Mar 28, 2026 · 6 min read
Hackers Stole 350GB From the European Commission's Cloud
The EU's executive body confirmed a breach of its AWS infrastructure. The attacker claims to have employee data, databases, and email server access.
What Happened
On March 24, 2026, the European Commission detected a cyberattack targeting the cloud infrastructure that hosts Europa.eu, the web platform serving the European Commission, European Parliament, Council of the European Union, and other EU bodies. Three days later, the Commission publicly confirmed the breach.
The attacker claims to have stolen over 350 gigabytes of data from the Commission's Amazon Web Services account, including databases, employee information, and access to an email server. Screenshots were provided as proof, showing employee data and email system access. Notably, the attacker stated they would not pursue extortion but might release the stolen data publicly later.
AWS confirmed its own services functioned normally during the incident, indicating the vulnerability was in the Commission's account configuration rather than in Amazon's infrastructure itself.
The Second Breach in Two Months
This is not the Commission's first security incident this year. On January 30, the Commission discovered that its mobile device management platform had been compromised in a separate attack. That breach potentially exposed staff names and phone numbers, though the Commission said no devices were directly compromised.
Two breaches within two months at the same institution suggest systemic security weaknesses rather than isolated incidents. The Commission manages sensitive policy discussions, trade negotiations, regulatory enforcement data, and diplomatic communications. The infrastructure protecting this information is being tested repeatedly, and it is failing.
Why Cloud Configuration Matters
The Commission's breach was not caused by a flaw in AWS. It was caused by how the Commission configured and secured its cloud environment. This is one of the most common vectors for cloud breaches: misconfigured access controls, overly permissive roles, exposed storage buckets, or weak authentication on management consoles.
Cloud providers operate on a shared responsibility model. AWS secures the infrastructure. The customer secures everything they put on it. When an attacker walks into an AWS account and extracts 350 gigabytes of data, the failure belongs to the account holder, not the cloud provider.
This distinction matters because organizations of every size make the same mistake. Moving data to the cloud does not make it secure. It makes it someone else's hardware. Security remains your problem.
350GB Is a Lot of Data
To put the claimed theft in perspective, 350 gigabytes could contain millions of documents, extensive email archives, and complete database dumps. For an institution like the European Commission, this potentially includes:
- Employee records: names, contact information, organizational roles, and internal identifiers
- Email archives: internal communications that could reveal policy positions, negotiation strategies, or sensitive discussions
- Website databases: content management data, user accounts, and potentially citizen submitted information
- Administrative data: system configurations, access logs, and security settings that could enable further attacks
The Commission said its internal systems were not affected and that website availability was maintained. But "internal systems" and "cloud infrastructure hosting web presence" are increasingly intertwined. The full scope of what was accessed may take weeks to determine.
Institutional Targets Are Escalating
The European Commission breach is part of a growing pattern of attacks against major government institutions. The Dutch Ministry of Finance confirmed its own breach the same week, with details still undisclosed. The FBI's own wiretap system was compromised by Chinese linked attackers earlier this year.
Government institutions present attractive targets because they hold vast quantities of sensitive data, often operate legacy systems alongside modern cloud infrastructure, and face bureaucratic constraints that slow security improvements. The gap between the sensitivity of the data these institutions hold and the security measures protecting it continues to widen.
What This Means for You
If you have interacted with any EU institution through Europa.eu, submitted documents, created accounts, or communicated with Commission staff, your information could be among the compromised data. The Commission has said it is notifying "potentially affected EU entities," but individual notifications to citizens are not guaranteed.
More broadly, this breach reinforces a fundamental reality: no institution is too important or too well funded to be hacked. The organizations that govern our privacy regulations are themselves vulnerable to the same threats they seek to regulate. If the European Commission cannot secure its own cloud infrastructure, the challenge facing every organization that handles personal data is clear.