The European Commission has confirmed a major data breach after a cyberattack on its cloud infrastructure hosting the Europa.eu web platform. The attacker reportedly exfiltrated more than 350GB of data before the Commission contained the incident.
The breach targeted the Commission’s Amazon Web Services account, giving the attacker access to Europa sites and potentially sensitive employee data. The Commission says its investigation is ongoing and that affected Union entities are being notified. Early findings of our ongoing investigation suggest that data have been taken from [Europa] websites, the Commission stated.
Why this matters for EU users and organizations
The European Commission manages critical infrastructure and personal data for millions across the EU. A breach of this scale risks exposing sensitive information about employees, internal operations, and possibly EU citizens who interact with Commission services. For organizations relying on Europa.eu for regulatory filings or information, trust in the platform’s security is now under scrutiny.
This is the second time in recent months that Commission employee data has been compromised. The previous breach, disclosed in February, also involved cloud infrastructure. While both incidents appear less severe than the Salt Typhoon hack that hit US telecoms in 2024, the pattern highlights ongoing vulnerabilities in major public sector cloud deployments.
What was stolen and who is affected?
The exact contents of the stolen 350GB remain undisclosed. The attacker claims to have accessed both public-facing website data and internal employee records. The Commission has not confirmed the full scope, but is notifying relevant EU entities who may be impacted. No public evidence yet suggests direct exposure of EU citizen data, but the investigation is not complete.
For Commission staff, the breach raises concerns about the safety of their personal information. For EU institutions and partners, it’s a wake-up call on the risks of cloud misconfigurations and third-party service reliance. The incident could also have regulatory and legal implications if personal data protection rules were violated.
Security response and future safeguards
The Commission says the attack has been contained, but has not detailed how the breach occurred or what specific vulnerabilities were exploited. The incident comes after the January 2026 rollout of a new Cybersecurity Package aimed at tightening EU digital defenses, including stricter controls over telecom supply chains and cloud providers.
Speculation: The repeated targeting of cloud accounts suggests attackers are probing for weak links in government cloud adoption, especially where legacy systems and modern platforms intersect. Expect more scrutiny on how EU institutions vet and monitor their cloud service configurations.
The bottom line
- Over 350GB of Commission data stolen from cloud infrastructure
- Employee and internal website data potentially exposed
- EU institutions urged to review cloud security practices
The breach underscores the stakes for public sector cybersecurity in the cloud era. For EU organizations, it’s a blunt reminder: cloud convenience comes with real risks if not locked down tight.