ISO 17799 - BS7799 - ISO 27001

ISO 17799 Cycle

 

Induction To 

ISO 17799  

 

 

PDCA

 

Conclusions

 

 



ISO 17799 

Tools and Resources

 

BS7799 ISO 17799

 

 

ISO 17799 Toolkit

The most well known support resource is the ISO17799/BS7799 Toolkit

 

Compliance Resources for BS7799

 Software Resources and information

 

ISO 17799 Directory

A directory dedicated to the standard

 

Cyber Alerts

 Offer consultancy and training

 

NIST

Backgroung information and papers (PDF)

 


 

 

 

 

 

The full cycle, from consideration of the standardís merits through to actual implementation, is depicted in figure 1 below.

Figure 1: The ISO 17799 cycle

 

The cycle depicted in figure 1 (above) outlines the typical stages that would be followed when adopting ISO 17799 as an internal standard. These stages are detailed in the points below:

 

The merits of the standard are considered, such as enhancing the security of the organisation, as well as the confidence of new/existing customers and business partners.
A decision is made to implement ISO 17799. It may be the case that the organisation wishes to simply become compliant by adhering to the standard, or it may mean that certification is sought.
Resources in terms of people and time are allocated for the project. Assistance may be sought from an experienced ISO 17799 consultant at this stage.
The scope of the ISMS is determined. This means that the area/s of the organisation to be measured against the standard are selected. This should be a reasonable representation of the organisationís activities.
A review of existing documentation takes place to assess the extent of measures already in place, such as the ISO 9000 quality manual and security policies.
A gap analysis is undertaken to identify the gaps between existing and required controls, processes and procedures.
An inventory is taken of all relevant information assets.
A risk assessment is carried out in order to determine the extent of risk to the ISMS, often comparing impact of risks with the likelihood of these risks actually occurring. A Risk Assessment document is the resulting deliverable.
Once risks have been identified and established in the Risk Assessment document, the organisation must decide how such risks are to be managed. From these decisions, responsibilities for managing these risks are determined and documented.
Appropriate controls and objectives to be implemented are selected, either from the standard, or not, as the case may be. The standard does not contain an exhaustive list, and additional controls and objectives may be selected. A Statement of Applicability (SoA) is the resulting deliverable following selection of controls.
Policies are created based on the SoA.
Relevant procedures based on the policy definitions and guidelines are created and documented.
A training programme is undertaken to educate all employees to ensure that good practice for Information Security is adopted throughout the business.
A programme of compliance monitoring is implemented. This is to ensure that the good work achieved to date is maintained.
Once compliance has been achieved, certification may be optionally sought from an accredited body. This requires an audit, which will examine the organisationís adherence to the standard. A successful audit result will mean that the organisation will gain certification.


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