Discussions of Exploits/Hacking/Cheating/Goldsellers are not allowed on our forums. If you witness any of these acts while playing, please report them using the in-game ticketing system so our Customer Support team can properly investigate the issue.
Don’t hesitate to check this thread about account security : https://forum-en.gw2archive.eu/forum/support/account/Account-Security-What-you-need-to-know