Belgium hit by Russian cyberattacks after announcing weapons aid to Ukraine

That will not happen, the EU's chief diplomat said, drawing a line.
Josep Borrell responded to Russian hybrid warfare campaigns by announcing new EU sanctions and vowing Europe would not be divided.

En el cruce entre la solidaridad militar y la represalia digital, Bélgica sufrió dos días consecutivos de ciberataques atribuidos a hackers prorrusos, justo cuando Bruselas anunciaba el envío de armamento a Ucrania y la Unión Europea formalizaba sanciones contra las tácticas de guerra híbrida de Moscú. Los ataques, reivindicados por el colectivo NoName057, apuntaron a puertos estratégicos y administraciones locales días antes de las elecciones municipales belgas. Lo que se despliega aquí no es solo una disputa técnica, sino una pugna por la cohesión democrática europea en un momento de máxima tensión geopolítica.

  • Dos días seguidos, los sistemas digitales de los puertos de Amberes, Zeebrugge y Lieja quedaron saturados por avalanchas de tráfico malicioso diseñadas para inutilizarlos.
  • El grupo proruso NoName057 anunció los ataques de antemano, convirtiendo la agresión en un mensaje político tan calculado como el propio impacto técnico.
  • La coincidencia con la compra belga de tres cañones Caesar para Ucrania y la inminencia de las elecciones municipales del 13 de octubre amplificó la alarma sobre la vulnerabilidad de los procesos democráticos.
  • La UE respondió el mismo día con un nuevo marco de sanciones contra las 'acciones desestabilizadoras' rusas, autorizando la congelación de activos y restricciones financieras a quienes las respalden.
  • Josep Borrell advirtió que la frecuencia de estas operaciones híbridas va en aumento y que Europa no permitirá que fracturen la sociedad ni erosionen el apoyo a Ucrania.

Los sitios web del gobierno belga y la infraestructura portuaria del país sufrieron el martes su segundo día consecutivo de ataques digitales, atribuidos por las autoridades a hackers rusos. Los golpes afectaron los sistemas en línea de los puertos de Amberes, Zeebrugge y Lieja, así como páginas de administraciones locales. El colectivo proruso NoName057 reivindicó la campaña, que el Centro de Ciberseguridad de Bélgica enmarcó dentro de una ofensiva más amplia contra instituciones europeas y de la OTAN.

El contexto era difícil de ignorar. Días antes, Bruselas había anunciado la compra de tres cañones Caesar franceses —capaces de alcanzar objetivos a cuarenta kilómetros— por doce millones de euros destinados a Ucrania. Y con las elecciones municipales previstas para el 13 de octubre, la coincidencia entre los ataques y el calendario electoral encendió las alarmas sobre la fragilidad de los procesos democráticos ante la guerra híbrida.

Aunque los ataques de denegación de servicio distribuido no comprometen los sistemas internos, su efecto perturbador es real y su mensaje, deliberado. La Unión Europea respondió ese mismo día con un nuevo marco legal para sancionar las llamadas 'acciones desestabilizadoras' rusas: interferencia electoral, sabotaje de infraestructuras, desinformación y operaciones cibernéticas maliciosas. El jefe de política exterior de la UE, Josep Borrell, fue directo: Rusia libra una campaña coordinada para fracturar la sociedad europea y debilitar el apoyo a Ucrania. 'Eso no va a ocurrir', afirmó.

La experiencia belga ilustra con precisión el momento actual: una Europa que intenta sostener a Ucrania mientras se defiende de una estrategia rusa que apuesta por la división interna, la desconfianza institucional y el desgaste progresivo de la voluntad colectiva.

Belgium's government websites and port infrastructure came under sustained digital assault on Tuesday, the second consecutive day of attacks that authorities quickly attributed to Russian hackers. The strikes hit the online systems of major ports in Antwerp, Zeebrugge, and Liège, along with various local administration pages—a coordinated barrage of traffic designed to overwhelm and disable the targets. The pro-Russian hacker collective NoName057 claimed responsibility, announcing the campaign in advance, part of what Belgium's Center for Cybersecurity described as a broader offensive against European and NATO-affiliated institutions.

