800+ emails and passwords dumped on pastebin

Just a short quick one, came across this leak that was dumped about an hour ago, leak contains emails/passwords, not sure how genuine they are but if they are real then 800+people have a problem they need to fix asap. Leak comes from twitter user @unklog and has a note saying they 99% from the uk. Leak: https://pastebin.com/zeVKeE2U