funding coming in and
the services going, and the clients being served.
-
Emergency
planning are those procedures and steps done immediately after an
interruption to business.
-
Disaster
recovery are the steps taken to restore some functions so that
some level of services can be offered.
-
Business
continuity is restoration planning, completing the full circle to
get your organization back to where it was before an
interruption.
In
order to write your plan, you have to do some planning. This planning is the
process that will get you to the step where you then commit your plan to paper -
you canÂ’t write a plan until you do the preparation. The most difficult thing is getting
started; the second most difficult task is keeping the plan
current. - more info
The Difference Between Disaster Recovery Planning and Business Continuity Planning Defined
Disaster
Recovery Planning (DRP) is the process by which you resume business
after a disruptive event. This
typically means that you can get the enterprise computers, networks, and data
base operational. The event might be something huge-like an earthquake or the
terrorist attacks on the World Trade Center-or something small, like
malfunctioning software caused by a computer virus.
Given the
human tendency to look on the bright side, many business executives are prone to
ignoring "disaster recovery" because disaster seems an unlikely event. However
Janco has found that over one third of all enterprises have had to activate
their Disaster Plans in the last few years.

Business Continuity
Planning (BCP) suggests a more comprehensive approach to making sure you can
keep the enterprise going and meet it business objectives. This goes beyond the
enterprise computers, networks and data bases. However, the two terms are married under
the acronym DR/BC or DRP/BCP. At any rate, Disaster Recovery Planning and/or
Business Continuity Planning facilitate how a company will keep functioning
after a disruptive event until its normal facilities are
restored.
- more info
Disaster Recovery Business Continuity Scope

Recognizing the scope of the requirements, Janco
suggests that you purchase the Disaster Recovery
Business Continuity Template and the do the following:
- Conduct a business impact
assessment. This involved a crossfunctional team to evaluate the
business requirements and tier data based on the importance to our business
operations.
- Protect data and
applications. It was important to back up data frequently to
ensure records are kept, so we needed to upgrade
our backup equipment to a
faster version to reduce the time it took to complete a backup cycle.
- Review power and
connectivity options. We needed to add uninterrupted power
supplies (UPS) and connectivity for critical servers, network connections and
selected personal computers to keep the most essential applications running in
case of a power outage.
- Document, test and update the
disaster preparedness plan. Part of the Janco Disaster Recovery
and Business Continuity Template plan needs you to include updated
configuration diagrams of the hardware, software and network components to be
used in the recovery. The plan also needed to include logistical details, such
as travel to backup sites and spending authorization for emergency
needs.
- Consider
telecommunications alternatives. Often taken for granted,
telecommunications backup involving redundancy and alternatives needed to be
in place - and in the case of spot outages, redundancy may be enough. For
larger outages, alternative communications vehicles, including wireless
phones, wireless data cards and satellite phones, had to be
considered.
- more info
Testing is Critical to Disaster Recovery Planning
Importance
of testing is critical to the disaster recovery and
business continuity planning.
All good disaster recovery
and contingency plans start with having a good solid backup of data.
Although systems and applications can be reinstalled and reconfigured, data
cannot be rebuilt out of thin air. The key to having a good backup is to make
sure the data is correct and can be successfully restored. This is not always as
easy as it seems. One company had such an issue. Their backup administrator did
not correctly follow procedures and when he thought he was doing a backup, he
actually was not writing anything. When they tried to restore a database, they
found out all the tapes were blank. - more info
Cost of Disaster Recovery Backup Is High For Many Enterprises
The
need for de-duplication is increasing for many organizations as they gather
ever-growing volumes of data. At the same time, they are looking for ways to
reduce storage costs, improve efficiencies and provide adequate disaster
recovery capabilities. The key benefit is the ability to lessen the Total Cost
of Ownership (TCO) of storage hardware by eliminating redundant blocks of data
and then allowing organizations to replicate that data -- if required -- to a
second system for offsite storage. That can remove the need for tape. Data
de-duplication not only allows companies to reduce the disk space needed for
backup and restore, but it can increase performance and reliability while
reducing demands for rack space, power and cooling. Further, it can reduce the
bandwidth requirements for data transfer by 90 percent or
more. - more info
Pandemic Alert Level 5 Requires DRP/BCP Plans be Activated
The World Health Organization has raised the
pandemic alert over the spread of swine flu to phase 5.
WHO says that based on assessment of all available
information and following several expert consultations raised the current level
of influenza pandemic alert from phase 4 to 5.