The timing was difficult to ignore. Just days earlier, Belgium's government had announced plans to purchase three Caesar artillery cannons manufactured in France—weapons capable of firing 155-millimeter rounds at targets forty kilometers away—for twelve million euros. The destination: Ukraine. The message from Brussels was unmistakable. And now, as the country prepared for municipal elections scheduled for October 13th, its digital infrastructure was under siege.

While the attacks themselves—technically classified as distributed denial-of-service operations, or DDoS—are more disruptive than dangerous, they do not breach the underlying computer systems. Yet their proximity to the electoral calendar raised legitimate concerns about the vulnerability of democratic processes. The European Union, already on high alert over Russian interference campaigns, took the moment seriously. On the same day the attacks unfolded, Brussels unveiled a new sanctions framework specifically designed to punish what it termed Russian "destabilizing actions" abroad.

These actions, according to EU officials, encompassed a sprawling toolkit of hybrid warfare: interference in electoral processes, sabotage of economic activity and critical infrastructure, coordinated disinformation campaigns, information manipulation, and what the bloc called "malicious" cyber operations. The European Union's foreign policy chief, Josep Borrell, framed the pattern bluntly: Russia was waging a coordinated campaign to fracture European society, weaken the bloc and its member states, and undermine support for Ukraine's defense. "That will not happen," he said.

The new legal framework gives the EU authority to freeze assets and prohibit European citizens and companies from providing financial support to those deemed responsible for implementing, supporting, or benefiting from Russian destabilizing activities—as well as their partners and backers. Borrell noted that the frequency of such operations had been climbing, a trend the bloc could no longer tolerate. The sanctions represented an attempt to establish clear consequences for what Moscow had long treated as a cost-free dimension of statecraft.

Belgium's experience fit a familiar pattern. The country had been targeted before, as had media outlets across Spain and other European nations. But the sequence of events—announcement of weapons support, followed swiftly by cyberattacks, followed immediately by new EU sanctions—illustrated the texture of the current moment: a Europe attempting to support Ukraine while defending itself against a multifaceted Russian campaign designed to sow division, erode confidence in institutions, and test the limits of European resolve.

These malicious activities are part of a broad coordinated hybrid campaign directed by Russia, attempting to divide European society and weaken the EU's support for Ukraine
— Josep Borrell, EU foreign policy chief
A Conversa do Hearth Outra perspectiva sobre a história
Inventor

Why did Russia wait until Belgium announced the weapons donation to strike? Or did they?

Model

The timing suggests a message. Whether it's retaliation or simply opportunistic—hitting when attention is focused on the donation—the effect is the same: a visible reminder that there are costs to supporting Ukraine.

Inventor

Are DDoS attacks actually that serious if they don't breach systems?

Model

They're serious in a different way. They don't steal data or plant malware, but they do disable services people depend on. A port website down means delays, confusion, lost productivity. And politically, they send a signal: we can reach you whenever we want.

Inventor

Why announce the attacks in advance? That seems to undermine the element of surprise.

Model

It's not about surprise—it's about messaging. By claiming credit publicly, the group makes clear this is political, not criminal. It's a form of intimidation dressed up as activism.

Inventor

The EU's new sanctions framework—will it actually deter Russia?

Model

That's the open question. Russia has absorbed sanctions for years. But the EU is trying to establish that hybrid warfare has consequences, that there's a price for this kind of interference. Whether Moscow believes that is another matter.

Inventor

What worries officials most about the timing before the elections?

Model

That voters might lose faith in the integrity of the process itself. If websites are down, if people see their government under attack, it can breed doubt about whether the election will be secure or fair—which is exactly what Russia wants.

Quer a matéria completa? Leia o original em El País ↗
Fale Conosco FAQ