Hi, @josefinedracke .
Welcome to the Shopify community and thanks for joining the thread!
The abandoned checkouts that have been created does sound like it may have been generated by bots. I’m glad you were able to connect with our support team to look closer into the issue.
You can also look into bot protection apps like Negate Bot Protection, and Shop Protector or browse our app store for a variety of bot protection apps.
I hope this helps!