Another great example of why data security and privacy is critical. Please use unique email addresses and passwords for every site. Even using the user+fud@domain.com with a service from Gmail (shudder) or even better a 33mail.com email address will go a long way in protecting you. This also why I’ve been asking @Nate_Pearson to enable 2FA on TrainerRoad. 620 million username/password combos can be useful since many still use the same email/pwd combo on every site they use. Easy to trawl the internet finding the clueless masses whom use this practice. 2FA will help them in some cases, but unique email username/password for every site will be the most effective.
Oh, and F*ck MyFitnesspal, they have an atrocious privacy policy, they are selling users data on massive scale.