Badonion_collection_may2017_to_april2020.zip -

Information from dark web marketplaces, including vendor names, product listings, and public reviews.

This is a "combo list" or "leak aggregator." It typically contains raw data scraped from hidden services (Tor network), including credentials (usernames/emails and passwords), database dumps, and forum posts.

These collections often exceed several gigabytes and contain millions of unique entries. Common Components BadOnion_Collection_May2017_to_April2020.zip

Lists of "email:password" pairs used by threat actors for Credential Stuffing attacks (trying the same password on multiple sites like Netflix, Amazon, or banking portals).

As the name suggests, it covers a three-year period (May 2017 – April 2020), capturing data from sites that may have since been seized by law enforcement or gone offline. Common Components Lists of "email:password" pairs used by

If you haven't changed your primary passwords since early 2020, do so immediately and ensure you use a unique password for every site.

Because many people reuse passwords, a leak from a defunct 2018 forum could still be used to hack a current active account. Because many people reuse passwords, a leak from

The filename refers to a known large-scale archival collection of data scraped from various Dark Web "onion" sites and forums between 2017 and 2020.