The hackers posted all of the 453,492 plain text usernames and passwords for all to see. We won't be linking to the leaked list with passwords for obvious security reasons. However, we have gathered the list of affected email addresses and made a search that you can safely use to find out if your account is amongst the leaked. We do NOT store any of the passwords in the searchable database.
To see if you should be changing your passwords visit:
https://www.afterdawn.com/yahoo_password_leak.cfm