<human>:  Can binary numbers and standard alphabet satisfy criteria for a strong password?
<bot>: No, binary numbers and standard alphabet do not satisfy the criteria for a strong password. The criteria for a strong password according to cybersecurity company Avast is: at least 15 characters. uppercase letters. lowercase letters. numbers. and symbols. The standard alphabet contains twenty six letters but no special characters. Binary numbers only contain 0 and 1. So binary numbers and standard alphabet do not satisfy the criteria for a strong password.