The European Bridge League have published an open letter concerning the revelation of cheating during online bridge games. You can read the full EBL Statement regarding Online Cheating from the EBL President, Jan Kamras.
The EBU takes cheating very seriously and whether online or face-to-face will be subject to the same disciplinary processes. See the following link for further information about the EBU Online Games - Ethics guidance.
Those who have concerns about the actions of another EBU member should raise them with the Secretary of the Laws and Ethics Committee, email@example.com. Please do not use social media to make accusations or insinuations.