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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. Once entered correctly the green LED flashes accepting the code.

Adam Schanz

All of these signs together would cost approximately $1,000 to install. The last security issue that needs to be addressed is that of the security information processes that is in place. As each client arrives at the facility, their license plate numbers are recorded and they are then assigned a number. They are seen by the appropriate medical personnel based upon the order…… A system possesses authenticity when the information retrieved is what is expected by the user and that the user is correctly identified and cannot conceal his or her identity. Methods to ensure authenticity include having user names and secure passwords, and even digital certificates and keys that must be used to access the system and to prove that users 'are who they say they are. ' Some highly secure workplaces may even use biological 'markings' like fingerprint readers Introduction, 2011, IBM. Accountability means that the source of the information is not anonymous and can be traced. A user should not be able to falsify his or her UL address or email address, given the requirements of the system. "Non repudiation is a property achieved through cryptographic methods which prevents an individual or entity from denying having performed a particular action related to data. Through the use of security related mechanisms, producers and…… Security System AnalysisPaypalThe information era has totally revolutionized our society with its sphere of influence touching every facet of our lives. There is a paradigm shift in our business methodology and ecommerce has evolved as an integral and indispensable aspect of any business venture that wishes to capitalize on the global market that technology promises.