Chris McInnes is Executive Director at the Air Power Institute. He is an air power and national security expert with 25 years of experience in the military, government, and industry and is also a frequent commentator and speaker at defence seminars here in Australia.

Deterrence Down Under Podcast: Australian Air Power and Deterrence with Chris McInnes was originally published on Global Security Review.

At the time, the Soviet Union and United States committed to reducing their nuclear arsenals, eliminating an entire category of nuclear weapons, and allowing thorough onsite inspections to ensure treaty compliance. During the Cold War, the INF Treaty served as a crucial stabilizing mechanism in the global nuclear order. Historically, the Strategic Arms Limitation Talks (SALT) of 1972 and 1979 were the first of several agreements between the US and the Soviet Union. As a result, both sides agreed to reduce their strategic weaponry, which included ballistic missile defenses, submarine-launched ballistic missiles, and intercontinental ballistic missiles.

In 1987, Ronald Reagan and Mikhail Gorbachev signed the INF Treaty. Additionally, they established inspection procedures to make sure both parties followed the agreement. Due to the treaty, 2,600 missiles were destroyed, marking a significant Cold War breakthrough. Despite decades of arms control, the US and Russia still field the largest nuclear forces. Although it is challenging to determine the exact extent of their stockpiles, the Stockholm International Peace Research Institute (SIPRI) estimates that the US possesses 5,328 warheads, while Russia has 5,580.

In August 2025, Russia declared it would no longer fulfil its commitments under the INF Treaty, citing increasing threats from the United States and other Western nations. When the US withdrew from the INF Treaty in 2019 because of Russian noncompliance with treaty limitations, Moscow stated that it would not use such weapons as long as Washington did not. This may have served as an effective ruse, but it served a purpose.

Questions are increasing about the utility of nuclear proliferation, the threat of arms racing, and the future of nuclear deterrence following the decision of Russia to fully abrogate the INF Treaty. The collapse of the INF Treaty represents a significant shift in the trajectory of international arms control.

The situation took a more dramatic turn as President Donald Trump announced that the US would move two of its nuclear-armed submarines closer to Russia in reaction to the “inflammatory statements” issued by former Russian President Dmitry Medvedev. This action highlights the challenge that arises when arms control breaks down—the potential for misunderstandings and overreactions increase.

Among nuclear-armed states, communication, predictability, and a certain measure of self-control are essential elements of nuclear deterrence. They were shaped by the INF Treaty, which placed verifiable limitations on missile sites. With the failure of the INF Treaty, useful tools were removed.

The future deployment of intermediate-range systems in regions that were shielded from them may prove an urgent strategic issue. Once at the epicenter of Cold War nuclear worries, Europe may have to host such weapons once more, but with improved accuracy, shorter travel times, and, perhaps, lower yields.

Deterrence dynamics in the Asia-Pacific are more difficult, especially between the US, China, and Russia, after the INF Treaty. The great powers are now accelerating nuclear modernization, while non-nuclear states are reconsidering their nonproliferation commitments. A replay of the Cold War–era European missile crisis has emerged with the collapse of the treaty.

Now, both Russia and the US are free to use and develop short-, medium-, and intermediate-range missiles without any official restraints. One more issue concerns the intentions of other governments, who may be influenced by the deterioration of controls on nuclear systems. States that did not previously possess nuclear weapons may choose to acquire them. Modern arms racing may be fast, less predictable, and more destabilizing due to technological advancements, such as autonomous delivery systems, hypersonic weapons, and AI-assisted targeting.

There are limited prospects for cooperative tools to mitigate these risks of escalation between the US and Russia. The two largest nuclear powers have a special duty to control and limit the scope of their competition.

Measures that encourage openness, trust, and communication between nuclear and non-nuclear governments will be crucial. In the absence of a global treaty, regional security accords, tailored to today’s security challenges, can effectively restrict risky deployments and restrain great powers from further modernizing their nuclear arsenals.

Nations in the Asia-Pacific can, for example, agree to mutual missile deployment restrictions similar to those in the INF Treaty’s verification procedures, which include regular inspections and satellite monitoring by mutual compliance. This would prevent insecure military build-ups in the region and reduce mistrust between states. Whatever course nations take, the importance of preventing escalation to nuclear use is foremost.

Nazia Sheikh is a Research Officer at the Centre for International Strategic Studies, AJK. Views expressed in this article are the author’s own. 

The Uncertain Future of Nuclear Deterrence and Proliferation was originally published on Global Security Review.

