“This is an issue that has already been widely reported, but we want to be clear that we simply learned there were more passwords stored in this way. There is no evidence of abuse or misuse of these passwords.”

It doesn’t seem like any tampering has gone on. But, this doesn’t paint a good picture for those who care about their privacy. Facebook has leaked multiple sets of passwords on top of email lists. Then, they sneakily revealed this information without a public announcement. At least the company is informing those whose info has been violated.