What was exposed, when it happened, and which databases confirm it.
- accounts
- 198,520
- Breached
- October 6, 2025
- Last Update
- November 8, 2025
Were you caught in this breach?
Search your email, phone number or username against every record CheckLeaked indexes.
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What happened
In late October 2025, data breached from the Hungarian political party TISZA was published online before being extensively redistributed. Stemming from a compromise of the TISZA Világ service earlier in the month, the breach exposed 200k records of personal data including email addresses along with names, phone numbers and physical addresses.
Compromised Info
- Email addresses
- Names
- Phone numbers
- Physical addresses
- Usernames
Attestation
Four independent databases catalog this breach and they do not always agree. Each lane below is one source’s own count.
Sources & Link Methods
- HIBP
FAQ
What was leaked in the Tisza breach?
The Tisza breach exposed: Email addresses, Names, Phone numbers, Physical addresses, and Usernames.
When did the Tisza breach happen?
The Tisza breach was disclosed on October 6, 2025 and affected 198,520 records.
Am I affected by the Tisza breach?
Search your email, phone or username at checkleaked.cc to find out whether your data appears in the Tisza leak.