The Oxford Essential Dictionary of the US Military defines deterrence as “the prevention from action by fear of the consequences. Deterrence is a state of mind brought about by the existence of a credible threat of unacceptable counteraction.” From this, readers can deduce that deterrence is a state of mind and a product of rational decision-making.

Basing security policy on either of these assumptions is foolhardy. It is challenging to calibrate deterrence. This requires distinguishing enough deterrence, where credible fear of counteraction keeps the peace, from too much deterrence, where credible fear of an opponent’s motives can lead to a preemptive attack.

First, some practical examples. Returning to October 7, 2023, it is possible to say Israeli deterrence failed. Since 1948 Israel has sought to maintain a level of strength and preparedness sufficient to prevent its enemies from planning and executing attacks, using the threat of overwhelmingly force to maintain deterrence against its enemies.

The first major sign of trouble with this approach came in 1968, months after Israel’s defeat of its Arab neighbors in the Six-Day War, when Egypt began preparing a response. This came in October 1973 with Operation Badr, the attack which kicked off the Yom Kippur War. Similarly, Hamas began planning its 2023 attack immediately after a major defeat nine years before in the Gaza War of July–August 2014.

In both cases, deterrence failed years before the actual attacks. Israel’s overwhelming military superiority simply delayed the inevitable response to a situation its adversaries saw as absolutely unacceptable. Israel, overconfident in its deterrent capability, discounted the danger when intelligence assets began to report trouble. Thus, a single-minded reliance on deterrence actually led to future conflict.

So much for recent practice. On the theoretical side, scholars and practitioners alike have sought to chart the proximate triggers of war. The Athenian general Thucydides offered a multi-dimensional explanation in his History of the Peloponnesian War. He believed conflict resulted from three factors: Phobos (fear), kerdos (self-interest), and/or doxa (honor or reputation).

Deterrence, as we have seen, relies on threats of force which induce phobos, and therein lies a huge problem: it ignores the crucial elements of self-interest and honor or reputation. Thucydides named phobos as a principal trigger for conflict, even as definitions of deterrence, the current paradigm for conflict prevention, cite its reliance on instilling phobos. As the French might say, not only does deterrence fail in practice, but even worse, it does not work in theory.

Nuclear Deterrence and Global Devastation 

The shortcomings of conventional deterrence are well documented. Then there is its younger brother, nuclear deterrence. The story there is much simpler. Recent research on nuclear winter has lowered estimates of the megatonnage of nuclear detonations needed to trigger the phenomenon. Significant global effects leading to the starvation of over a billion people could be triggered by the use of as few as one hundred “small” Hiroshima-sized (total 1.5 megatons) explosions over urban targets.

This is extraordinarily bad news for the nuclear weapons priesthood, which has been chanting slogans of escalation dominance in government ears since the 1960s. The only rational nuclear deterrence that can be relied upon, it now seems, is self-deterrence, where a conflict which seems unwinnable by conventional means is now far more likely to appear unthinkable in nuclear terms.

Seeking a Realistic, Effective Alternative

Eliminating all nuclear weapons is clearly a necessary part of the journey towards lasting peace. But focusing on particular weapons is miscasting the problem and thus misunderstanding the nature of the solution. The world needs a transition away from the deterrence-based para bellum paradigm, the idea that achieving peace requires constant preparation for war, toward a new way of looking at conflict. This article proposes a radically different paradigm, Trinitarian Realism, which rests upon three principal assumptions.

First, in a concept borrowed from the Christian Trinity, one’s individual confession (peccavi) is important, but the collective and universal confession (peccavimus) is crucial in international peacebuilding. All need to recognize that each has sinned and fallen short, that no one comes to the table, any table, anywhere, with completely clean hands. Second, readers must truly grasp Carl von Clausewitz’s “remarkable trinity” in war, combining the irrational (war moves a citizenry to violence, hatred, and enmity); the non-rational (commanders face “the play of chance and probability”); and the über-rational (governments attempt to “subordinat[e war] as an instrument of policy”).

This guarantees wholly unknowable results. As Nassim Nicholas Taleb points out, “What is surprising is not the magnitude of our forecast errors, but our absence of awareness of it. This is all the more worrisome when engaging in deadly conflicts; wars are fundamentally unpredictable (and we do not know it).” Finally, that the July 16, 1945, Trinity event at White Sands, New Mexico, the first nuclear explosion, introduced a global catastrophic risk arising from the multiple and wide-ranging ecological effects of nuclear winter.

