NIST Unveils Preliminary Cybersecurity Framework

Transcription

1 November 25, 2013 Practice Group: Cyber Law and Cybersecurity NIST Unveils Preliminary Cybersecurity Framework By Roberta D. Anderson On October 22, the National Institute of Standards and Technology (NIST) released its longanticipated Preliminary Cybersecurity Framework 1 for public review and comment. The Cybersecurity Framework was issued in accordance with President Obama s February 19 Executive Order 13636, Improving Critical Infrastructure Cybersecurity, 2 which tasked NIST with developing a Cybersecurity Framework to reduce cyber risks to critical infrastructure. 3 The Executive Order states that the Cybersecurity Framework must provide a prioritized, flexible, repeatable, performance-based, and cost-effective approach, including information security measures and controls, to help owners and operators of critical infrastructure identify, assess, and manage cyber risk. 4 Critical infrastructure organizations include those in the chemical, communications, critical manufacturing, defense, financial services, energy, healthcare, and information technology sectors, among others. 5 As stated in the Executive Order, [t]he cyber threat to critical infrastructure continues to grow and represents one of the most serious national security challenges we must confront. 6 NIST developed the Cybersecurity Framework based on information gathered over the past six months, including a Request for Information published in the Federal Register 7 and a series of four open public workshops held at various locations throughout the United States. A key objective of the Cybersecurity Framework is to encourage organizations to consider cybersecurity risk as a priority similar to financial, safety, and operational risk. 8 At a very high level, as its name indicates, the Cybersecurity Framework provides a framework for critical infrastructure organizations to achieve a grasp on their current cybersecurity risk profile and risk management practices, to identify gaps that should be addressed in order to progress towards a desired target state of cybersecurity risk management, and to internally and externally communicate efficiently about cybersecurity and risk management. In releasing the Cybersecurity Framework, NIST explained that it offers a common language and mechanism for organizations to determine and describe their current cybersecurity posture, as well as their target state for cybersecurity and will help them to identify and prioritize opportunities for improvement within the context of risk 1 The Cybersecurity Framework is available at FED. REG (2013). The Executive Order is available at 3 Executive Order, Section 7(a). 4 Id., Section 7(b). Critical infrastructure as used in the Executive Order means 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. Id. Section 2. This is the meaning given to the term in the Critical Infrastructures Protection Act of 2001, 42 U.S.C. 5195c(e). 5 Presidential Policy Directive/PPD 21, Critical Infrastructure Security and Resilience, (Feb. 12, 2013), available at (reference PPD 21 ), identifies 16 critical infrastructure sectors. See id. at Executive Order, Section FED. REG (2013). The Request for Information is available at 26/pdf/ pdf. 8 Cybersecurity Framework, at 1.

2 management and to assess progress toward their goals. 9 Although applying to organizations in critical infrastructure, the Cybersecurity Framework may be used by any organization as part of its effort to assess cybersecurity practices and manage cybersecurity risk. Three-Part Approach The Cybersecurity Framework adopts a risk-based approach composed of three parts: the Framework Core, Framework Profile, and Framework Implementation Tiers. 10 The Framework Core The Framework Core is a set of cybersecurity activities that are common across critical infrastructure sectors. It consists of five high-level Functions, which, as stated by NIST, organize basic cybersecurity activities at their highest level. 11 The five Functions are: (1) Identify, 12 (2) Protect, 13 (3) Detect, 14 (4) Respond, 15 and (5) Recover. 16 NIST explains that these Functions will provide a concise way for senior executives and others to distill the fundamental concepts of cybersecurity risk so that they can assess how identified risks are managed, and how their organization stacks up at a high level against existing cybersecurity standards, guidelines, and practices. 17 For each of the five Functions, the Framework Core identifies underlying key Categories and Subcategories, and then matches them with Informative References, such as existing cybersecurity standards, guidelines, and practices. By way of example, Categories within the Protect Function include Access Control, Awareness and Training, Data Security, Information Protection Processes and Procedures, and Protective Technology. 18 Subcategories under the Access Control Category within the Protect Function include (but are not limited to) [i]dentities and credentials are managed for authorized devices and users and [n]etwork integrity is protected. 19 Informative References for [i]dentities and credentials are managed for authorized devices and users include the following: ISA COBIT DSS05.04, DSS06.03 SO/IEC A.11 NIST SP Rev. 4 AC-2, AC-5, AC-6, IA Family 9 NIST Releases Preliminary Cybersecurity Framework, Will Seek Comments (Oct. 22, 2013), available at 10 Cybersecurity Framework, at Id. at This is to [d]evelop the institutional understanding to manage cybersecurity risk to 243 organizational systems, assets, data, and capabilities. Id. at This is to [d]evelop and implement the appropriate safeguards, prioritized through the organization s risk management process, to ensure delivery of critical infrastructure services. Id. 14 This is to [d]evelop and implement the appropriate activities to identify the occurrence of a cybersecurity event. Id. at This is to [d]evelop and implement the appropriate activities, prioritized through the organization s risk management process (including effective planning), to take action regarding a detected cybersecurity event. Id. 16 This is to [d]evelop and implement the appropriate activities, prioritized through the organization s risk management process, to restore the capabilities or critical infrastructure services that were impaired through a cybersecurity event. Id. 17 Id. at Cybersecurity Framework, at Id.at (Appendix A). 2

