To have your account deleted/anonymized, please send an email to firstname.lastname@example.org with your account details. You need to send the email from the email address the account is set up with.
Please allow us max 30 days to address the request.
NOTE: deleting/anonymizing your account is not reversible!
If you are an Org Owner looking to just remove access to your org/pentests for a certain user then review this article.