1 iso/iec 13335 information technology – guidelines for the management of it security...

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1 ISO/IEC 13335 Information Technology – Guideli nes for the Management of IT S ecurity 普普普普普普普普普普 普普普 普普普 [email protected]

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Page 1: 1 ISO/IEC 13335 Information Technology – Guidelines for the Management of IT Security 普華資安股份有限公司 報告人:蔡興樺 Steven.Tsai@mail.pwcglobal.com.tw

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ISO/IEC 13335

Information Technology – Guidelines for the Management of IT Security

普華資安股份有限公司報告人:蔡興樺

[email protected]

Page 2: 1 ISO/IEC 13335 Information Technology – Guidelines for the Management of IT Security 普華資安股份有限公司 報告人:蔡興樺 Steven.Tsai@mail.pwcglobal.com.tw

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ISO 13335 part 1

ISO 13335 part 2

ISO 13335 part 3

ISO 13335 part 4

報告大綱

Page 3: 1 ISO/IEC 13335 Information Technology – Guidelines for the Management of IT Security 普華資安股份有限公司 報告人:蔡興樺 Steven.Tsai@mail.pwcglobal.com.tw

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Concepts for the

Management of IT

Security

Security Elements

Processes for the

Management of IT

Security

ISO 13335 Part 1

Page 4: 1 ISO/IEC 13335 Information Technology – Guidelines for the Management of IT Security 普華資安股份有限公司 報告人:蔡興樺 Steven.Tsai@mail.pwcglobal.com.tw

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Approach

Objectives, Strategies and Policies

Concepts for the Management of IT Security

Page 5: 1 ISO/IEC 13335 Information Technology – Guidelines for the Management of IT Security 普華資安股份有限公司 報告人:蔡興樺 Steven.Tsai@mail.pwcglobal.com.tw

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Assets Threat Vulnerability Impact

Risk Safeguard Residual Risk Constraints

Security Elements

Page 6: 1 ISO/IEC 13335 Information Technology – Guidelines for the Management of IT Security 普華資安股份有限公司 報告人:蔡興樺 Steven.Tsai@mail.pwcglobal.com.tw

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Configuration Management

Change Management Risk Management Risk Analysis

Accountability Security Awareness Monitoring Contingency Plans and

Disaster Recovery

Processes for the Management of IT Security

Page 7: 1 ISO/IEC 13335 Information Technology – Guidelines for the Management of IT Security 普華資安股份有限公司 報告人:蔡興樺 Steven.Tsai@mail.pwcglobal.com.tw

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Management of IT Security

Corporate IT Security Policy

Organizational Aspects of IT

Security

Corporate Risk Analysis

Strategy Options

IT Security Recommendations

ISO 13335 Part 2

Page 8: 1 ISO/IEC 13335 Information Technology – Guidelines for the Management of IT Security 普華資安股份有限公司 報告人:蔡興樺 Steven.Tsai@mail.pwcglobal.com.tw

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IT System Security Policy

IT Security Plan

Implementation of

Safeguards

Security Awareness

Follow-up

ISO 13335 Part 2 (cont.)

Page 9: 1 ISO/IEC 13335 Information Technology – Guidelines for the Management of IT Security 普華資安股份有限公司 報告人:蔡興樺 Steven.Tsai@mail.pwcglobal.com.tw

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Management of IT Security

Planning and Management Process Overview

Risk Management Overview Implementation Overview Follow-up Overview

Page 10: 1 ISO/IEC 13335 Information Technology – Guidelines for the Management of IT Security 普華資安股份有限公司 報告人:蔡興樺 Steven.Tsai@mail.pwcglobal.com.tw

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Corporate IT Security Policy

Objective Management Commitment Policy Relationships Corporate IT Security Policy Elements

Page 11: 1 ISO/IEC 13335 Information Technology – Guidelines for the Management of IT Security 普華資安股份有限公司 報告人:蔡興樺 Steven.Tsai@mail.pwcglobal.com.tw

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Organizational Aspects of IT Security

Roles and Responsibilities Commitment Consistent Approach

Page 12: 1 ISO/IEC 13335 Information Technology – Guidelines for the Management of IT Security 普華資安股份有限公司 報告人:蔡興樺 Steven.Tsai@mail.pwcglobal.com.tw

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Corporate Risk Analysis Strategy Options

Baseline Approach Information Approach Detailed Risk Analysis Combined Approach

Page 13: 1 ISO/IEC 13335 Information Technology – Guidelines for the Management of IT Security 普華資安股份有限公司 報告人:蔡興樺 Steven.Tsai@mail.pwcglobal.com.tw

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IT Security Recommendations

Safeguard Selection

Risk Acceptance

Page 14: 1 ISO/IEC 13335 Information Technology – Guidelines for the Management of IT Security 普華資安股份有限公司 報告人:蔡興樺 Steven.Tsai@mail.pwcglobal.com.tw

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ISO 13335 Part 3

Techniques for the Management of IT Security

IT Security Objectives, Strategy Options

Corporate Risk Analysis Strategy Options

Page 15: 1 ISO/IEC 13335 Information Technology – Guidelines for the Management of IT Security 普華資安股份有限公司 報告人:蔡興樺 Steven.Tsai@mail.pwcglobal.com.tw

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ISO 13335 Part 3(Cont.)

