Contact Scalable Capital verbally, in writing or electronically using the contact details found at https://de.scalable.capital/contact-details.
Change your passwords and block access to your accounts if necessary. You should also check your computer for possible malware.
Report fraudulent content via the platform you use; this is possible with WhatsApp, Facebook and Instragram. The reporting function is usually found in the group settings.
In the event of suspicious transactions, you should inform your bank immediately and report them to the police.