Scammers use several tactics to avoid being identified, from changing phone numbers to spoofing caller ID information. To protect you from potential scammers, we regularly update our list of known scammers and recommend you update your Malwarebytes for iOS version 1 settings:
We encourage you to report fraudulent numbers. This will block the number for you, and help to prevent the caller from scamming other people.
Call Protection does not block phone numbers that are saved to your iOS device's Contacts. You should delete any scammer phone number that is saved to your Contacts. For instructions, refer to Apple's article Manage and delete contacts on your iPhone, iPad, or iPod touch.