Combined Approach

Implementation of the

IT Security Plan

Follow-up

Page 16: 1 ISO/IEC 13335 Information Technology – Guidelines for the Management of IT Security 普華資安股份有限公司 報告人:蔡興樺 Steven.Tsai@mail.pwcglobal.com.tw

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IT Security Objectives, Strategy Options

IT Security Objectives, Strategy and Policies

Corporate IT Security Policy

Page 17: 1 ISO/IEC 13335 Information Technology – Guidelines for the Management of IT Security 普華資安股份有限公司 報告人:蔡興樺 Steven.Tsai@mail.pwcglobal.com.tw

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Corporate Risk Analysis Strategy Options

Baseline Approach Information Approach Detailed Risk Analysis Combined Approach

Page 18: 1 ISO/IEC 13335 Information Technology – Guidelines for the Management of IT Security 普華資安股份有限公司 報告人:蔡興樺 Steven.Tsai@mail.pwcglobal.com.tw

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Combined Approach

High Level Risk Analysis Baseline Approach Detailed Risk Analysis Selection of Safeguards Risk Acceptance IT System Policy Security IT Security Plan

Page 19: 1 ISO/IEC 13335 Information Technology – Guidelines for the Management of IT Security 普華資安股份有限公司 報告人:蔡興樺 Steven.Tsai@mail.pwcglobal.com.tw

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Implementation of the IT Security Plan

Implementation of Safeguards Security Awareness Security Training Approach of IT System

Page 20: 1 ISO/IEC 13335 Information Technology – Guidelines for the Management of IT Security 普華資安股份有限公司 報告人:蔡興樺 Steven.Tsai@mail.pwcglobal.com.tw

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Follow-up

Maintenance Security Compliance Checking Change Management Monitoring Incident Handling

Page 21: 1 ISO/IEC 13335 Information Technology – Guidelines for the Management of IT Security 普華資安股份有限公司 報告人:蔡興樺 Steven.Tsai@mail.pwcglobal.com.tw

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ISO 13335 Part 4

Introduction to Safeguard Selection and the Concept of Baseline

Basic Assessments Safeguards Baseline Approach :

Selection of Safeguards According to the Type of IT System

Page 22: 1 ISO/IEC 13335 Information Technology – Guidelines for the Management of IT Security 普華資安股份有限公司 報告人:蔡興樺 Steven.Tsai@mail.pwcglobal.com.tw

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ISO 13335 Part 4 (Cont.)

Selection of Safeguards According to Security Concerns and Threats

Selection of Safeguards According to Detail Assessment

Development of an Organization-wide Baseline

Page 23: 1 ISO/IEC 13335 Information Technology – Guidelines for the Management of IT Security 普華資安股份有限公司 報告人:蔡興樺 Steven.Tsai@mail.pwcglobal.com.tw

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Basic Assessment

Identification of the type of IT System Identification of Physical/Environment

Conditions Assessment of Existing/planned Safeguards

Page 24: 1 ISO/IEC 13335 Information Technology – Guidelines for the Management of IT Security 普華資安股份有限公司 報告人:蔡興樺 Steven.Tsai@mail.pwcglobal.com.tw

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Safeguards

Organizational and Physical Safeguards IT System Specific Safeguards

Page 25: 1 ISO/IEC 13335 Information Technology – Guidelines for the Management of IT Security 普華資安股份有限公司 報告人:蔡興樺 Steven.Tsai@mail.pwcglobal.com.tw

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Selection of Safeguards According to the type of IT System

General Applicable Safeguards IT System Specific Safeguards

Page 26: 1 ISO/IEC 13335 Information Technology – Guidelines for the Management of IT Security 普華資安股份有限公司 報告人:蔡興樺 Steven.Tsai@mail.pwcglobal.com.tw

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Selection of Safeguards According to security Concerns and Threat

Assessment of Security Concerns Safeguards for Confidentiality Safeguards for Integrity Safeguards for Availability Safeguards for Accountability,

Authenticity, Reliability

Page 27: 1 ISO/IEC 13335 Information Technology – Guidelines for the Management of IT Security 普華資安股份有限公司 報告人:蔡興樺 Steven.Tsai@mail.pwcglobal.com.tw

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Selection of Safeguards According to Detailed Assessment

Relation Between Part 3 and Part 4 of this Technical Report

Principles of Selection

Page 28: 1 ISO/IEC 13335 Information Technology – Guidelines for the Management of IT Security 普華資安股份有限公司 報告人:蔡興樺 Steven.Tsai@mail.pwcglobal.com.tw

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敬請指教

普華資安:蔡興樺[email protected]