---
title: "When Critical Infrastructure Becomes Prime Target: What the European Airport Cyberattacks Mean for Enterprise Security"
description: Ransomware paralysed European airports as MUSE check-in systems collapsed, exposing third-party risk in aviation. NIS2 demands stronger cybersecurity.
author: Darie Nani (Editor-in-Chief)
date: 2025-09-29T13:39:07.000Z
updated: 2026-07-15T13:26:53.000Z
canonical: https://www.sovereignmagazine.com/article/when-critical-infrastructure-becomes-prime-target-what-the-european-airport-cyberattacks-mean
image: https://cdn.nanimediahouse.com/ruxh5uskfuq.jpg
categories: Science & Tech
content_type: News
region: Europe
publication: Sovereign Magazine
---

Weekend chaos at major European airports – with thousands of passengers stranded due to collapsed check-in systems – wasn’t caused by weather or mechanical failure, but by something far more insidious: a calculated ransomware attack that targeted the very backbone of modern aviation infrastructure.

At 22.45 GMT on 19 September, cybercriminals launched [a sophisticated ransomware attack against Collins Aerospace](https://securityaffairs.com/182363/hacking/a-cyberattack-on-collins-aerospace-disrupted-operations-at-major-european-airports.html), an RTX subsidiary whose MUSE software manages check-in and boarding processes across Europe’s busiest airports. Within hours, automated systems at Heathrow, Brussels, Berlin Brandenburg and Dublin airports ground to a halt.

## The Scale of Disruption

The attackers deployed the HardBit ransomware variant after exploiting phishing emails disguised as RTX firmware updates and leveraging unpatched API vulnerabilities. [More than 500,000 passenger itineraries were encrypted](https://breached.company/breaking-down-the-collins-aerospace-cyber-attack-a-wake-up-call-for-aviation-security/), forcing airports to revert to manual processing systems not used in decades.

Brussels airport bore the brunt of the attack, with operators ordering airlines to [cancel half their planned departures](https://www.flightglobal.com/air-transport/crime-agency-arrests-suspect-in-uk-on-suspicion-of-airport-cyberattack/164651.article) through 22 September. Passengers faced hours-long queues as staff processed check-ins by hand, whilst flight cancellations and diversions rippled across the continent. [Analysis of the Collins Aerospace incident](https://www.sovereignmagazine.com/article/collins-aerospace-cyber-attack-grounds-thousands) reveals how quickly cascading failures can spread through interconnected transportation networks.

Recovery proved even more challenging. [Reinfections complicated restoration efforts](https://www.securityweek.com/european-airport-disruptions-caused-by-ransomware-attack/), requiring physical on-site remediation of corrupted systems. The UK National Crime Agency has since arrested a suspect, though the full scope of the operation remains under investigation.

## A New Era of Cyber Warfare

This attack represents a concerning development in cybercriminal strategy. Attackers now target high-profile infrastructure for maximum disruption and reputational damage instead of pursuing traditional data theft for quiet monetisation. The aviation sector presents an especially attractive target due to its interconnected systems and low tolerance for downtime, as detailed in our analysis of [aviation’s digital backbone vulnerabilities](https://www.sovereignmagazine.com/article/airport-cyberattack-exposes-hidden-vulnerabilities-in-travel-s-digital-backbone).

The timing adds another layer of concern – Collins Aerospace recently secured significant NATO contracts, raising questions about whether the attack had geopolitical dimensions beyond financial gain. [Security experts warn that similar incidents](https://www.darkreading.com/cyberattacks-data-breaches/airport-chaos-human-impact-3rd-party-attacks) affecting critical services and daily routines are likely to become more frequent. Such [sophisticated cyber operations targeting national infrastructure](https://www.sovereignmagazine.com/article/why-the-salt-typhoon-hack-changes-everything-about-national-cybersecurity-defence) represent a shift toward state-sponsored or geopolitically motivated attacks.

