Patreon has had unwanted visitors:

There was unauthorized access to registered names, email addresses, posts, and some shipping addresses. Additionally, some billing addresses that were added prior to 2014 were also accessed. We do not store full credit card numbers on our servers and no credit card numbers were compromised. Although accessed, all passwords, social security numbers and tax form information remain safely encrypted with a 2048-bit RSA key. No specific action is required of our users, but as a precaution I recommend that all users update their passwords on Patreon.

Update your password if you use Patreon.