Which one is not right?

A$.$

The most secure design is rendered pointless by a low$-$quality and insecure implementation, regardless of the number of security features the product employees.

B$.$

The most secure design is to make all the aspects no any weak point.

C$.$

A product$$s Security Features may not secure the product from attack.

D$.$

All features must be engineered as $$Secure Features$.$