I hate to be a bother, but it happened to me again a few days ago. I've waited to see if it will resolve itself but so far it hasn't. After my first post I was able to get in, but then the next day I was locked out again, and it's remained that way since.
When I try to login to my account (nburns) I get a screen that tells me a brute force attempt was detected and I have to wait 10 minutes to log in. I wait 10 minutes, try again, and get the same thing. I left it over night and still the next day I get the same error. Could someone unlock my account please?