Contact DAIM HUB urgently through the support channel. DAIM HUB can isolate the site, preserve evidence, secure accounts, assess compromise, restore from a clean backup where suitable, patch the cause and monitor after recovery.
For security, payment, legal or business-critical issues, stop if you are unsure and contact DAIM HUB through an official channel before making irreversible changes or sending sensitive information.
What to do next
If this answer does not fully match your situation, do not guess on a production, security, payment or data-related change. Contact DAIM HUB with the affected service, what happened, when it started, business impact and any safe screenshots or error messages.
Help Centre content is general guidance. Your final signed project Scope of Work and agreed terms and conditions take priority where they differ from a Help Centre answer.