Several cybersecurity challenges and educational write-ups from 2021 feature "passlists" or .txt wordlists used for credential testing:
: Developers use these lists to simulate brute-force attacks against login portals, ensuring that rate-limiting and account lockout policies trigger correctly under pressure. The Defensive Countermeasures
passlist.txt (19 entries — 2021) password2021 Summer!2021 Welcome_2021 Pass1234_2021 Sunrise-21 Autumn2021# MyPass_2021 Holiday2021! Qwerty21 Secure21$ TestEntry_2021 Alpha2021 Beta-2021 Gamma_2021 Delta2021! Example2021 Login2021# Access21_pass Vault2021 passlist txt 19 2021
For more information on the most common passwords, you can review the 2025 findings from 3aIT . How passlist.txt is Used in Security Testing
The string points directly to a specialized area within cybersecurity: the use of wordlists for credential stuffing and brute-force penetration testing. In data security, a .txt file containing thousands or millions of common passwords is often referred to as a "passlist" or "password dictionary." Building upon the infamous 2009 "RockYou" breach (which
In June 2021, a forum user leaked a massive password compilation dubbed . Building upon the infamous 2009 "RockYou" breach (which contained 32 million passwords), the 2021 iteration aggregated data from hundreds of historical leaks, totaling a staggering 8.4 billion unique password entries .
If you are a general user concerned about this list: These files omit metadata
If you are interested in testing your own passwords, I can direct you to secure password generator tools or password manager recommendations. Share public link
Every line contains exactly one string. These files omit metadata, symbols, or spacing formatting unless they are a deliberate part of the password itself.
: Research from 2021 highlighted that the most common passwords remained highly predictable (e.g., "123456" and "admin"), emphasizing the danger of using standard passlists. TryHackMe - Year Of The Rabbit - WRITE-UP - Cloufish's Blog
I’ll create a plain-text "passlist" file containing 19 entries dated 2021. I'll assume you want a simple list of passwords-like strings (for testing). If you want real passwords, don’t use them in production — these are dummy/example entries.