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Introduction to the ISO 27000 series


ISO 27001 ISMS requirements (BS7799 Part 2) ISO 27002 (ISO/ IEC 17799:2005) from 2007 onwards. ISO 27003 ISMS Implementation guidelines (due 2007) ... – PowerPoint PPT presentation

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Title: Introduction to the ISO 27000 series

Introduction to theISO 27000 series
  • ISO 27000 principles and vocabulary (in
  • ISO 27001 ISMS requirements (BS7799 Part 2)
  • ISO 27002 (ISO/ IEC 177992005) from 2007
  • ISO 27003 ISMS Implementation guidelines (due
  • ISO 27004 ISMS Metrics and measurement (due
  • ISO 27005 ISMS Risk Management
  • ISO 27006 27010 allocation for future use

ISO 27000 Principles Vocabulary
  • This standard will explain the terminology for
    all the 27000 series family of standards
  • This development will address global concerns on
    definitions that vary from country to country
    so consistency will be established
  • Hopefully these principles will impact on other
    standards like COBIT(IT Processes) and ITIL (IT
    Service Delivery) and avoid any confusion

ISO 27001 ISMS Requirements
  • ISO/ IEC is progressing an ISMS standard based on
    BS7799 Part 2
  • With some improvements and changes
  • Annex B (Implementation Guidance has been
    removed) this will become 27003
  • At the final stage of editorial balloting
  • Estimated publication date November 2005
  • Once ISO 27001 is published BS7799 Part 2 will be
  • Interim Period (Now until November 2005)
  • The technically stable version ISO/IEC FDI 27001
    is likely to be available for purchase from BSI.
  • BSI have quoted those purchasing the FDIS
    version now will get a copy of the ISO version
    when published (estimated to be November 2005)

ISO 27001 ISMS Requirements
ISO 27001 ISMS Highlights
  • Clarifies and improves existing PDCA process
  • ISMS scope (inc. details justification for any
  • Approach to risk assessment (to produce
  • comparable reproducible results)
  • Selection of controls (criteria for accepting
  • Statement of Applicability (currently
  • Reviewing risks
  • Management commitment
  • ISMS internal audits
  • Results of effectiveness and measurements
  • (summarised statement on measures of
  • Update risk treatment plans, procedures and

ISO 27002 ISO/IEC 177992005(from Nov05)
  • 11 sections specify 39 control objectives to
    protect information assets
  • Provides 134 best practice controls that can be
    adopted based on a risk assessment process but
    leaves an organisation free to select controls
    not listed in the standard giving great
    flexibility in implementation
  • (but challenging for certification bodies!)
  • New recommendations cover
  • - security of external service delivery
    provisioning of outsourcing
  • - patch management and other current issues
  • - security prior to, during and at termination
    of employment
  • - guidance on risk management, and a section on
    incident management
  • - mobile, remote distributed communications
    information processing

ISO 27003 ISMS Implementation Guidelines
  • A new (JTC 1/SC27) project on implementation
    guidelines to support the new requirement
    specification standard
  • Annex B of BS7799 Part 2 is the basis-
  • - overview
  • - management responsibilities
  • - governance regulatory compliance
  • - personal security human resources
  • - asset management
  • - availability/continuity of business processes
  • - handling information incidents
  • - access control
  • - risk management case studies

ISO 27004 Metrics and Measurement
  • ISO/IEC has a new project to develop an ISMS
    Metrics and Measurements Standard
  • This development is aimed at addressing how to
    measure the effectiveness of ISMS implementations
    (processes and controls)
  • Performance targets
  • What to measure
  • How to measure
  • When to measure

ISO 27005 ISMS Risk Management
  • A new standard on Information Security Risk
    Management an ISO version of the soon to be
    published BS7799 Part 3
  • This standard is being drawn up by the
    DTI/Cabinet Office with significant input from
    CSIA (central Sponsor for Information Assurance)
    draft for consultation came out in July 2005
    with consultation period finishing in October
  • Will be linked to MITS-2 - a new management
    standard for ICT risk management currently in

ISO 27000 series Benefits/Obstacles
  • Alignment to ISO 9000 series on Quality
  • Ensured a level of consistency in IS Management
  • International cohesion
  • Professional acknowledgement
  • Governance Benefits
  • International acceptance take-up
  • Nation state support agreement