Are you looking to purposes, or are you checking for personal security ?
: The data was originally scraped by exploiters who took advantage of a vulnerability in Facebook's "Contact Importer" tool, which was fixed in 2019. fb-500k.csv.zip
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 Are you looking to purposes, or are you
If you are looking for this file to see if your own data was compromised, it is safer to use reputable breach verification services rather than downloading compressed files from unknown sources. Key Context of the Data If you are
: 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.