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Network Security

The benefits in communication gained by using a network are massive, and yet with them comes an increased security risk. The moment you open the door to such communications with other machines means people can get in as well as out, without proper security. 

For this reason, a network administrator will put in place many policies and provisions to ensure only people intended to access various data can do so. This may be in the form of adding permissions or passwords (usually along with a user account and ID) to areas, encrypting data, putting firewalls in place and doing frequent checks for malware like Trojans using high performance anti-virus software, A handy side-effect of creating user IDs and passwords is that those can be grouped together, allowing different levels of user different access - for example, admins can change anything and normal users can only view files that are not their own. In addition, a network administrator may use these IDs to track movement and monitor suspicious users, or find information identifying usage trends.

There are different levels of security. A small office, or household private network may only require basic security protocols to keep banking information and transactions, and correspondences secure. On the other hand, huge multi-national companies and governments require entire divisions of employees devoted to maintaining a rigorous level of security, especially when their work involves a public network. 

Protection from Cybersecurity Threats

There are many examples of failures in cyber-security including the Stuxnet computer virus interfering with the Iranian uranium enrichment process, Wall Street (NASDAQ), and identity theft from banks and on-line retailers and corporations. What are some of the measures that can be employed to protect our banking, defense and

Point to Point and End to End Security

(HW) We have discussed security protocols from IP layer (e.g., IPSec) to application layer (e.g. XML and S/MIME). Network and transport layer security often referred to as a point-point or host-to-host security. Security channels between applications can be defined as an end-to-end security. Discuss differences between point-to

Elements of Computer Security

Three recent articles about Elements of Computer Security discussing your viewpoint on the topic and refer to the content from the articles to support your findings.

Pinging with 2 Network Interfaces

Assuming that you have 2 network interfaces on you PC, one with IP and one with IP, and that this is the routing table on your PC: Network Destination Netmask Gateway Interface Metric 10 5 255.

Network Security and Virtual Networks

Respond to the following: *The two critical aspects of network management are performance and security. Some of the technical issues involved in managing performance include congestion control, traffic management, and error control. With respect to security, the concerns fall in two categories—passive and active threats. Fo

Denial of Service Attacks

Want to know about detection, prevention, and mitigation techniques for DoS or DDoS attacks? At least three separate references / Come from peer reviewed Journals or Edu. sources or other reliable sources / At least one page answering the questions below: Focus on detection, prevention, and mitigation techniques for DoS or DD

Network Security: Opening to the World 5s

Explore the tutorial, Intel's IT Manager game: then tell: -A brief description of the tutorial and what it teaches -Key new language learned, including major technical terms; please provide brief definitions for these, and indicate why they are important. -Any areas of unc

Operating System Protection

Assistance with: - advantages and disadvantages of at least three different measures used to protect operating systems - ease of implementation of the measures - associated security management issues related to measures discussed above. - ranking of the measures from best to worst with supporting rationale Please i