Mediaworks Hungary Suffers Serious Hacker Attack, 8.5TB Data Stolen
Mediaworks Hungary Zrt., a major Hungarian media organization, announced on April 30, 2026, that it had been the victim of a serious hacker attack.
Key points
- Attack occurred on April 30, 2026.
- Mediaworks Hungary Zrt. publicly announced the attack on April 30, 2026.
- World Leaks cyber-extortion group claimed responsibility.
Connected intelligence
Signal brief
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Organization
- Published
- Apr 30, 2026
- Updated
- Jun 25, 2026
- Confidence
- Medium
- Evidence
- 2 sources
Structured assessment
Signal analysis
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Threat source
Watch exposure paths that could affect data, operations or third-party trust.
Business impact
- Impact area
- Confidentiality
- Likely asset
- User or customer data
Mentioned entities
Quick context
Questions about this signal
What happened in this signal?
Mediaworks Hungary Zrt., a major Hungarian media organization, announced on April 30, 2026, that it had been the victim of a serious hacker attack. The cyber-extortion group World Leaks claimed responsibility, alleging the theft of nearly 15 million files, totaling approximately 8.5 terabytes of sensitive data. The exposed material reportedly included names, addresses, bank account details, internal records, and public-interest documents. Hungary's data protection authority later launched an investigation into the incident.
When was this signal reported?
Shadow Tier lists Apr 30, 2026 as the signal date.
Which organization is connected to this signal?
Mediaworks is the organization connected to this public signal.
Explore MediaworksWhich impact area is relevant?
This signal is connected to data exposure and breach intelligence based on its reported consequences.
Explore data exposure and breach intelligenceRelated signals
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