I've been using the basic Windows Defender for a number of years and haven't had any issues.
No matter what defenses are being used, the only sure way to insure against hacking is to be totally stand-alone with zero connectivity and single-user access to the device....when defenses are being used, one has to cooperate by not getting complacent and totally trusting the defenses...
hard telling.. i am careful. they were in my tablet also.
i have gotten 2 phone calls and no one answers. i dont answer usually but am expecting a call..suspicious .. they have my number from pc