Computer network security

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    Summary: Incident Response

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    Wireless and BYOD Security Plan BYOD/Wireless is a strategy that allows employees and organizations to utilize personally purchased /organization issued devices to perform…

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    13349871 You want to connect different computers, at different locations, so that they can exchange data with each other. What are the different challenges that you need to overcome? Host Identification on small networks isn’t a problem as it can be set up with manual ways of addressing, but will be exponentially harder the larger a network becomes. Protocols, DHCP servers and addressing are a huge need if you want to create and sustain a large, expanding network. A standard specifies a…

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    One of the main benefit of networking the businesses computers and information is that business processes are speeded up and inefficiencies are squeezed out. This is because information flows more freely. Everything happens much faster. All kinds of documents - from emails to spreadsheets and product specs - can be exchanged rapidly between networked users. In the Special Salmon case, the headquarters can update the different varieties of fish, prices for each type of fish, quantity demanded and…

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    Both firewalls and intrusion detection systems are used to monitor network traffic and implement network security policies. Research these technologies and determine how they are similar and how they differ. Are both needed? Explain your answer in a short paper. Firewall From a definition standpoint, a firewall is a hardware or software used in a networked environment to block unauthorized access by individuals while permitting authorized communications to and from the user. The firewall is…

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    Target Breach Case Study

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    stated hackers broke into the retailer’s network using login credentials stolen from a heating, ventilation and air conditioning company that does work for Target at a number of locations. This company called Fazio had access rights to Target’s network for carrying out tasks like remotely monitoring energy consumption and temperatures at various stores. The attackers leveraged the access provided by the Fazio credentials to move around undetected on Target’s network and upload malware programs…

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    Walmart Case Study

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    How is RFID technology related to Wal-Mart’s business model? How does it benefit suppliers? Wal-Mart’s basic business model is “low cost.” RFID promises to reduce supply chain costs and improve the availability of items on store shelves. The world’s biggest retail chain wants RFID readers installed at store receiving docks to record the arrival of pallets and cases of goods. Software uses sales data from its point-of-sale systems and the RFID data about the number of cases brought out to…

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    professional development was purchased for classroom technology integration training. At the end of the training, teachers felt more comfortable with their knowledge of the available technology tools, but continue to have problems with less than adequate network and internet access in the classroom. Through the process of providing professional development, a nagging concern was confirmed—the infrastructure in place wasn’t capable of handling the demands necessary for true technology integration…

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    Internet access is extremely convenient and enables marvelous new applications for mobile users, it also creates a major security vulnerability—by placing a passive receiver in the vicinity of the wireless transmitter, that receiver can obtain a copy of every packet that is transmitted! These packets can contain all kinds of sensitive information, including passwords, social security numbers, trade secrets, and private personal messages. A passive receiver that records a copy of every packet…

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    feature called as sub-netting is used for IP address allocation. It is defined in RFC 791. IPv6: Internet Protocol version 6 (IPv6) is the latest version of the Internet Protocol (IP), which provides an identification and location system for computers on networks and routes traffic across the Internet. It is in the initial implementation stages, thus it is not extensively used worldwide. If it is implemented, then we can use many IP addresses in the IPv6 as it has 128 bits for reference, which…

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    This is the called malicious advertising. They use software vulnerabilities in the system, implanted in the system to steal account passwords, bank information and personal data of. Ad networks are complex and it is difficult to detect and track. Ads may be based on location, time, preferences. Most ad platforms do not have the ability to verify that an ad is safe. The up and down relationships of multiple layers are difficult to verify…

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