The financial implications extend far beyond immediate operational costs. Flight cancellations alone cost airlines thousands of pounds per incident, whilst reputational damage to affected airports could impact passenger confidence for months. Business continuity failures of this magnitude highlight why [traditional data breach insurance](https://www.sovereignmagazine.com/article/why-firms-are-treating-cyber-attacks-like-crimes-newsky-security-s-take-on-digital-investigat) may prove inadequate for modern cyber risks.

## Preparing for the unknown

[European enterprises now face enhanced cybersecurity requirements](https://www.sovereignmagazine.com/article/healthcare-under-siege-how-the-simonmed-ransomware-attack-exposes-critical-gaps-in-medical-im) under the NIS2 Directive, [which mandates robust risk management measures](https://www.nis-2-directive.com) for critical infrastructure sectors including aviation. The directive, transposed into national law by October 2024, places particular emphasis on third-party vendor risk assessment and ongoing supply chain monitoring.

Organisations must conduct [comprehensive evaluations of all suppliers](https://www.sovereignmagazine.com/article/risk-ledger-raises-32-million-series-b), examining their cybersecurity policies, vulnerabilities and incident histories. The days of simply trusting vendor security claims are over – NIS2 requires documented evidence of compliance and regular audits. Similar [third-party supply chain vulnerabilities](https://www.sovereignmagazine.com/article/automotive-cybersecurity-crisis-growing-threats-to-connected-vehicle-systems) have emerged across multiple industries, demonstrating the universal nature of this challenge.

[Third-party risk management protocols](https://panorays.com/blog/nis2-compliance-for-third-party-risk-management/) must include secure communication channels, mandatory security training for vendors and strict access controls with encryption requirements. Vendors themselves become accountable for their compliance, creating a cascading effect throughout supply chains.

Investment in [resilient backup systems](https://www.sovereignmagazine.com/article/shutdown-and-mass-layoff-guidance-threaten-federal-tech-programmes-and-cybersecurity-after-se) has moved from optional to essential. The Collins Aerospace incident demonstrates how automated systems with no manual fallback create catastrophic single points of failure. Modern business continuity planning must account for complete system compromises, not just temporary outages. [Integrated security infrastructure approaches](https://www.sovereignmagazine.com/article/campus-tech-fails-the-security-infrastructure-gap) that combine physical and cyber defences are becoming critical for maintaining operational resilience.

[Collaboration between industry players and cybersecurity experts](https://www.sovereignmagazine.com/article/when-services-giants-fall-what-petrofac-s-administration-means-for-uk-s-service-sector-stabil) will prove crucial. Aviation organisations are partnering with specialised firms to navigate increased compliance obligations and manage the substantial investments required for NIS2 adherence.

As cybercriminals increasingly target high-profile infrastructure for maximum impact, enterprises across all sectors must recognise that their cybersecurity posture is only as strong as their weakest third-party link. The weekend’s airport chaos serves as a stark reminder that in our interconnected digital world, [business continuity depends not just](https://www.sovereignmagazine.com/article/wordpress-security-breaches-what-uk-businesses-need-to-know-about-current-threats) on preventing data breaches, but on withstanding coordinated campaigns designed to bring entire industries to their knees. [European-based security providers](https://www.sovereignmagazine.com/article/why-european-boards-now-prioritise-local-security-providers-over-tech-giants) are becoming a preferred choice for enterprises navigating complex regulatory environments.

Even top-tier cybersecurity firms are vulnerable to [sophisticated, nation-state attacks](https://www.sovereignmagazine.com/article/epa-s-new-cybersecurity-arsenal-protecting-america-s-water-infrastructure-from-digital-threat), necessitating a reevaluation of industry practices and national security strategies. [Major Cybersecurity Breach As US Businesses Experience Critical Network Vulnerabilities](https://www.sovereignmagazine.com/article/major-cybersecurity-breach-as-us-businesses-experience-critical-network-vulnerabilities) places renewed spotlight on the dangers within critical infrastructure supply chains.