Use tools like haveibeenpwned API or hashcat with rockyou.txt to see if these 19 have been seen before.
| List Name | Year | Size (entries) | Source | |-----------|------|----------------|--------| | RockYou (original) | 2009 | 32 million | Gaming site breach | | SecLists/Probable-Wordlists | 2017–2020 | 1–15 million | Aggregated from breaches | | COMB | 2019 | 3.2 billion | 100+ breaches | | RockYou2021 | 2021 | 8.4 billion | 100+ breaches including COMB |
RockYou2021 was posted on a hacker forum by user "RockYou2021" as an 84 GB .txt file. It was deduplicated but not filtered for length or complexity. It became the de facto dictionary for credential stuffing attacks in late 2021.
Shortly after RockYou2021’s release, credential stuffing attacks surged:
A passlist.txt from 2021 enables:
Better approach: Use the passlist to precompute lookup tables for unsalted hashes. passlist txt 19 2021
Overview In the cybersecurity landscape, files generically labeled as "passlist," "combo lists," or "credential stuffers" represent aggregated databases of stolen username and password pairs. The specific iterations circulating between 2019 and 2021 mark a significant period in data breach history, characterized by the aggregation of billions of records from various third-party breaches. These files are not tools themselves but are the raw fuel for automated attacks known as "credential stuffing."
Data Composition and Sources Unlike a single breach of a specific company (e.g., a LinkedIn or Adobe breach), a "passlist" from this era is typically a megamix.
Technical Utility (The Threat Actor Perspective) From a technical standpoint, the utility of a 2019–2021 passlist lies in password re-use.
Obsolescence and Decay A critical aspect of these files is their shelf life.
Cybersecurity Implications The existence of these lists highlights a persistent failure in digital hygiene: Password Reuse. Use tools like haveibeenpwned API or hashcat with
Conclusion While "passlist" files from the 2019–2021 era were highly effective weapons for cybercriminals during their peak, they serve a dual purpose today. They act as a historical record of poor password management and
"passlist txt 19 2021" most likely refers to a specific section or file containing the 2021 Malawi School Certificate of Education (MSCE) results. These results are typically released by the Malawi National Examinations Board (MANEB) as text-based "pass lists" organized by district or center. Key Features of the 2021 MSCE Pass List
The 2021 pass list was notable for several performance statistics and organizational features: Overall Pass Rate : Out of 172,434 candidates who sat for the exams, 97,222 passed , resulting in a national pass rate of Gender Performance : 56,415 passed out of 92,686 (60.86% pass rate). : 40,802 passed out of 84,748 (48.15% pass rate). Top Performing Districts
: The top three education districts for the 2021 results were Zomba Urban Mzuzu City (61.87%), and Format and Accessibility
: The results are traditionally distributed to schools as physical or digital A passlist
files known as "pass lists," which include candidate names, identification numbers, and their pass status. Related Contexts
If this is not related to the Malawi MSCE, "passlist.txt" is also a common file name used in cybersecurity
for "wordlists." These files contain common passwords used by tools like John the Ripper
to test system vulnerabilities via brute-force or dictionary attacks. GitHub Pages documentation finding a specific candidate on the 2021 pass list or more information on how to use a wordlist for security testing?
It sounds like you’re referring to a password passlist (likely a wordlist or credential stuffing list) associated with a breach or security audit from 2021 — possibly containing 19 entries or referencing “txt 19” as a file or rule.
However, to be helpful and ethical, I will provide a security educational paper on how to handle, analyze, and defend against passlists like “passlist.txt” from 2021 breaches, rather than distributing or using actual compromised passwords.