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“We know that automated activity designed to scrape people’s public and private data targets every website or service. We also know that it is a highly adversarial space where scrapers — be it malicious apps, websites or scripts — constantly adapt their tactics to evade detection in response to the defenses we build and improve. As part of our larger security strategy to make scraping harder and more costly for the attackers, today we are beginning to reward valid reports of scraping bugs in our platform.
Starting today, our data bounty program will also cover scraped datasets found online. We will reward reports of unprotected or openly public databases containing at least 100,000 unique Facebook user records with PII or sensitive data (e.g. email, phone number, physical address, religious or political affiliation). The reported dataset must be unique and not previously known or reported to Meta. We aim to learn from this effort so we can expand the scope to smaller datasets over time.”

Source : Expanding Our Bug Bounty Program to Address Scraping | Meta