Threat watch / Breach

Rassemblement national: member data leaked from its membership tool

Breaches & extortion High Confirmed First seen 31 Oct 2026 · updated 8 Nov 2026

The French party confirmed an attack on the tool it uses to manage memberships and the unauthorised disclosure of some members' personal data. It notified the CNIL and filed a complaint. A hacker claims more than 432,000 records.

Sector
Government & politics
Way in
Not public yet
Product or vendor
None named
records claimed by the hacker (unverified)[1]
432,597
How it happened
An attack on a computer tool "used to manage memberships", according to the party, which says it restricted access and secured the tool. How the attackers got in is not public.[1][2] Checked 8 Nov 2026
What was stolen
Names, postal and email addresses, phone numbers, professions, membership year, dues amount and federation. Passwords and bank details are not mentioned.[1][2] Checked 8 Nov 2026
Who was impacted
Some RN members. The party gives no figure and says the whole membership file is not affected. The hacker claims 432,597 records; in a first 150,000-line file, Cyberattaque.org counts 121,580 unique lines, which it does not treat as a count of people.[1][2] Checked 8 Nov 2026
Threat actor
Not attributed

Timeline

  1. A hacker using the name shin0bi claims 432,597 records and posts a first 150,000-line file. This is the hacker's claim. [1]
  2. The party confirms an attack on its membership tool and the unauthorised disclosure of some members' data, says the incident was quickly contained, notifies the CNIL and files a complaint with the Paris prosecutor. [1][2]

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