etrieved from http://books.google.co.ke/books?id=3Tla6d153uwC&printsec=frontcover&dq=Encyclopedia+of+computer+science+and+technology&hl=en&sa=X&ei=dZH_UNjcIcHQhAeg4C4Bw&ved=0CCwQ6AEwAA
Kizza, J.M. (2005). Computer Network Security. New York, NY: Springer. etrieved from http://books.google.co.ke/books?id=HsawoKBLZOwC&printsec=frontcover&dq=Computer+Network+Security&hl=en&sa=X&ei=uZH_UJn-NMbNhAeWroDYCA&ved=0CCwQ6AEwAA#v=onepage&q=Computer%20Network%20Security&f=false
Musumeci, G.-P. D., & Loukides, M. (2002). System performance tuning: [help for Unix system administrators]. Beijing [u.a.: O'eilly. etrieved from http://books.google.co.ke/books?id=L4oyNrsFBbsC&printsec=frontcover&dq=System+performance+tuning&hl=en&sa=X&ei=C5L_UKjmNonMhAen8ICoBw&ved=0CDIQ6AEwAA
Adelstein, T., & Lubanovic, B. (2007). Linux system administration. Sebastopol, Calif:
O'eilly. etrieved from http://books.google.co.ke/books?id=-
jYe2k1p5tIC&printsec=frontcover&dq=Advanced+system+administration&hl=en&sa=X &ei=fpP_UM6EN8HMhAff9YC4DQ&ved=0CD0Q6AEwBA#v=onepage&q=Advanced
%20system%20administration&f=false
Verma, D.C. (2009). Principles of computer systems and network management. Dordrecht: Springer. etrieved http://books.google.co.ke/books?id=dUiNGYCiWg0C&printsec=frontcover&dq=Principles+of+computer+systems+and+network+management&hl=en&sa=X&ei=i5T_UIG3IMaBhQfF2YD4Bg&ved=0CDQQ6AEwAA#v=onepage&q=Principles%20of%20computer%20systems%20and%20network%20management&f=false
Whyte, E. (2004, Feb 09). Be a system administrator. New Straits Times. etrieved from http://search.proquest.com/docview/271766591?accountid=35812...
mlaReferences
Burgess, M. (2004). Principles of network and system administration. Chichester: Wiley.
Frisch, a.E. (2002). Essential system administration: tools and techniques for Linux and Unix administration. Beijing [u.a.: O'Reilly. Retrieved from http://books.google.co.ke/books?id=uRW8V9QOL7YC&printsec=frontcover&dq=Essential+system+administration:+tools+and+techniques+for+Linux+and+Unix+administration.&hl=en&sa=X&ei=CZH_ULLhEcm6hAeFnYGAAw&ved=0CCwQ6AEwAA
Henderson, H. (2009). Encyclopedia of computer science and technology. New York: Facts on File. Retrieved from http://books.google.co.ke/books?id=3Tla6d153uwC&printsec=frontcover&dq=Encyclopedia+of+computer+science+and+technology&hl=en&sa=X&ei=dZH_UNjcIcHQhAeRg4C4Bw&ved=0CCwQ6AEwAA
computer systems are used, one has to delve a it deeper into how those issues occur and what they mean for the people who use computers. Addressed here will e a critique of two articles addressing DNS attacks and network intrusion detection, in order to determine the severity of the issues these attacks are causing and what can e done in order to lessen the risks and protect the data of more individuals and companies.
Jackson, C., Barth, A., Bortz, A., Shao, W., & Boneh, D., (2009). Protecting rowsers from DNS reinding attacks. ACM Transactions on the We, 3(1): 1-26.
Jackson, et al. (2009), provides information on the use of DNS reinding attacks, which are generally unexpected y the users who experience them and can e very devastating. Many firewalls and other protection options do not work against DNS reinding attacks, ecause the rowser is fooled into thinking that the wesite…...
mlabibliography that provide a great deal of knowledge about the subject at hand, and that provide it in such a way as to be easily understood. These include:
Bace, R.G. (2000). Intrusion Detection. Macmillan Technical Publishing, Indianapolis, IN, USA.
Coit,, C.J., Staniford, S., & McAlerney, J. (2001). Towards Faster Pattern Matching for Intrusion Detection or Exceeding the Speed of Snort. In Proc. 2nd DARPA Information Survivability Conference and Exposition.
Haines, J., Rossey, L, Lippmann, R., & Cunningham, R. (2001). Extending the 1999 Evaluation. In Proc. 2nd DARPA Information Survivability Conference and Exposition.
