# Claimed data leaks against several French political parties > On October 24, 2026, the French Communist Party confirmed a leak of its membership and supporter file, reported by ANSSI, affecting nearly 190,000 people according to FrenchBreaches. The same day, more than 4.1 million records attributed to Renaissance were posted on a cybercriminal forum, and an archive of about 1.27 million lines presented as coming from La France insoumise's activist tools was published. On October 25, a hacker claimed the leak of 4.1 million data points at Renaissance, whose management denies any intrusion into its systems. On October 31, a leak was claimed against the National Rally, with 432,000 members announced and 150,000 published, and against The Ecologists, for about 65 users of a course and group platform. **In brief**: Ongoing story bringing together 7 events nationwide, followed from 24 October 2026 to 31 October 2026. 49 articles from 9 sources (cyber); last updated on 31 October 2026 at 16:57. - Status: ongoing - Category: Cyber - Place: Nationwide - First detected: 24 October 2026 at 13:14 - Updated: 31 October 2026 at 16:57 - Web page: https://acturadar.com/en/stories/47-claimed-data-leaks-against-several-french-political-parties ## Reported figures - 1,2 million - 1,2 MILLION - 4,1 MILLIONS - 9,6 millions ## Coverage angles The three sides cover the same claimed data leaks, but differ in framing: the left emphasizes victimization and vigilance, the center on figures and denials, the right on suspicions and parties' denials. **Common ground** - The French Communist Party confirmed a data leak concerning its members and supporters. - A hacker claims data linked to Renaissance, and Renaissance denies any intrusion. - La France insoumise is cited among the parties concerned by personal data. **Differences** - The left uses the terms "victim" and "cyberattack" and relays the PCF's call for vigilance; the right speaks of "suspected cyberattacks" and highlights the denials by Renaissance and LFI. - The center gives precise figures attributed to the hacker for the PCF (183,000 people, 40 MB), while L'Humanité says the extent remains to be determined. - Le Monde (left) describes the hacking as "disreputable"; this qualifier does not appear in the center or right excerpts. ## Timeline (7 events) ### 24 October 2026 — [Data Leak at PCF: Nearly 190,000 Members and Supporters Affected](https://acturadar.com/en/events/55-data-leak-at-pcf-nearly-190-000-members-and-supporters-affected.md) The French Communist Party confirms a data leak of its members and supporters file, reported by ANSSI. According to FrenchBreaches, nearly 190,000 people would be affected, and the PCF says no banking data is involved. 3 sources, 16 articles · Nationwide ### 24 October 2026 — [Presumed data breach at Renaissance](https://acturadar.com/en/events/29-presumed-data-breach-at-renaissance.md) More than 4.1 million records attributed to the Renaissance party are said to have been posted on a cybercrime forum, including addresses and contact details. 1 sources, 3 articles · Nationwide ### 24 October 2026 — [Data leak at La France insoumise](https://acturadar.com/en/events/28-data-leak-at-la-france-insoumise.md) On 24 October 2026, an actor identifying as ChimeraZ published on a cybercriminal forum an archive of about 1.27 million lines presented as originating from La France insoumise's activist tools. 2 sources, 16 articles · Nationwide ### 25 October 2026 — [A hacker claims a leak of 4.1 million data records at Renaissance](https://acturadar.com/en/events/294-a-hacker-claims-a-leak-of-4-1-million-data-records-at-renaissance.md) A hacker claims to have stolen 4.1 million data records from the Renaissance party. The party's leadership denies any 'intrusion' into its systems. 3 sources, 3 articles · Nationwide ### 25 October 2026 — [What We Know About Cyberattacks Targeting LFI, Renaissance and the PCF](https://acturadar.com/en/events/489-what-we-know-about-cyberattacks-targeting-lfi-renaissance-and-the-pcf.md) A hacker claims to have accessed the personal data of LFI, the PCF and Renaissance during three intrusions that occurred this weekend. 4 sources, 4 articles · Nationwide ### 31 October 2026 — [Fuite de données revendiquée au Rassemblement national](https://acturadar.com/en/events/5474-fuite-de-donnees-revendiquee-au-rassemblement-national.md) Une fuite de données est revendiquée contre le Rassemblement national : 432 000 adhérents seraient annoncés et 150 000 publiés. 1 sources, 3 articles · Nationwide ### 31 October 2026 — [Fuite de données revendiquée contre Les Écologistes](https://acturadar.com/en/events/5880-fuite-de-donnees-revendiquee-contre-les-ecologistes.md) Une revendication de fuite de données visant Les Écologistes (ex-EELV) porte sur environ 65 personnes, utilisateurs d'une plateforme de cours et de groupes attribuée au parti. 1 sources, 4 articles · Nationwide --- Cite as: Acturadar, “Claimed data leaks against several French political parties”, https://acturadar.com/en/stories/47-claimed-data-leaks-against-several-french-political-parties Methodology: https://acturadar.com/en/methodology