Fb-500k.csv.zip May 2026

: Smaller subsets like "500k" or "250k" users are often used in academic settings for social network analysis, such as studying friendship relations, events, and group interactions. Safety and Verification

: In past major breaches, such as the Cambridge Analytica incident, Facebook has sent direct notifications to the news feeds of affected users.

While the full leak contained data for hundreds of millions of users, it was often broken down into smaller subsets (such as 500,000-user segments) for easier distribution on various forums and security research platforms. Key Context of the Data fb-500k.csv.zip

: The data was originally scraped by exploiters who took advantage of a vulnerability in Facebook's "Contact Importer" tool, which was fixed in 2019.

Are you looking to purposes, or are you checking for personal security ? : Smaller subsets like "500k" or "250k" users

: These files typically include user IDs, full names, phone numbers, locations, birth dates, and, in some cases, email addresses.

: You can check if your phone number or email was part of this specific Facebook leak at Have I Been Pwned. Key Context of the Data : The data

Facebook User Data Breach: What Happened, Impact, and Lessons