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.
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. 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. The specific file fb-500k
Facebook User Data Breach: What Happened, Impact, and Lessons fb-500k.csv.zip