While making the annoucement, WHO stated that all
countries should immediately activate their pandemic
preparedness plans. At this stage, effective and essential measures include
heightened surveillance, early detection and treatment of cases, and infection
control in all health facilities. - more info
Disaster Planning for a Pandemic
In disaster planning when a
pandemic occurs the data center exists but people are in separate locations.
The Disaster Planning and
Business Continuity Planning processes need to make the user and business
operating experience as similar as possible so that the work environment is the
same in the remote site (often home) as in the office. A key requirement is to
increase remote access capabilities in addition before the pandemic occurs the
following planning needs to take place:
- Define necessary staff levels for critical
business processes
- Identify who can work remotely and who has to be
in the office
- Validation of vaccinations for key staff members
- Identify the lights out processing issues for
computer operations staff
- Identify the network and remote access capacity
requirements - what percent of workers do you need to be on the system for the
enterprise to continue to operate
- Train and test of users and IT staffs in how to
operate from remote locations Require key employees to work from remote site
at least once a month
- Validate broadband capacity to remote sites
(home users)
- Have copies of disaster plan available in remote
site
- Put in place process for the synchronization of
OS system patches and VPN updates - if the workstations are not used
frequently disable the auto update features for security updates but maintain
a process to see that they workstations are up-to-date.
- Define specific requirements for security and
PCI-DSS when the disaster plan is activated for a pandemic.
- Define change management and version control
processes to be used and how they will be controlled during the
pandemic.
- more info
How to get started with a Disaster Planning process
Getting started with a disaster
recovery / business continuity plan may seem daunting, but is not. The process
starts by addressing the needs of the business - not the IT department.
-
-
Conduct an IT business impact
analysis - Develop a hierarchy of business functions and
processes based on their importance to operations. You will most likely find
that, although some systems need to be up and running as soon as possible
after a disaster, other systems can wait.
-
Establish a team with
enterprise wide management experience and responsibility -
Gather representatives from across the business, from IT to human
resources and facilities management. Each member should contribute to both the
development of the disaster recovery plan and its execution. Be sure to define
their responsibilities and the reporting hierarchy in the event of a disaster
and to equip them with mobile technology, so they can make decisions
spontaneously.
-
Develop budgets and funding
sources - A disaster recovery plan is only as effective
as the resources that are committed to it. Once you have determined what it
will require to support your business recovery objectives, you need to
identify the tools and procedures needed to meet them. Be specific about the
cost of these mechanisms, as well as the financial risk of disaster, so you
can build a realistic business case.
-
Define specific responsibilities
and tasks - Spell out
tasks, responsibilities and roles - not only to revive systems, but also to
provide access to users and enable operations to continue even under
compromised circumstances.
-
Re-evaluate what has been
created and keep it up to date - Test it, reexamine it and update it
regularly - once a year, twice a year or even quarterly. Also, remember that
there are continuing advancements in disaster recovery technology. Keep
revisiting your options to take advantage of faster, more-cost-effective
solutions. - more info
Google Designs its Servers With DRP and BCP in Mind
Most
companies buy servers from the likes of Dell, Hewlett-Packard, IBM, or Sun
Microsystems. But Google, which has hundreds of thousands of servers and
considers running them part of its core expertise, designs and builds its own. Google has
designed its own servers and each server has its own 12-volt battery to supply
power if there's a problem with the main source of electricity. Since 2005
Google's data centers have been composed of standard shipping containers--each
with 1,160 servers and a power consumption that can reach 250
kilowatts. - more info
A disaster occurs -- now what?
A disaster
or business interruption occurs, what do you do? A quick roadmap to follow
is:
-
Do not
panic and remain calm! When a disaster or business interruption occurs the
first priority number is to ensure the safety of the employees.
-
Evaluate the disaster! Determine the impact on your personnel
and enterprise operations, this evaluation the event is critical in making the
decision to activate the disaster recovery business continuity procedures.
-
Communicate with everyone that can be impacted! Communicate with
your team, managers, affiliates, and vendors frequently. Even if there is no
status to report, do not leave anyone guessing or letting them draw their own
conclusions.
-
-
Be
decisive! Once you have determined the level of disaster and everyone is safe
to operate, it is time to make the decision if you need to implement the
business continuity procedures or if the downtime for recovery acceptable.
-
Start
the process! Start with recovering the most business critical systems first to
restore business operations to a functional level. There should not be any
question, which order which applications need to be restored first.
-
Lock
down all backups and critical documentation! The first step to the recovery is
having a set of data to recover from. This could be anything from archived
tape, local disk copy, and a co-location or disaster recovery data center.
