Today, Ukraine is defending not only its own territory. It is testing the future model of European security. And the main conclusion of this war is that the security of the future belongs to those who see faster, think deeper, act more precisely, and adapt more boldly.
When we speak about Europe’s new security architecture, it is important to begin not with institutional formulas, but with the reality of the battlefield. Russian aggression has demonstrated that security today is not merely a matter of the number of tanks, aircraft, or missiles. It is, above all, the ability to detect a threat earlier, understand it faster, act against it more precisely, and prevent the adversary from adapting more quickly than we do.
JOIN US ON TELEGRAM
Follow our coverage of the war on the @Kyivpost_official.
This is why intelligence in modern warfare has ceased to be merely a supporting function for decision-making. It has become a central element of defense capability. Without intelligence, precision weapons do not work. Without intelligence, effective air defense does not function. Without intelligence, it is impossible to destroy an adversary’s logistics, command posts, production chains, financial schemes, and networks of influence. Without intelligence, defense becomes purely reactive. And in modern warfare, those who only react are always late – and ultimately lose.
Ukrainian lessons for Europe
The first lesson Ukraine offers Europe is that future defense must be built around an intelligence-strike system. This means that sensors, analytics, command structures, strike capabilities, cyber capabilities, electronic warfare, and strategic communications must function not as separate agencies or isolated systems, but as a single organism. The advantage belongs not to the side that possesses more metal, but to the one that has the shortest path from target detection to decision and action.
Rubio Calls War a ‘Strategic Disaster’ for Russia as Putin’s ‘Davos’ Opens Under Black Smoke
The second lesson is that modern warfare has become a war of adaptation. Russia is learning. It changes its strike tactics, drone and missile routes, component supply schemes, methods of information influence, recruitment approaches, the use of proxy structures, and sanctions-evasion mechanisms. Therefore, our response cannot be static. It is impossible to create the “right” model of defense once and assume it will remain sufficient. Europe’s new security architecture must be built as a system of continuous renewal: data, analysis, decision, action, assessment of results, and a new decision.
The third lesson is that innovation must not be theoretical and laboratory-based, but practical and combat-oriented. Ukraine has learned to rapidly test solutions, discard what is ineffective, and scale what works. This applies to unmanned systems, maritime drones, cyber operations, electronic warfare capabilities, big-data analytics, satellite information, open sources, artificial intelligence, and the integration of civilian technologies into military needs. But the key point is not the technology itself. The key point is the speed of its transition from idea to application.
The current situation with so-called middle strikes – medium-depth strikes against the enemy’s military infrastructure at distances of dozens and more than a hundred kilometers from the front line – is highly illustrative. This is not simply a story about effective drones. It is an illustration of how a technological process becomes effectiveness: intelligence identifies a vulnerability, production quickly provides the necessary tool, military units scale the practice, and the adversary is forced to stretch its air defense, electronic warfare, logistics, and resources. This is what modern defense innovation looks like – a short cycle between data, decision, and result.
Without intelligence, defense becomes purely reactive. And in modern warfare, those who only react are always late – and ultimately lose.
European states should honestly answer one question: are their defense systems capable of changing as quickly as the adversary changes? If a procurement procedure takes years, while the adversary’s adaptation cycle takes weeks, this is no longer a bureaucratic problem. It is a security vulnerability. And the adversary will inevitably exploit it.
The fourth lesson is that Russia is waging not only a war against Ukraine, but a war against Europe’s ability to make decisions. Its objective is not only territory. Its objective is fear, fatigue, doubt, polarization, distrust in democratic institutions, and the belief that it is easier to “understand” the aggressor than to stop it. Therefore, Europe’s modern arsenal must include not only missiles and drones, but also societal resilience, protection of the information space, counterintelligence cooperation, sanctions enforcement, protection of critical infrastructure, and the ability to rapidly expose Russian influence operations.
A separate dimension of this war is Russia’s recruitment of citizens from Africa, Latin America, and other regions of the Global South. For Moscow, this is a way to compensate for losses, reduce the political cost of mobilization within Russia, and at the same time conduct a militarized information campaign. Through promises of jobs, money, education, legalization, or social advancement, people are drawn into the war, often without understanding the real consequences. This is not a local problem for Ukraine. It is also a challenge for the European Union, because the same networks can operate among vulnerable migrant communities, use social platforms, fictitious employment schemes, and human-movement corridors. Therefore, countering Russian recruitment should become part of a joint Ukraine-EU policy toward the Global South: explaining the truth about the war, dismantling Russian myths, blocking recruitment networks, and protecting people from being used as expendable material.
The future deterrence of Russia must be active, not declarative.
The fifth lesson is that Ukraine today is not only a recipient of assistance but also a producer of security expertise. Our experience is not theoretical. It has been paid for with lives, tested by daily strikes, and shaped through constant contact with the adversary. That is why Ukraine’s integration into the European and Euro-Atlantic security system should not be viewed as a political gesture for the future. It is a practical necessity today. Europe needs Ukrainian experience just as Ukraine needs European resources, technologies, and strategic depth.
The sixth lesson is that the future deterrence of Russia must be active, not declarative. It is not enough to say that aggression must not be repeated. Conditions must be created under which repeating aggression becomes obviously disadvantageous for the Kremlin. This means: a strong Ukrainian army; integrated intelligence cooperation with partners; joint weapons production; protection of supply chains; control of critical technologies; a long-term sanctions policy; and the capability to strike the enemy’s war machine not only on the battlefield, but also in its logistics, finances, technological base, and international support networks.
Yes, Europe needs a new arsenal. But this arsenal is not only weapons. It is intelligence, technology, industry, resilience, political will, engagement with societies beyond Europe, and the ability to act together. Ukraine is already part of this arsenal. The only question is how quickly we can together transform this experience into a common security system that does not merely react to aggression, but stays ahead of it.
For Ukraine’s defense intelligence, the key conclusion is simple: in the new security architecture, intelligence must not be an “add-on” to defense policy, but its nervous system. Intelligence connects political decisions with the real picture of threats. Intelligence allows us to see not only what the adversary has already done, but what it is preparing to do. Intelligence is what transforms technology into capability, and capability into results.
The views expressed in this opinion article are the author’s and not necessarily those of Kyiv Post.
You can also highlight the text and press Ctrl + Enter