A transition away from deterrence can begin by not reflexively demonizing anyone with whom there is a serious disagreement. Softening morality projections and focusing judgment on a better understanding of complex collective emotions is also helpful. We can do this with far greater humility, including recognition that we will get our assessments wrong.

Writing of diplomatic historian and Christian apologist Herbert Butterfield, political scientist Paul Sharp provided the bare bones of a three-dimensional replacement for deterrence which we call strategic compassion: “Butterfield’s writings on Christianity and international relations suggest…the moral principles of self-restraint [as antidote for fear/phobos], empathy [honor/doxa] and charity [self-interest/kerdos] upon which an effective diplomacy should be based.”

Finally, we believe that nations must abandon their attachment to nuclear deterrence postures for the reasons outlined above and must accept the eradication of all nuclear weapons—before they eradicate all of us.

Paul Ingram is a Research Affiliate and former Academic Programme Manager with the Centre for the Study of Existential Risk (CSER) at Cambridge University. Edmond E. (Ted) Seay III is a retired Foreign Service Officer with 26 years’ experience in arms control, disarmament, and nonproliferation. His final assignment was as principal arms control advisor to US NATO Permanent Representative to the North Atlantic Council Ivo Daalder.

Deconstructing Deterrence was originally published on Global Security Review.

The credibility of the nation’s nuclear deterrent, the ultimate guarantor of sovereignty, is inextricably linked to domestic well-being. Economic prosperity, social cohesion, and the trust citizens have in their institutions are all part of that amorphous concept. Adversaries like Russia and China understand that it is in their interest to undermine American societal health; it is time Americans realize the challenge facing the nation.

For decades, the logic of nuclear deterrence rested on a triad of capabilities, credibility, and communication. The United States fielded the world’s most advanced nuclear arsenal and communicated credibility effectively. But credibility—the unwavering belief in America’s will to act—is the lynchpin.

This is where the home front becomes the front line. A nation that is prosperous, unified, and optimistic possesses the strategic endurance to maintain its commitments. Societal well-being is not a “soft” issue separate from “hard” power; it is a foundational strategic asset that fuels long-term political resolve.

The mechanisms connecting a healthy society to a credible deterrent are not merely theoretical. They are etched into recent history. Consider the 1980s under President Reagan. An economic resurgence and a renewed sense of national confidence provided the political capital and financial resources for a sweeping modernization of nuclear forces that saw the Peacekeeper ICBM and the B-2 stealth bomber enter service.

This was not just a military build-up; it was a clear signal to the Soviet Union, born from a nation that had the resources and the will to compete over the long haul. High public trust, buoyed by economic stability, sustained the political commitment for these massive, multi-decade investments.

Contrast this with the period following the 2008 financial crisis. The ensuing economic pain, political polarization, and public discontent led directly to the Budget Control Act and sequestration, which imposed punishing cuts on the defense budget. Allies and adversaries alike watched as Americans debated whether they could afford to modernize an aging nuclear triad. The signal was one of constraint and introspection, raising quiet questions in foreign capitals about the long-term reliability of America’s security guarantees. A nation struggling with internal economic and social crises inevitably projects an image of distraction and dwindling resolve.

Adversaries did not miss this lesson. They astutely integrated America’s domestic vulnerabilities into their national security strategies. China and Russia are engaged in a relentless campaign of information warfare designed to exacerbate our societal fissures. State-controlled media outlets like CGTN (Chinese) and RT (Russian), amplified by armies of bots and trolls on social media, relentlessly spotlight American inequality, racial tensions, and political gridlock.

Their goal is twofold: erode the confidence of Americans in their own democratic system and persuade the world that the United States is a chaotic, declining power whose deterrence is brittle and promises are hollow. By turning societal metrics into weapons against Americans, adversaries aim to achieve strategic gains without firing a shot.

Of course, the relationship between societal health and defense is not without its complexities. A valid counterargument holds that a society enjoying high well-being might become complacent, preferring to spend its “peace dividend” on social programs rather than defense. The post–Cold War era saw this exact debate, as calls to shift funding from “guns to butter” grew louder.

This presents a genuine leadership challenge that requires articulating why investments in national security are essential to protecting the very prosperity and stability Americans enjoy. The choice is not always between a new healthcare program and a new submarine. A strong, healthy, and educated populace, free from economic precarity, is the very foundation that allows a nation to project power and afford the tools of its own defense. A robust social safety net and a powerful military are not mutually exclusive—they are mutually reinforcing pillars of a resilient state.