Discussion and Conclusion
computer systems are increasingly being used to cause widespread damage, with nation-states or individuals sponsored by nation-states making use of malicious codes to compromise 'enemy' information systems. In essence, cyber warfare has got to do with the attack on the information networks, computers, or infrastructure of another entity by an international organization or nation-state. In the context of this discussion, cyber war will be taken as the utilization of "coordinated attacks to specific critical sectors of a country" (Edwards, 2014, p. 67). The key aim of such attacks is usually sabotage or espionage. This text concerns itself with cyber warfare. In so doing, it will amongst other things analyze a journal article titled, Stuxnet: Dissecting a Cyber Warfare Weapon, by alph Langner. More specifically, the text will conduct a technical analysis of the said article and discuss not only the offensive and defensive Cyberware strategy, but also make recommendations…...
mlaReferences
Edwards, M. (Ed.). (2014). Critical Infrastructure Protection. Fairfax, VA: IOS Press.
Global Research- Center for Research and Globalization (2013). U.S.-Israeli Stuxnet Cyber-attacks against Iran: "Act of War." Retrieved from http://www.globalresearch.ca/us-israeli-stuxnet-cyber-attacks-against-iran-act-of-war/5328514
Langner, L. (2011). Stuxnet: Dissecting a Cyberwarfare Weapon. Retrieved from http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=5772960&url=http%3A%2F%2Fieeexplore.ieee.org%2Fxpls%2Fabs_all.jsp%3Farnumber%3D5772960
Rosenzweig, P. (2013). Cyber Warfare: How Conflicts in Cyberspace are Challenging America and Changing the World. Santa Barbara, California: ABC-CLIO.
System Security and Internet Privacy
Personal computers have become an important component of today's society given their role in helping stay connected with the contemporary world. Actually, computers are currently used for a wide range of purposes and across a variety of settings. Consequently, computers are used to keep personal information, which implies that they have become critical parts of everyday life. However, the use of computers requires ensuring privacy in order to guarantee the security of information. Computer users are constantly faced with the need to ensure the security of their systems through implementing various measures towards systems security.
System Security
I have just received a new computer for my home environment and can easily connect to the Internet and perform some online banking through the already existing Internet Service Provider. However, I need to ensure systems security in order to promote security of personal information, especially banking information. The first step…...
mlaReference
Kent, J. & Steiner, K. (2012). Ten Ways to Improve the Security of a New Computer. Retrieved from United States Computer Emergency Readiness Team website: https://www.us-cert.gov/sites/default/files/publications/TenWaystoImproveNewComputerSecurity.pdf
According to aul B. Mckimmy (2003), "The first consideration of wireless technology is bandwidth. 802.11b (one of four existing wireless Ethernet standards) is currently the most available and affordable specification. It allows a maximum of 11 megabits per second (Mbps)" (p. 111); the author adds that wired Ethernet LANs are typically 10 or 100 Mbps.
In 1997, when the IEEE 802.11 standard was first ratified, wireless LANs were incompatible and remained vendor specific; the 802.11 protocol representeded an important step towards standardization (assmore, 2000). Wireless local area network (LAN) technology, however, has actually been in use since the late 1980s; different proprietary approaches were commonly used, and the networks operated at lower speeds (e.g., 1-2 Mbps). In 1997, though, the standards setting body, IEEE, released the 802.(11) standard for wireless local area networking using the unlicensed 2.4 GHz frequency band (as opposed to the 900 MHz band used in the…...
mlaPassmore, D. (2000, March). Wireless LANs Come of Age. Business Communications Review, 30(3), 22.
Vance, a. (2002, August). Variations on 802.11: Here Are 802.11's a, B, G's, and Other Things You Never Learned in School about Wireless LANs. Business Communications Review, 32(8), 36.
Weiser, M. (1998). The future of ubiquitous computing on campus. Communications of the ACM, 41, 41-42.
CBU installed a computer system tracking calculating inventory costs. On December 31, ye
In my opinion, it would be relatively easy to explain the diverse opinions regarding the efficacy of the new computer system for tracking and calculating inventory costs at CBU. There is actually a degree of rectitude found in the opinions of both accountants A and B. There certainly is validity to accountant A's viewpoint: that the auditing team was able to find a discrepancy between the amount of the physical inventory and that which was recorded on the new system for this organization (the difference was a million dollars). It certainly would not have been prudent to be unaware of such a discrepancy, and to have the books erroneously balanced due to such an error. Therefore, from this basic perspective accountant A actually has a good point.
However, it largely appears as though this accountant has taken the…...
New Computer Systems
For a Nostalgia Record Store
Nostalgic Record Store Information Systems Proposal and Plan
Strengths and Weaknesses of Recommended Information Systems
Comparing Record Store Computing Systems Cost and Benefits
Baby Boomers who are nostalgic for music from the 60s, 70s and 80s are a lucrative market for a record store. Many of these music fans are also big fans of the classic nostalgic music from the 1950s, which include many of the classic rock and roll pioneers including Elvis Presley, early Johnny Cash recordings, Richie Valens and Buddy Holly. he demand for music from these periods is very high given the tendency on the part of people in general and Baby Boomers specifically to prefer music from less complicated times.
