Password wordlists are typically derived from historical data breaches. Using these allows you to target common human behaviors and weak security practices. Estimated Size / Impact Best Use Case 14.3 million lines The gold standard for general-purpose password cracking. RockYou2021 8.4 billion entries
Includes historical data breaches, default credentials for hardware, and common patterns.
To help you navigate the landscape, here are the top GitHub wordlist collections that every security tester should have in their arsenal.
: The go-to for developers. This repository provides a simple text file containing over 479,000 English words download wordlist github best
Here’s a concise report on the , useful for security testing, password cracking, fuzzing, or OSINT.
Web application security requires "fuzzing" or "content discovery" to find hidden files like .env , config.php , or admin panels.
A repository focusing on statistical probability. It lists passwords by their mathematical likelihood of use, helping security teams optimize crunch time during audits. 2. Subdomain and DNS Discovery RockYou2021 8
git clone https://github.com/danielmiessler/SecLists.git
: Rather than a static list, this tool crawls a target's website to generate a custom wordlist based on their specific terminology (product names, employee details).
No wordlist guide is complete without rockyou.txt . Born from the 2009 RockYou data breach, this list contains approximately that were stored in plaintext. Because it is composed of actual passwords, it remains extraordinarily effective for basic dictionary attacks and serves as a baseline for password audits. This repository provides a simple text file containing
Often, the best strategy is combining multiple lists (e.g., SecLists + personal intelligence) to create a custom wordlist tailored to your target.
Usernames/ : Sorted by corporate structures, software defaults, and common names. 2. Assetnote Wordlists (The Modern Web Fuzzing Choice)