TL;DR: The European Commission disclosed on March 27, 2026 that hackers breached its AWS cloud infrastructure and stole over 350GB of data. The compromised information includes employee records, staff email server access, and databases from Europa.eu websites. The attacker isn't demanding ransom. They're planning to dump everything publicly. This is the Commission's second major breach in two months.
What happened
On March 27, 2026, the European Commission confirmed what hackers had already been bragging about: someone compromised one of their Amazon Web Services accounts and walked away with 350GB of data.
"Early findings of our ongoing investigation suggest that data have been taken from [Europa] websites," the Commission stated. "The Commission is duly notifying the Union entities who might have been affected by the incident."
The attacker contacted BleepingComputer directly with proof: screenshots showing access to Commission staff data and an employee email server. They claim to have extracted multiple databases along with internal files.
Here's what makes this worse than a typical data grab: the hacker isn't asking for money. No ransom demand. Instead, they've announced plans to release everything publicly at a later date. This shifts the attack from financial extortion to pure reputational and geopolitical damage.
Cloud security failure, not AWS failure
Before this becomes an "AWS got hacked" story: it's not. Amazon was quick to clarify: "AWS did not experience a security event, and our services operated as designed."
The vulnerability was in the Commission's own account management. According to reports, at least one account used to manage the cloud infrastructure was compromised. The attacker targeted the management layer (the credentials and access controls) not the underlying AWS systems.
This is a growing pattern. Attackers increasingly bypass hardened infrastructure and go straight for misconfigured access controls, stolen credentials, or weak authentication. Why break down the door when someone left the keys under the mat?
The Commission insists their internal systems weren't affected, just the cloud infrastructure hosting their public-facing Europa.eu websites. But the distinction between "internal" and "external" systems gets blurry when employee email servers and staff data are part of the haul.
Second breach in two months
This wasn't even the Commission's first rodeo this year. In February 2026, attackers breached their Mobile Device Management platform using Ivanti Endpoint Manager Mobile vulnerabilities. That incident was resolved within nine hours, but it exposed a broader pattern of European institutions being targeted through third-party software.
Two significant breaches in eight weeks suggests either persistent targeting by sophisticated actors or fundamental gaps in the Commission's cybersecurity posture. Probably both.
The February breach exploited known Ivanti vulnerabilities affecting multiple European institutions. If the Commission hasn't addressed its vendor security and access management practices since then, this second breach wasn't luck. It was predictable.
What got stolen
Based on attacker claims and screenshots:
- 350GB of data from Europa.eu infrastructure
- Multiple databases from Commission web services
- Staff data including employee information
- Email server access to at least one employee mail system
- Internal files (scope unknown)
The Commission hasn't disclosed exactly how many employees or EU entities are affected. Given Europa.eu serves as the digital hub for the entire European Union (hosting everything from press releases to policy documents to internal portals) the blast radius could be significant.
Why this matters
The European Commission isn't just any government body. It's the executive branch of the EU, responsible for proposing legislation, implementing decisions, and upholding treaties across 27 member states. Staff emails and internal databases could contain sensitive policy discussions, diplomatic communications, and information about upcoming regulations affecting 450 million people.
The attacker's choice to dump data publicly rather than demand ransom suggests motivations beyond profit. State-sponsored actors, hacktivists, or political adversaries might see more value in embarrassing the EU or exposing internal deliberations than in a Bitcoin payment.
Security analysts are already comparing this to the 2015 U.S. Office of Personnel Management breach, where Chinese hackers stole 21.5 million background investigation records. That breach triggered a complete overhaul of federal cybersecurity practices. European policymakers are reportedly studying that playbook.
What happens next
Zero-trust adoption accelerates
Security experts predict this breach will push new procurement requirements mandating zero-trust architecture for any cloud deployment handling sensitive data. Organizations have maybe six months before these requirements become mandatory.
Member state pressure
The Commission faces intense pressure from EU member states and Parliament to demonstrate decisive action. Expect new cybersecurity initiatives and possibly leadership changes in IT security roles.
Data dump incoming
The attacker has announced plans to release stolen data publicly. When that happens, expect a second wave of scrutiny as journalists and researchers comb through the files.
Vendor security audit
After two breaches (one through Ivanti, one through AWS access controls) the Commission will likely conduct extensive audits of all third-party vendors and cloud configurations.
The bigger picture
Government cloud security has been a slow-motion train wreck across jurisdictions. The U.S. has seen breaches at the FBI's surveillance systems, the Office of Personnel Management, and multiple federal contractors. Now the EU is learning the same lessons.
Cloud infrastructure isn't inherently less secure than on-premises systems. But it requires different skills, different monitoring, and different assumptions. Misconfigured S3 buckets and compromised IAM credentials have become the breach vectors of our era, not because AWS is insecure, but because organizations don't manage access properly.
The Commission's statement emphasized that "internal systems" weren't affected. But in a world where employee email, staff databases, and public websites all live in interconnected cloud environments, that distinction feels increasingly artificial. The perimeter is dead. The Commission just found out the hard way.
References
- TechCrunch - European Commission confirms cyberattack after hackers claim data breach
- Engadget - European Commission confirms data breach
- Techzine - European Commission investigates data breach in Amazon cloud
- The Meridiem - European Commission Breach Signals Cloud Security Inflection
- Computing - European Commission investigating alleged breach of Amazon systems