67,560
Records Exposed
Sep 2025
Date of Breach
Database
Breach Type
Jan 2026
Added to Database
About This Breach
In September 2025, a dataset was leaked on a prominent hacking forum. Humanist.org, an American nonprofit organization promoting humanist values, secular ethics, and support for non-religious individuals and communities, experienced a data breach affecting 67,560 users. The exposed information included email addresses, full names, and physical addresses.
Compromised Data Types
Country
United States
Language
English
Password Storage
No Passwords
Category
Non-profit, Community
Indexed On
Jan 23, 2026
Breach Type
Database
What Should You Do?
Get Full Breach Details with LeakedSource Pro
Sign up for a LeakedSource Pro account to see exactly what data was exposed in this breach and get real-time notifications when your information appears in new breaches.
Sign Up for Pro- Watch for phishing emails targeting your inbox. Attackers may use your exposed email address to send convincing scam messages.
- Enable two-factor authentication (2FA) on all important accounts to add an extra layer of security.
- Use a password manager to generate and store unique, strong passwords for every account.
Were You Affected by This Breach?
Enter your email below to instantly check if your data was compromised in the Humanist.org breach and 12,000+ other known breaches.
Related Breaches
Sea Mar Community Health Centers
2,988,799 records · Jul 2021
Ducks Unlimited
1,077,185 records · Jan 2021
Moneyman
526,106 records · May 2022
Centre Local de Promotion de la Santé de Charleroi–Thuin (CLPS‑CT)
371,050 records · Apr 2020
American Center for Credit Education
220,925 records · Jul 2020