If your password for Cupcakely (made up) was leaked..and it was 0.01% chance....well who cares. Someone might order some cupcakes on my account. If it is say a

If your password for Cupcakely (made up) was leaked..and it was 0.01% chance....well who cares. Someone might order some cupcakes on my account. If it is say a financial company and the leak of data from your account alone could have massive repercussions on your company and/or investigations by the SEC and others...then yeah...if there is a 0.000001% chance someone out there has your login info, you change that right away. Or be found to be negligent and not change them, see how fast you wind up without a job/in court/fined/jailed. Just. Change. Your. Password.