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Saturday, July 20, 2024

Cyberspace Solarium Commission Recommends Layered Cyber Deterrence in New Report

The Cyberspace Solarium Commission (CSC) was established in the John S. McCain National Defense Authorization Act for Fiscal Year 2019 to “develop a consensus on a strategic approach to defending the United States in cyberspace against cyber attacks of significant consequences.” The finished report was presented to the public today.

After conducting an extensive study including over 300 interviews, a competitive strategy event modeled after the original Project Solarium in the Eisenhower administration, and stress tests by external red teams, the Commission advocates a new strategic approach to cybersecurity: layered cyber deterrence. The desired end state of layered cyber deterrence is a reduced probability and impact of cyberattacks of significant consequence. The strategy outlines three ways to achieve this end state:

  • Shape behavior. The United States must work with allies and partners to promote responsible behavior in cyberspace.
  • Deny benefits. The United States must deny benefits to adversaries who have long exploited cyberspace to their advantage, to American disadvantage, and at little cost to themselves. This new approach requires securing critical networks in collaboration with the private sector to promote national resilience and increase the security of the cyber ecosystem.
  • Impose costs. The United States must maintain the capability, capacity, and credibility needed to retaliate against actors who target America in and through cyberspace.

Each of the three ways described above involves a deterrent layer that increases American public- and private-sector security by altering how adversaries perceive the costs and benefits of using cyberspace to attack American interests. These three deterrent layers are supported by six policy pillars that organize more than 75 recommendations. These pillars represent the means to implement layered cyber deterrence.

While deterrence is an enduring American strategy, there are two factors that make layered cyber deterrence bold and distinct. First, the approach prioritizes deterrence by denial, specifically by increasing the defense and security of cyberspace through resilience and public- and private-sector collaboration. Reducing the vulnerabilities adversaries can target denies them opportunities to attack American interests through cyberspace. Second, the strategy incorporates the concept of “defend forward” to reduce the frequency and severity of attacks in cyberspace that do not rise to a level that would warrant the full spectrum of retaliatory responses, including military responses. Though the concept originated in the Department of Defense, the Commission integrates defend forward into a national strategy for securing cyberspace using all the instruments of power. Defend forward posits that to disrupt and defeat ongoing adversary campaigns, the United States must proactively observe, pursue, and counter adversaries’ operations and impose costs short of armed conflict. This posture signals to adversaries that the U.S. government will respond to cyberattacks, even those below the level of armed conflict that do not cause physical destruction or death, with all the tools at its disposal and consistent with international law.

The Cyberspace Solarium Commission report consists of over 80 recommendations which are organized into 6 pillars. These 6 pillars are as follows:
  1. Reform the U.S. Government’s Structure and Organization for Cyberspace. While cyberspace has transformed the American economy and society, the government has not kept up. Existing government structures and jurisdictional boundaries fracture cyber policymaking processes, limit opportunities for government action, and impede cyber operations. Rapid, comprehensive improvements at all levels of government are necessary to change these dynamics and ensure that the U.S. government can protect the American people, their way of life, and America’s status as a global leader.
  2. Strengthen Norms and Non-Military Tools. A system of norms, built through international engagement and cooperation, promotes responsible behavior and dissuades adversaries from using cyber operations to undermine American interests. The United States and others have agreed to norms of responsible behavior for cyberspace, but they go largely unenforced. The United States can strengthen the current system of cyber norms by using non-military tools, including law enforcement actions, sanctions, diplomacy, and information sharing, to more effectively persuade states to conform to these norms and punish those who defect from them. A coalition of like-minded allies and partners willing to collectively support a rules-based international order in cyberspace will better hold malign actors accountable.
  3. Promote National Resilience. Resilience, the capacity to withstand and quickly recover from attacks that could cause harm or coerce, deter, restrain, or otherwise shape U.S. behavior, is key to denying adversaries the benefits of their operations and reducing confidence in their ability to achieve their strategic ends. National resilience efforts rely on the ability of both the United States public and private sectors to accurately identify, assess, and mitigate risk across all elements of critical infrastructure. The nation must be sufficiently prepared to respond to and recover from an attack, sustain critical functions even under degraded conditions, and, in some cases, restart critical functionality after disruption.
  4. Reshape the Cyber Ecosystem. Raising the baseline level of security across the cyber ecosystem—the people, processes, data, and technology that constitute and depend on cyberspace—will constrain and limit adversaries’ activities. Over time, this will reduce the frequency, scope, and scale of their cyber operations. Because the vast majority of this ecosystem is owned and operated by the private sector, scaling up security means partnering with the private sector and adjusting incentives to produce positive outcomes. In some cases, that requires aligning market forces. In other cases, where those forces either are not present or do not adequately address risk, the U.S. government must explore legislation, regulation, executive action, and public-as well as private-sector investments.
  5. Operationalize Cybersecurity Collaboration with the Private Sector. Unlike in other physical domains, in cyberspace the government is often not the primary actor. It must support and enable the private sector. The government must build and communicate a better understanding of threats, with the specific aim of informing private-sector security operations, directing government operational efforts to counter malicious cyber activities, and ensuring better common situational awareness for collaborative action with the private sector. While recognizing that private-sector entities have primary responsibility for the defense and security of their networks, the U.S. government must bring to bear its unique authorities, resources, and intelligence capabilities to support these actors in their defensive efforts.
  6. Preserve and Employ the Military Instrument of National Power. Future crises and conflicts will almost certainly contain a cyber component. In this environment, the United States must defend forward to limit malign adversary behavior below the level of armed attack, deter conflict, and, if necessary, prevail employing the full spectrum of its capabilities. Conventional weapons and nuclear capabilities require cybersecurity and resilience to ensure that the United States preserves credible deterrence and the full range of military response options. Across the spectrum from competition to crisis and conflict, the United States must ensure that it has sufficient cyber forces to accomplish strategic objectives through cyberspace.

Read the full report

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The Government Technology & Services Coalition's Homeland Security Today (HSToday) is the premier news and information resource for the homeland security community, dedicated to elevating the discussions and insights that can support a safe and secure nation. A non-profit magazine and media platform, HSToday provides readers with the whole story, placing facts and comments in context to inform debate and drive realistic solutions to some of the nation’s most vexing security challenges.

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