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We started off by setting the first four ports of PORTB as the inputs and the latter four ports as the outputs. The first four ports are connected to the columns meanwhile the last four are connected to the rows. Moreover, as a justification for this reasoning is the fact that it is required to scan the columns for the pressed key and then scan the rows and the results will be decoded in a decoder telling us which button of the keypad was pressed. The main functionality of the keypad as mentioned earlier is to set the code. The alarm can be armed and disarmed with a standard four digit user code in our case. The master code is a step above a regular user code. It is used to unlock the system, as well as programming or erasing a regular user code. Theoretically it can also be used to bypass some sensors. The default password set during the design, which is also the installation code, is 1234. Most alarm companies use the same installer code for all of their installations, and the vast majority will never give their installer code to a customer, for obvious reasons. As soon as we connect the 5V power source the alarm greets us with a welcome message displayed on the LCD then asks us to provide the password.

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The federal agency that holds responsibility for the development of information security guidelines is the National Institute of Standards and Technology NIST. NIST further defines information security as "the preservation of data confidentiality, integrity, availability" stated to be commonly referred to as "the CIA triad. " Harman, Flite, and ond, 2012III. Risk Reduction StrategiesStrategies for addressing barriers and overcoming these barriers are inclusive of keeping clear communication at all organizational levels throughout the process and acknowledging the impact of the organization's culture as well as capitalizing on all…… Security eportIn the present day, organizations are reliant on information in order to continue being relevant and not become obsolete. To be specific, organizations are reliant on the controls and systems that have been instituted in place, which provide the continuing privacy, veracity, and accessibility of their data and information Lomprey, 2008. There is an increase and rise in threats to information contained within organizations and information systems Lomprey, 2008. There is also a rise in the intricacy of such systems and information, which places emphasis on the importance for organizations to understand and gain an understanding of how to better safeguard their information as well as information systems. As stated by Briggs 2005, globalization has instigated the world to become a global village. This, in turn, has increased the level of complexity and intricacy of the information security aspect of the organizations across the world. There is greater…… This leaves those clients that are inside unsupervised while the guard is outside. There is also a lack of signage inside displaying rules and regulations along with directions.