popular pitfalls in isms compliance

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21-Sep-200 7 <Public> 1 Popular pitfalls in ISMS Compliance A Certifying Body’s perspective

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Independent view of what normally goes wrong in ISMS Audit

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  • 1. Popular pitfalls in ISMS Compliance A Certifying Bodys perspective

2. Contents

  • Introduction
  • Standard Evolution
  • Standard Organization
  • Future of the standard
  • Implementation issues

3. Standard Evolution 1995 1998 Initiative from Department of Trade and Industry BS 7799Part 1 BS 7799 Part 2 1999 New issue of BS 7799 Part 1 & 2 2000 ISO/IEC 17799:2000 2001 BS 7799-2:2002 (drafted) Sep 2002 BS 7799-2:2002 Passed and accepted Jun2005 ISO 17799:2005 ISO/IEC 27001:2005 Oct2005 4. Standard Organization CONTROLS CONTROL OBJECTIVES DOMAINS 5. Standard Organization ComplianceA.15 Business Continuity ManagementA.14 Information Security Incident ManagementA.13 Information Systems Acquisition, Development and MaintenanceA.12 Access ControlA.11 Communications and Operations ManagementA.10 Physical and Environmental SecurityA.9 Human Resources SecurityA.8 Asset ManagementA.7 Organization of Information SecurityA.6 Information Security PolicyA.5 ISMS improvement 8 Management review of the ISMS 7 Internal ISMS Audits 6 Management Responsibility 5 Information Security Management System 4 6. Standard Organization(contd.) Security policy Access control Asset ManagementOrganization of Information Security Human ResourcesSecurity Physical andEnvironmental security Communicationsand operations managementInformation Systems Acquisition Development and Maintenance Information Incident Security Management Business Continuity Management Information Integrity Confidentiality Availability Compliance 7. Future of the standard Risk Management(BS 7799-3) 27005 Metrics and Measurement 27004 Implementation Guidance 27003 Code of Practice (ISO17799:2005) 27002 Specification 27001 Vocabulary and definitions 27000 Description ISO/IEC Standard 8. What is an implementation issue?

  • Standard directly demands and not complied with
  • Diluted implementation
  • Mis-interpretation of the standard

9. Implementation Issues - Scope

  • Scope of ISMS
    • Scope is very hazy, not including all the assets and technology
  • A good example of ISMS scope
    • The ISMS scope covers all critical systems, applications, networks, telecommunication links, human resources, and information assets. The scope also includes business operations, administrative functions, customer information, buildings, equipment, tools and utilities used in the execution of business of the organization at site A and site B.

10. Implementation Issues - Policy

  • Security Policy
    • Not visible in the organization
    • Not spread across the organization
    • Does not help in arriving at security objectives
  • Other Policies
    • Many other policies not defined
    • Eg. Clear Desk Clear Screen policy
    • Mobile computing policy, Teleworking policy

11. Implementation Issues Risk Assessment

  • Risk assessment not systematic
  • Risk assessment kicked off with false comfort of existing controls
  • Some core assets not identified
    • Eg. Design document in an IT organization
  • Arriving at acceptable risk level not scientific
  • Projects a no-residual-risk scenario

12. Implementation Issues SoA Preparation

  • Only exclusions justified, inclusions should also be justified
  • Bi-directional tracing from risks to control and vice versa absent

13. Implementation Issues Monitoring

  • Info security review very weak
  • Obsolete risks not removed
  • New risks not fully added

14. Implementation Issues Internal Audit

  • Predominantly CISO and team are the Auditees
  • Sampling of other asset owners rare
  • Absence of qualified internal auditors

15. Implementation Issues Management Review

  • All review inputs as required by the standard not addressed
  • Management appreciation for security issues very low

16. Implementation Issues Improvement

  • CA is more prevalent than PA
  • Analysis of incidents / non-compliances weak

17. Implementation Issues External Parties

  • Third party agreements do not stress security requirements
  • Third party Vendors not conspicuously identified in the facility

18. Implementation Issues Asset Management

  • Server based software owners are identified but not their custodians
  • Only critical IT assets identified
  • Some core assets not properly identified
  • Asset labeling improper

19. Implementation Issues H R security

  • No systematic screening
  • Awareness training weak
  • Removal of access rights weak
  • Awareness of social engineering very low

20. Implementation Issues Physical and Environmental Security

  • Network cables run outside the security perimeter
  • No controls on piggy-backing
  • Structured cabling absent
  • Security of equipment off-premises very weak
  • Movement of media eg. CDs not-controlled

21. Implementation Issues Communications and Operations Management

  • Disposal of media very weak
  • Safety of media-in-transit not properly addressed
  • Logs not reviewed periodically
  • Clock synchronization not done

22. Implementation Issues Access Control

  • Privilege management weak
  • Printouts on printers not picked
  • Clear desk clear screen policy most violated
  • Unabated installation of freeware, shareware etc.
  • Laptops dont have updated virus signature

23. Implementation Issues IS acquisition, development and maintenance

  • Applies only for the IS developed to run the business Eg. ERP, Enterprise Project Management etc.
  • Impact analysis to changes very weak
  • Fallback plan on a un-successful software upgrade weak

24. Implementation Issues Incident Management

  • Incident management seen as an impossible activity
  • Awareness to report an incident very low

25. Implementation Issues BCP

  • BCPs are static
  • Scale of BCP very low vis--vis business need
  • BCP Testing not done

26. Implementation Issues Compliance

  • One comprehensive list of applicable rules & regulations absent

27. Queries

  • Floor is yours!

28. Thank You R.Ramkumar