The System must be secure:

a. Data encryption.
b. User Identification using SIM number and a password.
c. User Authentication using verification code.

I think the sentence is not grammatically correct. I don't know how to connect "the system must be secure" with the listed items. I mean that the three situations a, b, and c should be grammatically connected to the main sentence.


Just add in regard to.

The System must be secure in regard to:

  • Data encryption
  • User identification through SIM number, and password
  • User authentication through verification code
  • 3
    Shouldn't that be "in regard to"?
    – WendiKidd
    Apr 3 '13 at 17:31
  • I always get confused between regard of, and regard to. The first seems more natural to me, but I am sure I am wrong about that. :)
    – apaderno
    Apr 3 '13 at 17:38

It appears that you are referring to specific methods by which a system can be secured. If so, perhaps the wording should go something like this:

The System must be secured using one or more of the following methods:


The System must be secure. You may use one or more of the following methods to secure the System:

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