: These files typically include user IDs, full names, phone numbers, locations, birth dates, and, in some cases, email addresses.
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
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. fb-500k.csv.zip
: 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
Facebook User Data Breach: What Happened, Impact, and Lessons : These files typically include user IDs, full
: The data was originally scraped by exploiters who took advantage of a vulnerability in Facebook's "Contact Importer" tool, which was fixed in 2019.
: You can check if your phone number or email was part of this specific Facebook leak at Have I Been Pwned. : Smaller subsets like "500k" or "250k" users
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.