-
Use multiple solution paths! Assume that nothing will work and
have alternatives in place
-
Reactivate normal operations! Once the systems are operational,
the disaster is over and systems are repaired it is time to move the workloads
back to where they were originally. - more info
Disaster Recovery Business Continuity in a Mixed Vendor Environment
How do you create a unified Disaster Recovery Business
Continuity Plan when you IT services are outsourced to multiple vendors
and some of their facilities are in the same geographical area? Some vendors are now starting to offer
services that are designed to help enterprises get a converged view with which
to manage and monitor their entire IT infrastructures,
regardless of whether services are delivered by in-house resources or by third-party service
providers.
These service providers recognize that
enterprises are moving services to specialty vendors such as security providers,
network providers or computing services providers, rather than to a single
services provider.
- more info
Facebook Disk Failure Results in Lost Data
Popular social networking site
Facebook.com admitted on a blog post today that over the weekend, a hard drive
failure led to the temporary loss of 10% to 15% of its users stored
photographs.
According to the company, several drives failed at
once during a routine upgrade Friday night.
"You may have noticed in the past day that some
photos aren't appearing or are displaying a 'question mark' graphic when you go
to view them. We're trying to fully understand what happened, since simultaneous
hardware failures like this are rare," a Facebook engineer, stated in his
blog.
Facebook said its users' photos are safe because it
stores multiple copies of the data for disaster recovery and business continuity
purposes, and it is working to make the photos affected by the system failure
available again as soon as possible. - more info
Portable Disk Backup Device Released
A hard disk drive duplicator has been released. The second
generation device is a compact and portable cloning solution with blazing
cloning speeds approaching 6GB/min! A full color touch screen provides an easy
to use interface, and support for SATA/IDE/USB/Firewire 1394B makes the device
an extremely versatile duplicator.
The hand-held unit provides the convenience of on-site as well as
"on the bench" cloning. Novice users will appreciate the "wizard" function that
steps them through key cloning operations. Advanced software including Clever
Copy, Selective Partitions and Master Manager is included with the device. The
compact, feature-rich cloning device also features support for verification of
the cloned drive using an MD5 signature of target drive. The SuperSonix device
is Windows Vista compatible and supports e-SATA and microSATA drives (with
optional cables) as well as solid state
drives. - more info
Disaster and Business Continuity Preparedness
IT managers must make disaster planning a top priority if
they are to prevent data loss and maintain business continuity in times of
crisis. Unfortunately, day-to-day operations too often steal the time that IT
professionals should otherwise devote to critical disaster planning and business
continuity efforts. Enterprises cannot prepare for yesterday's disaster today.
That is why you need Janco's Disaster Recovery and Business Continuity Template.
 
This comprehensive disaster and business continuity
preparedness template includes:
- Plan Introduction
- Business Impact Analysis -
including a sample impact matrix
- DRP Organization
Responsibilities pre and post disaster - drp checklist
- Backup Strategy for Data
Centers, Departmental File Servers, Wireless Network servers, Data at
Outsourced Sites, Desktops (In office and "at home"), Laptops and PDA's.
- Recovery Strategy including
approach, escalation plan process and decision points
- Disaster Recovery Procedures in a check list
format
- Plan Administration Process
- Technical Appendix including
definition of necessary phone numbers and contact points
- Job Description for Disaster Recovery
Manager (3 pages long) - entire disaster recovery team job
descriptions are available.
- Work Plan to modify and
implement the template. Included is a list of deliverables for each
task. (Risk Assessment and Vulnerability Assessment)
- more info
Disaster business continuity lessons learned
Most disasters that affect enterprises are not as great as the
terrorist attack of 911 or Katrina.
However, enterprises need to plan for event of that magnitude. Plans has have to take in account the
loss of expertise and skills of workers killed in the disaster, businesses lost
physical assets, data and the information technology to continue
operating.
Preparing for disaster is nothing new. Smaller companies may not have the money
to safeguard all their crucial systems. The risks they face are that 80% of
companies that do have a disaster recovery / business continuity plan in place
never either open their doors after the disaster or go out of business within 18
months.
Lessons that enterprises that have gone through a disaster and
survived are:
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There never is enough testing
-
The disaster and business continuity plan is not quite up to
date
-
Not all of the backups that were taken
worked
-
Key data was lost because the right backup was not
made
-
Too few people know what the disaster and business continuity
processes are - more info
Do You Have Security Implemented for Your Disaster Plan
During the execution
of your Disaster Recovery / Busniess Continuity plan is your company's
information protected by the security policy and solutions you have in place
now? Are you in full compliance with SOX, GLBA and HIPAA regulations, while also
complying with your state's information security laws? Federal and state rules
enforcing the electronic security of personal information are becoming stricter
and more complicated. As a result, companies are reexamining the way they deal
with sensitive information to avoid the lawsuits, fines and loss of business
reputation associated with a security breach.

