Fb-500k.csv.zip May 2026

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

: 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. fb-500k.csv.zip

The specific file fb-500k.csv.zip likely refers to a portion of the , which exposed the personal information of approximately 533 million users across 106 countries.

Are you looking to purposes, or are you checking for personal security ? While the full leak contained data for hundreds

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

: The data was originally scraped by exploiters who took advantage of a vulnerability in Facebook's "Contact Importer" tool, which was fixed in 2019. The specific file fb-500k

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