3 CCS CSC The Cybersecurity Framework relies upon existing private sector and governmental cybersecurity standards, guidelines, and practices as a basis to build or augment an organization s cybersecurity risk management practices. The following Figure 1 from the Cybersecurity Framework depicts the Framework Core: NIST explains that [t]his structure ties the high level strategic view, outcomes and standards based actions together for a cross-organization view of cybersecurity activities. 21 The Framework Core is intended to facilitate cybersecurity and risk management communications within an organization, including among senior management, middle management and operational staff. In releasing the Cybersecurity Framework, NIST explained that it will foster communications among internal and external stakeholders and help organizations hold each other accountable for strong cyber protections. 22 The Framework Profile In essence, the Framework Profile describes an organization s current state of cybersecurity risk management and can be used to track progress towards a target state of cybersecurity risk management. As described by NIST, the Framework Profile can be used to describe both the current state and the desired target state of specific cybersecurity activities, thus revealing gaps that should be addressed to meet cybersecurity risk management 20 Id.at 16 (Appendix A). 21 Id. at NIST Releases Preliminary Cybersecurity Framework, Will Seek Comments (Oct. 22, 2013), available at 3

4 objectives. 23 Framework Profiles are used to identify opportunities for improving cybersecurity by comparing a Current Profile with a Target Profile. 24 The Framework Implementation Tiers The Framework Implementation Tiers, which range from Partial (Tier 1) to Adaptive (Tier 4), describe the degree to which an organization s cybersecurity practices exhibit desirable characteristics. The Tiers consider cybersecurity risk management practices, the level of awareness of cybersecurity risk at the organizational level, and the processes, or lack thereof, in place to coordinate or collaborate with other entities. By way of example, considering the risk management aspect, at Tier 1 [o]rganizational cybersecurity risk management practices are not formalized and risk is managed in an ad hoc and sometimes reactive manner. 25 At Tier 2, [r]isk management practices are approved by management but may not be established as organizational-wide policy. 26 At Tier 3, [t]he organization s risk management practices are formally approved and expressed as policy. 27 At Tier 4, [t]hrough a process of continuous improvement, the organization actively adapts to a changing cybersecurity landscape and responds to emerging/evolving threats in a timely manner. 28 Implementation The Cybersecurity Framework is voluntary--at least for now. NIST has explained that the Framework complements, and does not replace, an organization s existing business or cybersecurity risk management process and cybersecurity program. 29 The Cybersecurity Framework can serve as the foundation for a new cybersecurity program or a mechanism for improving an existing program. 30 Although the Cybersecurity Framework is voluntary, organizations are advised to keep in mind that creative class action plaintiffs (and even some regulators) may nevertheless assert that the Cybersecurity Framework provides a de facto standard for cybersecurity and risk management. Importantly, the Cybersecurity Framework can be used as a means to communicate an organization s required cybersecurity standards to business partners. As stated by NIST, [t]he Framework provides a common language to communicate requirements among interdependent partners responsible for the delivery of essential critical infrastructure services, such as, for example, the utilization of a Target Profile to express requirements to an external service provider (e.g., a cloud provider) to which it is exporting data. 31 This is significant because the cybersecurity shortcomings of cloud and other providers can have a profound impact on supply chains. As explained by NIST: 23 Cybersecurity Framework, at 7. NIST further describes the Framework Profile as a tool to enable organizations to establish a roadmap for reducing cybersecurity risk that is well aligned with organization and sector goals, considers legal/regulatory requirements and industry best practices, and reflects risk management priorities. Id. 24 Id. at Id. at Id. at Id. 28 Id. 29 Id. at Id. at Id. at 12. 4

