nist cybersecurity framework: an overview

Cyber Security FrameworkOverview of NIST Security Guidelines

CS684 IT Security Policies & Procedures

Tandhy Simanjuntak

NIST

History

Other frameworks

Cyber Security Framework

Study Case

Conclusion

Agenda

National Institute of Standard and Technology

1901

Non-regulatory Federal Agency

U.S. Dept. of Commerce

NIST

Mission

NIST Innovation

Industrial Competitiveness

•Measurement Science

•Measurement Standards

•Measurement Technology

= Economic security

= Quality of Life

Areas

NIST Bioscience & Health

Building & Fire Research

ChemistryElectronics &

Telco.

EnergyEnvironment /

ClimateInformation Technology

Manufacturing

Materials Science

Math Nanotechnology Physics

Public Safety & Security

Quality Transportation

History

Feb 12, 2013Executive Order 13636 “Improving Critical Infrastructure Cybersecurity”

http://blogs.reuters.com/great-debate/2013/07/08/obamas-key-nuclear-deal-with

Critical Infrastructure[1]

“systems and assets, whether physical or virtual, so vital to the United States that the incapacity or destruction of such systems and assets would have a debilitating impact on security, national economic security, national public health or safety, or any combination of those matters.”

http://www.iprem.ca/initiatives/InitiativesPics/CriticalInfrastructureSectors.jpg

Other Frameworks

OthersSecurity Framework

ISO/IEC 27002:2013

COBIT

COSO

HITRUST CSF

ISO/IEC 27002:2013

COBIT

COSO

HITRUST CSF

ISO: International Organization for Standardization

IEC: International ElectrotechnicalCommission

Best practice recommendations

• Information Security Management

• Information Security Program elements


ISO/IEC 27002:2013

COBIT

COSO

HITRUST CSF

Control Objectives for Information and related Technology

Best practices for IT management

Defines program and management control functions


ISO/IEC 27002:2013

COBIT

COSO

HITRUST CSF

Committee of Sponsoring Organizations of the Treadway Commission

Thought of Leadership for frameworks development

Guidance

• Enterprise risk management

• Internal control

• Fraud deterrence


ISO/IEC 27002:2013

COBIT

COSO

HITRUST CSF

Healthcare and Information Security Professionals

First IT Security for Healthcare

Leverages existing standards

• HIPAA, NIST, ISO, PCI, FTC and COBIT


NIST vs Other Framework

Other Frameworks NIST

Specific to industrySpecific to management

Any industry

Standards & Guidelines Guidelines

Cyber Security Framework

Framework

Introduction

Feb 13 Feb 14

Voluntary risk-based framework

• Government and private sectors

Standards and best practices

• Manage cyber security risks

Protect individual privacy and civil liberties

Framework Core

Framework Implementation Tiers

Framework Profile

Framework

Framework Core


Framework Profile

Activities, outcomes & applicable references

Industry standards, guidelines & practices

5 concurrent and continuous Functions

Identify Protect Detect Respond Recover

Framework

Framework Core


Framework Profile

Understanding to manage cybersecurity risk to systems, assets, data, and capabilities

Identify the occurrence of a cybersecurity event

Safeguards to ensure delivery of critical infrastructure services

Action regarding a detected cybersecurity event

• Maintain plans for resilience • Restore any capabilities or services

Identify

Protect

Detect

Respond

Recover

Framework

Framework Core


Framework Profile

FrameworkFunctions Categories Subcategories Informative Reference

IDENTIFYID

PROTECTPR

DETECTDE

RESPONDRS

RECOVERRC

IDENTIFY

PROTECT

DETECT

RESPOND

RECOVER

Framework Function Category Identifier Category

IDENTIFY(ID)

ID.AM Asset Management

ID.BE Business Environment

ID.GV Governance

ID.RA Risk Assessment

ID.RM Risk Management Strategy


PROTECT(PR)

