Millions Of Accounts At Risk: New Study Names Worst Passwords Of 2025

There's still about seven and a half weeks remaining in 2025, but a new study already has a beat on the worst passwords of the year, with the most awful of the bunch appearing more than 7.6 million times in various data breaches. Suffice to say, if you're using any of the passwords on the extensive list, you should change it immediately.

What exactly constitutes a bad password? For one, if it's easy to guess, then you shouldn't be using it (especially now that AI tools have entered the mix). And secondly, the more people that use the same password, the higher the risk it will be one of the first ones that hackers use when trying to breach an account.

For the latest study, Comparitech researchers aggregated more than 2 billion account passwords that were leaked to data breach forums throughout the year. The ...