What Website Was The Rockyou.txt Wordlist Created From A Jun 2026

Why "rockyou"? Because the source was RockYou. And the most common password in the file? Not "password" or "123456"—but itself. Hundreds of thousands of users had made their password the company's name.

When an attacker (later identified as a hacker known as "tex" or part of the "m00p" group) exploited an SQL injection vulnerability in RockYou’s infrastructure, they didn’t have to crack anything. They simply exported the users table. Inside that table was a column labeled password —containing exactly what the user had typed, with no encryption.

Eli learned about the leak from a Wired article. He sat in his studio apartment, scrolling through the first 1,000 lines of rockyou.txt: What Website Was The Rockyou.txt Wordlist Created From A

It is to use rockyou.txt to attempt unauthorized access to any system, website, or account belonging to someone else. The fact that the passwords come from a breach does not grant you permission to use them elsewhere.

Security researchers and enthusiasts compiled these leaked passwords into a text file—now the famous rockyou.txt —containing approximately 14 million unique entries once duplicates were removed. Legacy and Evolution Why "rockyou"

In December 2009, the site suffered a massive data breach that exposed the credentials of over . This breach is infamous in cybersecurity history because the company had been storing user passwords in plain text , making them immediately readable without any decryption. The Origin of the Wordlist

The result was approximately (though some versions contain 32M lines with duplicates). The file was named rockyou.txt because it originated from the RockYou website’s data. Not "password" or "123456"—but itself

In the summer of 2009, a digital ghost escaped into the wild.

Founded in 2005, RockYou was once a high-flying Silicon Valley startup. In the era of MySpace (and later early Facebook), users wanted to customize their profiles. RockYou offered tools like:

Once the database was leaked, security researchers and enthusiasts filtered the 32 million entries to remove duplicates and redundant data. The resulting file, rockyou.txt , contains approximately 14,341,564 unique passwords