Still,
despite business's efforts to step up their security protocols, in 2007:
-
More
than 79 million personal electronic records containing data such as Social
Security numbers and credit-card numbers were compromised in the U.S.
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This
was nearly four times the number reported in 2006. (Source: New State Laws
Enforcing Encryption, MessageLabs Whitepaper, Nov.
2008) - more info
Are You Prepared for a Disaster?
According to an AT&T Survey of 100 Chicago
firms (revenues <$10M), 81 have DR plans, but only 43% have fully tested
their plans within the last 12 months and 12% admitted they have never tested
their business continuity plans.

Next to personnel, data is your most irreplaceable
asset. Networks, application hosting platforms, and end user computing
environments can be replaced quickly. However, without your customer
lists, product catalogs, inventory, financial records, and other operations data
your business cannot recover. - more info
Email Failure is a Disaster
In today's rapidly changing business environment,
Information Technology outages can be devastating. In the new Democratic
administration, the email system failed for a 36 hour period. This resulted in
the implementation of their primary backup system being implemented - they
went back to paper.
Regardless of the cause - hurricane, fire, accident,
hacker attack, or even terrorist attack - production downtime is not only
costly, but in some cases causes enterprise to fail and go out of business. With
a mobile workforce, global customers wanting to do business around the clock,
and continually greater dependence on technology, companies need to not only
protect data, but continue business operations virtually uninterrupted. The cost
of downtime, depending on your industry, can be from thousands to millions of
dollars per hour - due not only to disaster recovery expenses, but also to
lost sales, customer defection, and lack of productivity. Add to that a damaged
reputation in the marketplace and diminished shareholder confidence, and the
cost of downtime can be staggering.
However, organizations that can continue business operations
through any outage, large or small, can gain competitive advantage - and
sometimes even take market share from competitors.
- more info
Data Needs to be Protected When a DRP is Activated
Information is one of a company's strategic resources. The
company owns valuable proprietary processes, sensitive customer information,
private vendor lists, and strategic goals that have great value - and may be
attractive targets for competitors or thieves. In addition when a a disaster
recovery and business continuity plan is activated, data can be inadvertently
exposed and or lost.
In many instances, companies have a
legal obligation to protect that data. Data also has to be protected from
accidental (or intentional) corruption, and IT professionals must ensure that
company data is accessible or deliverable when
necessary.
As a result, companies spend a
significant portion of their IT budget on managing and protecting information.
Sometimes business interests collide. More security sometimes means less
productivity, more cost and less return on business investment. A company's data
can be lost or stolen if network users do not follow basic security procedures.
Lost data can mean:
- more info
Broadband to be Expanded by the Feds
Disaster recovery and business continuity
planning could be favorably impacted by the economic stimulus package. There are calls to invest between to $30 billion to $100
billion to expand broadband coverage within the United States.
With this additional capacity the cost structure for various
disaster recovery and business continuity solutions will be significantly
altered. - more info
How Should Data Be Backup for Disaster Recovery to Be Successful
There are two major categories of data replication: 1)
Continuous Replication, in which data changes are sent continuously between
locations, and 2) Periodic Replication, in which changes are send periodically
in batches. While these solutions vary in several performance and operational
parameters, the key differences are in what kind of recovery they
offer.
-
Continuous replication offers a single recovery
point. Write operations are continuously copied to the remote location, the
copy is identical to the current production data. In a physical disaster you
lose very little data because the remote copy is current. However, with a
virus, corruption, accidental deletion, or malfunction, the corruption is
propagated to the remote location immediately. No previous restore point is
available, leaving you to recover from backup tapes. This can take days or
even weeks, and may result in significant amounts of data
loss.
-
Periodic replication is built on the premise
that point-in-time copies, or snapshots, are created and sent regularly -
but not continuously - to the remote location. Production performance is
not impacted, and distance between sites is unlimited. This method offers
multiple recovery points and a catalog from which to choose them. Because
there is distance between the production and replication sites, you have
protected data on disk that is quickly accessible in case of physical
disaster. In addition, should a virus, corruption, accidental deletion, or
malfunction occur, you can restore "known good" data from a point in time
prior to the disaster. Application recovery is fast, because snapshots provide
application data in a clean state. - more info
Backup and Recovery Policy is Requried for an IT Disaster Recovery Plan
Backup and recovery policy is required a first step in and
Information Technology disaster plan. In addition the
disaster recovery policy must be reviewed at least annually to assure its
relevance. Just as in the development of such a policy, a planning team that
consists of upper management, and personnel from information security,
information technology, human resources, or other operations should be assembled
to review the disaster policy. Roles and responsibilities of the planning team
should be as follows:
-
Perform an initial risk assessment to determine current
information systems vulnerabilities.
