Some of us were victims, and we made this simple tool to help other people see if they were, too, and also to stress that your linkedin password should never be used again. It is a free and open source software, but use it at your own risk. Leakedin.org claims to offer a service checking if your linkedin password has been stolen and whether it has been cracked
Check for compromised LinkedIn passwords using LeakedIn web app
The website claims that it's pure javascript, that is your password won't.
Check if your linkedin password was hacked
Contribute to mytrile/leakedin development by creating an account on github. Leakedin is a command line tool that uses leakedin.org to verify if your linkedin password was compromised