5 All organizations are part of, and dependent upon, product and service supply chains. Supply chains consist of organizations that design, make, source, and deliver products and services. Disruptions in one part of the supply chain may have a cascading and adverse impact on organizations throughout the supply chain, both up and downstream, and across multiple sectors and subsectors. Although many organizations have robust internal risk management processes, there remain challenges related to criticality and dependency analysis, collaboration, information sharing, and trust mechanisms throughout the supply chain. As a result, organizations continue to struggle to identify their risks and prioritize their actions due to these operational dependencies and the weakest links are susceptible to penetration and disruption. Supply chain risk management, particularly in terms of product and service integrity, is an emerging discipline characterized by diverse perspectives, disparate bodies of knowledge, and fragmented standards and best practices. 32 Incentives -- And Insurance As of yet unspecified governmental incentives will be offered to organizations that adopt the framework. The Executive Order directs the Secretary of Homeland Security, in coordination with sector-specific agencies, to establish a voluntary program to support the adoption of the Cybersecurity Framework by owners and operators of critical infrastructure and any other interested entities, called the Program, and to coordinate establishment of a set of incentives designed to promote participation in the Program. 33 On August 6, the White House previewed a list of possible incentives, including Cybersecurity Insurance at the top of the list. 34 If Cybersecurity Insurance is adopted as an incentive, organizations that participate in the Program may, for example, enjoy more streamlined underwriting and reduced cyber insurance premiums. As stated by Michael Daniel, Special Assistant to the President and Cybersecurity Coordinator, agencies have suggested that the insurance industry be engaged when developing the standards, procedures, and other measures that comprise the Framework and the Program and that [t]he goal of this collaboration would be to build underwriting practices that promote the adoption of cyber risk-reducing measures and risk-based pricing and foster a competitive cyber insurance market. 35 Mr. Daniel states that NIST is taking steps to engage the insurance industry in further discussion on the Framework. 36 The placement of Cybersecurity Insurance at the top of a list of possible incentives underscores the important role that insurance can play in an organization s overall strategy to manage and mitigate cybersecurity risk, including supply chain disruption. 37 Adam Sedgewick, Senior Information Technology Policy Advisor at NIST, stated in a recent interview that NIST views the insurance industry as a major stakeholder [in] helping 32 Id. at Executive Order, Section 8(a, d). 34 Michael Daniel, Incentives to Support Adoption of the Cybersecurity Framework, The White House Blog (Aug. 6, 2013), available at 35 Id. Other potentially significant incentives include leveraging federal grant programs, limitations on liability, including reduced tort liability, limited indemnity, higher burdens of proof, or the creation of a Federal legal privilege that preempts State disclosure requirements, and optional public recognition for participants in the Program and their vendors. Id. 36 Id. 37 See Roberta D. Anderson, Insurance Coverage for Cyber Attacks, THE INSURANCE COVERAGE LAW BULLETIN, Vol. 12, Nos. 4 & 5 (May-June 2013). 5

6 organizations manage their cyber risk. 38 All of this is consistent with the SEC s guidance on cybersecurity disclosures under the federal securities laws, which advises that appropriate disclosures may include, among other things, a [d]escription of relevant insurance coverage for cybersecurity risks. 39 Request For Comment NIST is seeking comments on the Cybersecurity Framework 40 and organizations have a unique opportunity to potentially shape the final Cybersecurity Framework. Both written and electronic comments should be submitted using the comment template form available electronically from the NIST website 41 and are due by December 13, The final version of the Cybersecurity Framework is due to be released in February * * * * * Our Cybersecurity practice group is uniquely positioned to assist our clients in all aspects of addressing and mitigating cyber risks, including assisting our clients to understand the scope, impact, applicability, and implications of the President s Executive Order, Presidential Policy Directive 21, and the developing Cybersecurity Framework and Program incentives. Author: Roberta D. Anderson [email protected] Other Contacts: Bruce J. Heiman [email protected] David A. Bateman [email protected] Anchorage Austin Beijing Berlin Boston Brisbane Brussels Charleston Charlotte Chicago Dallas Doha Dubai Fort Worth Frankfurt Harrisburg Hong Kong Houston London Los Angeles Melbourne Miami Milan Moscow Newark New York Orange County Palo Alto Paris Perth Pittsburgh Portland Raleigh Research Triangle Park San Diego San Francisco São Paulo Seattle Seoul Shanghai Singapore Spokane Sydney Taipei Tokyo Warsaw Washington, D.C. Wilmington K&L Gates practices out of 48 fully integrated offices located in the United States, Asia, Australia, Europe, the Middle East and South America and represents leading global corporations, growth and middle-market companies, capital markets participants and 38 See Janet Aschkenasy, NIST to engage insurance as tool to manage cyber risk, Advisen (Oct 28, 2013 ) (quoting Mr. Sedgewick). 39 SEC Division of Corporation Finance, Cybersecurity, CF Disclosure Guidance: Topic No. 2 (Oct. 13, 2011), available at FED. REG (2013)

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