Badonion_collection_may2017_to_april2020.zip Apr 2026

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

Use services like Have I Been Pwned to see if your email address was part of major leaks during this era.

Exports from encrypted messaging platforms or private forum threads used by cybercriminals. Security Risks & Implications BadOnion_Collection_May2017_to_April2020.zip

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.

These collections often exceed several gigabytes and contain millions of unique entries. Common Components If your data is in this collection, it

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

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). Security Risks & Implications The filename refers to

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.