-
Perform an initial business impact analysis to document and
understand the interdependencies among business processes and determine how
the business would be affected by an information systems
outage.
-
Take an inventory of information systems assets such as computer
hardware, software, applications, and
data.
-
Identify single points of failure within the information systems
infrastructure.
-
Identify critical applications, systems, and
data.
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Prioritize key business functions.
- more info
Creating a Disaster Plan For Your Remote Offices
When
remote offices are operational then Disaster Planning and Contingency Planning
need to take them into consideration. The Janco Disaster Recovery /
Business Continuity Plan Template has specific section dedicated to this.
It includes everything needed:
- Work Plan - The first
step is to select the group of people who will form your disaster recovery /
contingency planning committee. Include high-level managers, consider
representatives from all the departments within your business, and, if
possible, include a human resources representative as well.
- Current contact list with multiple
methods of contact - Not only should you keep a list of the names of
all employees, but that contact list should include alternate ways that people
can communicate with each other. Include home phone numbers, pager numbers,
non-work e-mail addresses, and cell phone numbers. Create
a formal phone tree that can be activated should you need to get in touch
with your employees quickly.
- Organizational Succession Plan -
What if several members of your management team were in an accident
and couldn' t perform their regular responsibilities? What if key members of
your company simply couldn' t be contacted for a period of time when you need
to make some critical decisions? To prepare for this kind of circumstance, you
need to consider a clear chain of command and authority. If key personnel are
missing, who' s in charge? Who makes decisions?
- DRP/BCP Organizational Chart -
Have a single decision-maker. That person needs to know the steps to
take in a crisis, and how to reach all employees and other essential contacts
(clients, customers, etc). And employees need to know who to take direction
from in the chaos that frequently follows a disaster.
- Physical work space
alternatives - If something happened to your offices, what would you
do? Can employees work out of their homes? Is there another company that would
share their facilities with you temporarily until you can rent or buy space at
a new location?
- Risks and vulnerabilities -
Make a checklist. Do you live in tornado alley? Put tornado damage on
that list. Do you work in an office with no alarm system? Put building
security on the list. Might layoffs occur sometime in the future? Add
workplace violence. What if the phones get disconnected? What if your key
supplier can' t get shipments to you?
- Backup your data - Most
people have thought about backing up their computer data. Where are your
important papers and files - both print and electronic? If your office
computers or servers are destroyed, you' d better have your data recently
backed up off site.
- more info
Backup Strategies for Disaster Recovery Plans
Here is a
set of common disaster recovery techniques for backup and data
recovery:
 
-
Bulk copy with CIFS, NFS and FTP - For many
scenarios, backup and recovery is no more complicated than scripted file
copies. However, these protocols are notorious under-performers when it comes
to WANs – even on Quality of Service (QoS) guaranteed MPLS links. If they are
even copied at all; the combination of byte caching and object caching means
that only the changed parts of files need cross the wire. For most bulk
transfers a 10x increase in performance is common.
-
Differential Backup applications - These
applications keep track of file changes and only pass changes between
locations. However, they, too, can be dramatically compressed using byte
caching technology and are subject to the same bandwidth contention issues of
any other application if a traffic control solution like MACH5 is not in
place. Although some use proprietary protocols for transmission, those that
use the underlying operating system benefit from protocol optimization. For
most backup applications, a 3x performance increase is
common.
-
Database Replication using native SQL
replication - Oracle replication and Microsoft DTS use complex
SQL statements to automate data transfer. Byte caching and compression removes
the inherent redundancy of this data, while user-aware bandwidth management
can separate database use from database backup and allocate bandwidth
accordingly. For most SQL automated transfers, a 3x performance increase is
common.
-
Database Replication using log shipping - Once
the database files are dropped to flat files, they are usually transported as
part of a bulk copy. These files are highly redundant, and byte caching and
compression can improve their transfer dramatically. Further enhancements from
optimizing the underlying transport protocols help as well. For log shipping,
a 10x performance increase is common.
-
Data Replication using web services as part of a Service
Oriented Architecture - As SOA gains popularity, transporting
data from different parts of the organization as XML over HTTP and HTTPS will
become more common. Use internal and external SSL encrypted Web services.
- more info
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