This calculus extends to the nation’s most critical strategic advantage: America’s network of alliances. The strength of the North Atlantic Treaty Organization (NATO), for instance, is not purely a measure of its combined military hardware. It is rooted in a collective commitment to democratic values and the shared societal well-being of its members.

A stable, prosperous, and unified America reassures allies and strengthens collective deterrence. Conversely, an America seen as internally fractured and unreliable invites doubt, weakening the very alliances that magnify American power. When allied societies are confident in American leadership, collective credibility soars.

Therefore, Americans must rethink national security for the twenty-first century by placing American well-being at the very heart of our strategic imperatives. Bridging the economic divide not only broadens our tax base but also strengthens social cohesion, enabling sustainable defense budgets without overburdening taxpayers. Revitalizing education fuels scientific breakthroughs and cultivates the skilled workforce needed to modernize our nuclear command, control, and delivery systems. Upgrading infrastructure, from critical ports and highways to resilient cybersecurity networks, enhances our logistical agility, accelerates force deployment, and bolsters the credibility of our deterrent. By fostering political unity, we project resolve to allies and adversaries alike, inoculating our society against foreign information warfare and ensuring decisive, coordinated responses in times of crisis.

The defining contest of this century will not be waged on traditional battlefields but in a struggle of systems: our free, prosperous, and cohesive society versus an authoritarian model of centralized control. To secure our peace, we must fortify America’s Silent Shield at home. The credibility of our nuclear deterrent, and, by extension, our global leadership, will always mirror the resilience and unity of the nation it protects.

Brandon Toliver, PhD, serves on the A4 staff of Headquarters Air Force. The views expressed are those of the author and do not reflect the official guidance or position of the United States government, the Department of Defense, the United States Air Force, or the United States Space Force.

America’s Silent Shield: How Domestic Strength Sustains Nuclear Power was originally published on Global Security Review.

Maritime ports authorize customs clearance and are involved in regulatory checks, ensuring compliance with national and international law. Ports perform most of these functions digitally. Maritime ports are now under serious threat of malicious cyberattacks that can disrupt and compromise port operations worldwide.

Industry is deeply interconnected, and a cyberattack on one major port can send shockwaves through global trade networks. Consider a scenario where a major port, responsible for handling millions of cargo containers, suddenly halts operations due to a cyberattack. Cranes freeze, logistics systems collapse, and cargo ships are left stranded at sea. This is not a hypothetical scenario; it is a real and escalating threat to global trade.

The maritime industry, long seen as the backbone of international commerce, now faces an urgent cybersecurity crisis. Ports are no longer just about cranes and cargo; they have evolved into digital ecosystems reliant on interconnected networks, automation, and artificial intelligence. As ports become smarter, they are also becoming more vulnerable. Cybercriminals are increasingly exploiting these vulnerabilities, causing financial losses, operational disruptions, and even national security risks.

Maritime cyberattacks are no longer rare occurrences, they are becoming alarmingly frequent. In 2023, a ransomware attack crippled more than 1,000 vessels by targeting a software provider used across the shipping industry. The attack forced the shipping industry to shut down its ShipManager system, affecting global supply chains. A year earlier, the Port of Lisbon suffered a cyberattack that took its website offline for days, with the ransomware group LockBit claiming responsibility and alleging that it had stolen financial reports, contracts, and ship logs.

In Germany, a 2022 cyberattack on two oil companies disrupted fuel shipments, forcing Shell to reroute supplies and exposing the vulnerabilities of critical maritime infrastructure. The 2017 NotPetya ransomware attack, which paralyzed Maersk and caused an estimated $300 million in damage, remains one of the most devastating cyberattacks in shipping history.

Ports are among the most attractive targets for cybercriminals. The motives behind these attacks vary as some hackers seek financial gain, while others aim to steal sensitive trade-related data, and some may even use cyberattacks as part of hybrid warfare.

The economic consequences are staggering, from ransom payments and insurance hikes to delays that can ripple across global supply chains. Beyond financial losses, cyber threats to ports pose serious security risks. For example, a well-coordinated cyberattack on a major port could disrupt military logistics, cripple trade networks, or even manipulate cargo data to facilitate smuggling and illicit trade.

Hackers carry the potential for unauthorized intrusion into ports’ digital networks and interrupt ports’ routine operation through malicious software attacks. The workforce involved in port management may be trapped into revealing sensitive data by clicking on malicious links. The hackers can also disrupt digital networks that regulate critical port infrastructure, such as cranes, pumps, and valves. Supervisory control and data acquisition (SCADA) systems can come under cyber threats disrupting routine functions. Nonstandard computing hardware like sensors, actuators, or appliances that transmit data from the network wirelessly are vulnerable to data theft.

