Yes, it's a good idea to do that. They said that passwords were compromised; I'm really hoping that was a simplification and they really meant to say that "ind

Yes, it's a good idea to do that. They said that passwords were compromised; I'm really hoping that was a simplification and they really meant to say that "individually salted, hashed passwords have been stolen" but they didn't add that qualification, so you should probably assume the worst.