UsabilityandSecurity - Usability and Security Student...

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Usability and Security Student: Travis M. Stokes Professor: Dr. Emmanuel Nyeanchi Course Title: CIS 524: Computer Interaction and Design Date: 11/20/2016
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Oftentimes, security and usability will impact one or the other. Simply meaning, improving one, may or may not necessarily improve/enhance the other. This is one reason many system design processes follow an iterative process that integrates both aspects of the security design process and usability design during the design phases of the project. Based on the case study and other sources, this document should perform an analysis of the currently implemented system and provide some solutions to current issues that appear to be hindering the user’s experience while attempting to also maintain current security levels or enhance security overall. The new touch screen system that was employed probably came about as a response to the overall number of customers the restaurant may be undertaking currently. The system was probably designed hoping that it would decrease the amount of commands/keystrokes a user may have to enter to produce an order and hopefully make the transaction a lot smoother. This should have aided in increasing turn around times for customers to place and order, the order to be received, made and the customer receive the food so that they can either Dine In faster (which means tables can be cleaned/ready for new customers faster) or can Take Out their food considerably faster. Nonetheless, the overall goal was to decrease transaction time overall. Having said that, this new system appears to not facilitate these functions completely. Currently, the system requires a manager to unlock a register after four (4) incorrect password entries. This is definitely an understandable security precaution to implement. However, this would only be effective if the button layout to enter a pass code was one in which cahiers could actually use. From review of the study, the layout of keys made it quite easy for users to enter in the wrong information. Because the layout was not carefully designed to allow users to enter information, managers are probably being inundated with having to constantly open registers because of wrong passwords being entered. This essentially added another function to the manager’s day-to-day activities,
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which can take up quite a bit of time when one totals up how often this may be happening and how many registers a manager may have to contend with simultaneously. Steps like this can add an additional 5-10 minutes to transferring shits for a manager, which can make or break the flow of a rush for the team overall. To be clear, a “rush” is when there is an influx of customers during a specific time frame, this is normally primetime for restaurants. During this time, it is imperative for everything to run as smoothly as possible for all teams and a bad gear can throw off the entire operation significantly.
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