Alternative für Deutschland Data Breach Exposes 345,439 Accounts

# Alternative für Deutschland Data Breach Exposes 345,439 Accounts

https://gcdradar.vercel.app/incidents/alternative-fur-deutschland-data-breach-exposes-345-439-acco · AIR-2026-1555 · closed 2026-11-11

- Lane: Breaches & attacks
- Severity: 4 (Confirmed real-world loss): Confirmed personal data breach affecting hundreds of thousands of accounts.
- Fix status: No fix needed
- First reported: 2026-10-27 (happened 2026-09-09)
- AI role: No AI role
- Products: Alternative für Deutschland

## Summary

The political party Alternative für Deutschland suffered a data breach exposing over 345,000 unique email addresses and sensitive correspondence. The compromised data was subsequently published online with searchable tools and downloadable files.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-10-27: AfD data breach exposes 345,439 accounts (https://haveibeenpwned.com/Breach/AfD)

## Sources

- 2026-10-27 Have I Been Pwned: AfD data breach exposes 345,439 accounts https://haveibeenpwned.com/Breach/AfD
- 2026-10-28 Help Net Security: 345,000 email addresses stolen in cyberattack on Germany’s far-right party AfD https://helpnetsecurity.com/2026/10/28/afd-data-breach-email-leak

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.