Badonion_collection_may2017_to_april2020.zip

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

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

If your data is in this collection, it likely means a service you used between 2017 and 2020 was compromised. BadOnion_Collection_May2017_to_April2020.zip

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

Exports from encrypted messaging platforms or private forum threads used by cybercriminals. Security Risks & Implications Because many people reuse passwords, a leak from

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.

Multi-Factor Authentication is the best defense against the data found in "BadOnion" style collections, as the password alone will not be enough to gain access. Multi-Factor Authentication is the best defense against the

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).