Rockyou -

RockYou wasn’t the largest breach. But it might be the most educational one.

The RockYou breach is the primary reason you cannot set your password to password or 123456 today. rockyou

Prior to this, "Brute Force" attacks (trying every combination of letters) were slow and computationally expensive. "Dictionary attacks" existed, but they used dictionaries of actual words (like the Oxford English dictionary). RockYou wasn’t the largest breach

In December 2009, a hacker using the alias "Og" exploited a SQL injection vulnerability—a decade-old, easily preventable flaw—to access RockYou’s database. The database contained . rockyou