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1.7 Software Project Goals Key software project goals include: Functionality This is the number one driver in most software projects, which are obsessed with meeting functional requirements.Security often comes with significant overhead.The problem is, security mechanisms, including most uses of cryptography, elaborate login procedures, tedious audit requirements, and so on, often cause usability to plummet.Usability People like programs to be easy to use, especially when it comes to conducting electronic commerce.Usability affects reliability too, since human error often leads to software failure.Efficiency People tend to want to squeeze every ounce out of their software (even when efficiency isn't needed).Solving the problem invariably involves getting something done in a particular way.Usability is very important, because without it software becomes too much of a hassle to actually work with.Security people often deride cookies, but cookies are a great user-friendly programming tool!Efficiency can be an important goal, though it usually trades off against simplicity.Security concerns regularly impact convenience too.Waiting around while a remote server somewhere authenticates you is no fun.Software is a tool meant to solve a problem.And for good reason too.But it can be necessary.

1.7 Software Project Goals
Key software project goals include:
Functionality This is the number one driver in most software projects, which
are obsessed with meeting functional requirements. And for good reason too.
Software is a tool meant to solve a problem. Solving the problem invariably
involves getting something done in a particular way.
Usability People like programs to be easy to use, especially when it comes to
conducting electronic commerce. Usability is very important, because without it
software becomes too much of a hassle to actually work with. Usability affects
reliability too, since human error often leads to software failure.
The problem is, security mechanisms, including most uses of cryptography,
elaborate login procedures, tedious audit requirements, and so on, often cause
usability to plummet. Security concerns regularly impact convenience too.
Security people often deride cookies, but cookies are a great user-friendly
programming tool!
Efficiency People tend to want to squeeze every ounce out of their software
(even when efficiency isn’t needed). Efficiency can be an important goal,
though it usually trades off against simplicity. Security often comes with
significant overhead. Waiting around while a remote server somewhere
authenticates you is no fun. But it can be necessary.
Time to market “Internet time” happens. Sometimes the very survival of an
enterprise requires getting mind share fast in a quickly evolving area.
Unfortunately, the first thing to go in a software project with severe time
constraints is any attention to software risk management. Design, analysis, and
testing corners are cut with regularity. This often introduces grave security
risks.
Fortunately, building secure software does not have to be slow. Given the right
level of expertise, a secure system can sometimes be designed more quickly
than an ad hoc cousin system with little or no security.
Simplicity The good thing about simplicity is that it is a good idea for both
software project and security. Everyone agrees that keeping it simple is good
advice.