Hackers can steal data such as cargo manifests, crew information, and financial records. They can also manipulate data, such as altering cargo manifests, or manipulate navigation systems. Hackers can also steal intellectual property, such as trade secrets or proprietary software.

Another pressing issue is supply-chain security. Ports rely on a complex web of third-party vendors for logistics, software, and cargo management. If one vendor is compromised, the entire port system could be at risk.

Hackers can also use unmanned aerial vehicles (UAVs) for surveillance means or to attack port infrastructure, such as damaging equipment or disrupting power supplies. Ports may be exposed to cyberattacks through third-party suppliers, such as logistics providers or maintenance contractors. Ports may be exposed to cyberattacks through cargo and containers, which may contain malicious devices or software.

Cybersecurity in the maritime sector is often treated as an afterthought. Many ports still operate with outdated software and weak security protocols, making them easy targets. Given the critical role of ports in the global economy, the widening cybersecurity gap is a growing challenge. Strengthening port security necessitates urgent regulatory mechanisms, some of which are proposed below.

Regulatory Mechanisms

To mitigate the growing cyber threat, ports should adopt internationally recognized cybersecurity frameworks. First, ports should adhere to the rules and protocols of the International Maritime Organization’s (IMO) Maritime Cyber Risk Management Guidelines, the National Institute of Standards and Technology (NIST) Cybersecurity Framework, and ISO 27001 standards. Implementing these frameworks will help establish clear security protocols and ensure that ports are prepared to defend against cyberattacks.

Second, network security should be reinforced by segmenting information technology (IT) and operational technology (OT) systems, preventing malware from spreading across critical infrastructure. Regular penetration testing and vulnerability assessments can further identify weak points before attackers do.

Third, investing in cybersecurity training for port workers is equally crucial. Many cyberattacks exploit human error—phishing e-mails, weak passwords, and social engineering attacks remain among the most common entry points for hackers. A well-trained workforce can serve as the first line of defense against these threats.

Fourth, leveraging artificial intelligence and machine learning for threat detection can enhance ports’ ability to identify cyber risks before they escalate into full-scale attacks. Artificial intelligence (AI)–led systems can monitor network activity in real time, flagging suspicious behavior and predicting potential breaches before they happen. In this regard, the strict security assessments of third-party vendors and blockchain-based cargo tracking can enhance transparency and reduce the risk of supply-chain cyberattacks.

Fifth, beyond prevention, ports should also be prepared to respond effectively to cyber incidents. For this, establishing cyber incident response teams (CIRT) can ensure that ports have trained professionals ready to mitigate and recover from cyberattacks swiftly.

Sixth, regular cyber drills and crisis simulations should be conducted to test response plans. This ensures that when an attack occurs, the damage is minimized, and recovery is swift.

Seventh, international collaboration to deal with these threats is essential. Governments, port authorities, and private stakeholders should work together to share intelligence, standardize security protocols, and invest in collective defense mechanisms.

Public-private partnerships can play a key role in funding advanced cybersecurity infrastructure, while international regulatory bodies like the IMO must enforce stricter cybersecurity mandates across the industry. Finally, as ports transition into smart ports, powered by the internet of things (IoT), AI, and automation, cybersecurity should be at the forefront of maritime security strategies. Emerging technologies like quantum computing and zero trust architecture will play a crucial role in strengthening digital defenses, but ports should remain vigilant. The very technologies designed to enhance security could also introduce new vulnerabilities if not properly managed.

Cybersecurity is no longer just a technical issue; it is a fundamental pillar of modern port management. If cybersecurity continues to be treated as an afterthought, the next major cyberattack could bring global trade to a standstill. Ports are the lifelines of the world economy, and securing them is not just about protecting data, it is about safeguarding the stability of international commerce and national security.

Maryyum Masood is working as a Research Officer & Associate Editor at the Center for International Strategic Studies (CISS) Islamabad. She is an MPhil scholar in the Department of Strategic Studies at the National Defense University (NDU) Islamabad.

Rizwana Abbasi is an Associate Professor of Security Studies at the National University of Modern Languages, Islamabad, a non-resident Fellow of the Center for International Strategic Studies (CISS), Islamabad, and a Visiting Fellow at the Central European University of Austria.

Cybersecurity Framework for Maritime Port Management was originally published on Global Security Review.