INSPECTING ARCHIVED INTELLIGENCE (OUTDATED VERSION).

Assurance Retraite Breaches Expose 70,372 Accounts

| 2026-10-20 02:29 HIGH LOW DATA BREACH
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Executive Summary
AI-generated
Assurance Retraite, a French national pension fund, suffered a data breach in September 2024 affecting approximately 370k assistance beneficiaries. The compromised partner account led to the exposure of sensitive information including names, dates of birth, physical addresses, phone numbers, income levels, marital statuses, and French social security numbers (NIR). This incident is categorized as a Data Breach cyber operation type. The breach was added to HIBP on October 20, 2026, with approximately 70k unique email addresses also compromised. In response to the breach, Assurance Retraite recommended that users change their password immediately and enable two-factor authentication wherever supported. As of October 2026, an official disclosure statement has been made by Assurance Retraite regarding this incident.
Technical Mitigations AI-generated
• Reset credentials and API keys that may have been exposed, and review access logs for the affected accounts or integrations.
Intelligence Metadata
Actors / Malware / CVEs / Campaigns
Target & Sectors
FR
Incident Timeline
‎September 2024
Assurance Retraite, a French national pension fund, suffered a data breach in September 2024 affecting approximately 70,372 unique email addresses and other sensitive information.
tactic Data Breach
What Happened In September 2024, the French national pension fund Assurance Retraite suffered a data breach affecting approximately 370k assistance beneficiaries .
target_region France
What Happened In September 2024, the French national pension fund Assurance Retraite suffered a data breach affecting approximately 370k assistance beneficiaries .
organisation HIBP
Try 1Password Breach Overview Affected Addresses: 70.4k Breach Occurred: September 2024 Added to HIBP: 20 Oct 2026 Official disclosure statement Recommended Actions Change Your Password If you haven’t already changed the password affected by this breach, do so…
organisation Recommended Actions Change Your Password
Try 1Password Breach Overview Affected Addresses: 70.4k Breach Occurred: September 2024 Added to HIBP: 20 Oct 2026 Official disclosure statement Recommended Actions Change Your Password If you haven’t already changed the password affected by this breach, do so…
general_metric 20 Official disclosure statement
Try 1Password Breach Overview Affected Addresses: 70.4k Breach Occurred: September 2024 Added to HIBP: 20 Oct 2026 Official disclosure statement Recommended Actions Change Your Password If you haven’t already changed the password affected by this breach, do so…
general_metric 2026 Oct
Try 1Password Breach Overview Affected Addresses: 70.4k Breach Occurred: September 2024 Added to HIBP: 20 Oct 2026 Official disclosure statement Recommended Actions Change Your Password If you haven’t already changed the password affected by this breach, do so…
organisation NIR
The data included 70k unique email addresses along with names, dates of birth, physical addresses, phone numbers, income levels, marital statuses, French social security numbers (NIR) and contact details of relatives or other nominated contacts.
‎2026/10/20
Threat actors exploited vulnerabilities in Assurance Retraite's systems to breach approximately 70,372 accounts on October 20, 2026.
organisation Assurance Retraite Data Breach
Assurance Retraite Data Breach
Intelligence Sources
Have I Been Pwned 2026-10-20