PR.AC Access Control

PR.AT Awareness and Training

PR.DS Data Security

PR.IPInformation Protection Processes and Procedures

PR.MA Maintenance

PR.PT Protective Technology

IDENTIFY

PROTECT

DETECT

RESPOND

RECOVER

IDENTIFY

PROTECT

DETECT

RESPOND

RECOVER


DETECT(DE)

DE.AE Anomalies and Events

DE.CM Security Continuous Monitoring

DE.DP Detection Processes

IDENTIFY

PROTECT

DETECT

RESPOND

RECOVER


RESPOND(RS)

RS.RP Response Planning

RS.CO Communications

RS.AN Analysis

RS.MI Mitigation

RS.IM Improvements

IDENTIFY

PROTECT

DETECT

RESPOND

RECOVER


RECOVER(RC)

RC.RP Recovery Planning

RC.IM Improvements

RC.CO Communications

Cybersecurity Risks

Manage Risks

Partial Risk Informed

Repeatable Adaptive

Framework Core


Framework Profile

Framework

Consideration• Risk management practices, threat environment,

legal & regulatory req., objectives & constraints

Elements:

•Risk Management Process

•Integrated Risk Management Program

•External Collaboration

Framework Core


Framework Profile

Framework

Risk Management

Process

Integrated Risk Management Program

External Participation

Partial • Not formalized• Reactive

• Limited awareness• Irregular risk management

• Private informationNo external collaboration

Risk Informed• Approved practices• Not widely use as

policy

• More awareness• Risk-informed, processes &

procedures• Adequate resources• Internal sharing

Not formalized to interact & share information

Repeatable • Approved as Policy• Update regularly

• Organization approach• Risk-informed, processes &

procedures defined & implemented as intended, and reviewed• Knowledge & skills

• Collaborate• Receive information

Adaptive Continuous improvement

• Risk-informed, processes & procedures for potential events• Continuous awareness

• Actively

Actively shares information

Framework Core


Framework Profile

Alignment of Framework Core and business requirements, risk tolerance & resources

Establish roadmap to reduce risk aligned with organizational and sector goals

Describe current and desired state of specific events

Action plan to address gaps

Framework

Create or improve a program

1. Prioritize and Scope

2. Orient

3. Create current profile

4. Conduct Risk assessment

5. Create target profile

6. Determine, Analyze &

Prioritize Gaps

7. Implement Action Plan

Study Case

http://www.intel.com/content/www/us/en/government/cybersecurity-framework-in-action-use-case-brief.html

Conclusion

Conclusion Reduce and better manage cybersecurity risks

Not a one-size-fits-all approach

Reference1. NIST (2014). Framework for Improving Critical Infrastructure Cybersecurity. Retrieved from NIST site:

http://www.nist.gov/cyberframework/upload/cybersecurity-framework-021214.pdf

2. ISF (2007). The Standard of Good Practice for Information Security. Retrieved from Security Forum site: https://www.securityforum.org/userfiles/public/SOGP.pdf

3. IASME (2015) IASME Self-Assessment Questionnaire. Retrieved from IASME site: https://www.iasme.co.uk/index.php

4. Johnson, S. (2008). NERC Cyber Security Standards. SANS. Retrieved from SANS site: https://files.sans.org/summit/scada08/Stan_Johnson_NERC_Cyber_Security_Standards.pdf

5. Center for Internet Security. Retrieved from http://www.cisecurity.org/.

6. Solutionary (n.d.) Security Frameworks. Retrieved from Solutionary site: http://www.solutionary.com/compliance/security-frameworks/

7. Intel (2015). The Cybersecurity Framework in Action: An Intel Use Case. Retrieved from Intel site: http://www.intel.com/content/www/us/en/government/cybersecurity-framework-in-action-use-case-brief.html

http://www.nist.gov/cyberframework/upload/cybersecurity-framework-021214.pdf

https://www.securityforum.org/userfiles/public/SOGP.pdf

https://www.iasme.co.uk/index.php

https://files.sans.org/summit/scada08/Stan_Johnson_NERC_Cyber_Security_Standards.pdf

http://www.cisecurity.org/

http://www.solutionary.com/compliance/security-frameworks/