This consists of accreditation to credible sounding but fake “authorities” and “ethical commissions”. Watch out for accreditation to eCOGRA (eCommerce and Online Gaming Regulation and Assurance) as an indicator of authentic probity. That’s not to state that if they’re not on the list they are an online casino to avoid, just that it’s a sign that a casino has actually reached a specific standard of value.

The online casino must have openness of auditing of both its accounts and its log files. Search for references to third party auditing in the online casino’s terms and conditions.
Online gambling establishments to prevent likewise consist of those which do not respond to enquiries or problems. There is no way you can tell this from the online casino’s site itself, as they are not going to state bad things about themselves!