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INTRODUCTION TO RISK MANAGEMENTRisk management is the procedure of identifying and controlling risks facing an organization. Risk management is the discipline which is employed for identifying, monitoring and limiting risks. In some of the cases the acceptable risk can be near zero. Risks can occur from accidents, natural calamities and disasters as well as deliberate attacks from an adversary. The several components of risk management and their relationship to each other are shown in Figure given below.2.1.The main ISO standards on risk management include in businesses, risk management organized activity to manage threats and uncertainty and involves people following procedures and by using tools in order to ensure conformance with risk management policies Components of Risk ManagementThe whole process is made up of 2 major components. They are• Risk identification is the procedure of examining and documenting an organization’s present information technology security situation.• Risk control is the procedure of applying controls to reduce risks to an organizations data and information system.Risk management is used in the public sector to identify and mitigate the risk to critical infrastructure. These methodologies comprise of the following elements, performed in the following order.• identify assets and identify which are the most critical• identify, characterize, and assess the threats• assess vulnerability of critical assets to specific the threats• determine the risk (that is the expected consequences of specific types of attacks on specific assets)• identify the methods to reduce those risks• prioritize the risk reduction measures based on strategy
what is computer network?
BUS TOPOLOGY In a bus topology all devices are attached to a single long cable and any device can send data to any other device. For this function, coordination is needed to d
CYCLIC REDUNDANCY CHECK (CRC) To activate a network system to check move error without increasing the amount of information in every packet another most successful method is m
PARITY BIT: A parity bit is an extra bit transmitted with data item select to give the resulting bit odd or even parity. For example an even parity data packet 10100001 has p
Problem (a) Using Vigenère cipher and given the key abc, find the ciphertext for the message: simplicity Only the 26 lower-case alphabetical characters are used in messa
Ask question #MinimAn NMS is connected to a remote network by a 64 Kb/s link. The network elements in the remote network generate 50 faults/second. Of these, 5% are critical and th
SHIFT OPERATION: This operation replaced all bits to the left one position. For example in the diagram below a 16-bit CRC hardware is given, which needs three Exclusive OR (
What is one-time pad for encryption? Describe how it offers both Confusion and Diffusion. Using the letter encoding discussed in class (along with one-time
Network diagram for a mediacal care
Question: (a) Besides privacy, what other security functions does Pretty Good Privacy (PGP) provides? (b) What is the Post Office Protocol (POP) used for? Why is it impo
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