What's very important to realize about these purchasers is they have a completely different series of information channels they go through to learn about music vs. how they buy. While the new store…...
mlaThe strengths (benefits) and weaknesses (drawbacks) of these systems are discussed in the next section of this paper.
Strengths and Weaknesses of Recommended Information Systems
Beginning with the Catalog Management & E-Commerce website system, the advantages or strengths is the ability to automate the entire website incouding catalogs and pricing for all items online. There is also the advantage of creating online specials and getting customers to opt in for specials and to create profiles showing their specific interests in music. This system will help with search engine optimization (SEO) to make sure the store shows up in searches. The disadvantage's are that these systems can be expensive and often are hosted on servers at 3rd party companies incouding Yahoo or Google. This means it is difficult to recover data or if the system crashes, recreating it can take a lot of time. The second systems is the Checkout or Selling System which is the cash register tied back to the central system running the store. The advantages of using this type of system is that all transactions can be quickly captured and recorded directly into the accounting system. Another advantage is the ability to quickly update inventory and pricing for new products. The disadvantages are the cost and the need for having a small network running the TCP/IP protocol throughout the store to enable this system to integrate with the General Ledger system (Bagchi-Sen, Kuechler, 2000). The third systems General Ledger systems are indispensable in running any business, and for the development of an effective series of financial statements, this system is critical. The advantages are better control of finances than any other approach that is manually based, greater support for banking tasks, and more efficient use of existing cash on hand by knowing the exact status of accounts (Bagchi-Sen, Kuechler, 2000). The disadvantages of this type of system include the lack of visibility into the
Human Element
Computer systems design has come a long way from the time when Dijkstra first began exploring time sharing mechanism in the workings of the keyboard. In his day, computers were the realms of scientists and technical people. Operating systems designers were more concerned with processing ability. Human factors and "user friendliness" were terms that would not be a part of their vocabulary for many years to come. At the time of their early work, most of the population was still amazed at the automatic toaster and the television. Many early designers did not think about the common person eventually becoming a consumer of their product in a major way.
Dijkstra had vision beyond his time period and was one of the first to consider human factors in systems design. The first concept to be considered was the reduction of time spent waiting for the system to process the line…...
mlaWorks Cited
Bertrand, Meyer: "Proving Pointer Program Properties. Part 1: Context and overview," in Journal of Object Technology, vol. 2, no. 2, March- April 2003, pp. 87-108. 2003)http://www.jot.fm/issues/issue_2003_03/column8 .(March,
Bunge M. (1977). Ontology I: The Furniture of the World, Vol. 3 of Treatise on Basic Philosophy. Dordrecht and Boston: Reidel.
Dijkstrra, Edsger. My Recollections of Operating System Design. Manuscript.
Department of Computer Sciences. University of Texas at Austin. (October, 2000/April, 2001) EWD1303 (March, 2003)http://www.cs.utexas.edu/users/EWD/ewd13xx/EWD1303.PDF
As many of the components of our current computer system are more than five years old, there could be a significant cost savings produced by replacing and updating the system, in addition to the extra revenue generated by increased productivity (Meredith, 2010).
I have already begun preliminary investigations as to some of the specific components, processes, and features that might be desirable in this new system, and am awaiting your approval to conduct further research and feasibility analysis with this project, to eventually lead to the development and implementation of the system. I am very optimistic that this project could ultimately help to drive this company to new heights, capable of more fully capitalizing on emerging opportunities.
Respectfully yours,
Mr. Cubicle...
TMP (Trusted Platform Module) is an international standard dedicated to secure hardware by integrating the security cryptographic keys into hardware devices. In other words, the TMP is a secure cryptoprocessor integrated into the computer motherboards enabling full disk encryption without using extremely long paraphrases. When a user buys a personal computer, the TPM is built into the computer's motherboard with the goal to offer security into the computer systems by generating the encryptions keys to protect the data in the drive. With the TPM in place, an attacker cannot remove the file from the systems or access the files elsewhere. Moreover, the TPM stores the encryption key that requires a user to login with a password to get access to the Windows and computer system.
The objective of this paper is to explore the concept the Trusted Platform Module, and the working protocol of the TMP technology.
Working Process of Trusted…...
mlaReference
Francis, A., Daniel., R. M. and Vindoh, E.S.E. (2013). TPM: A More Trustworthy Solution to Computer Security, Engineering and Computer 3 (3): 99 -- 103.
Hans, B., & Infineon Technologies, A. (2008). Introduction Trusted Computing: The TCG Trusted Platform Module Specification. Infineon Technologies AG, Germany.
Jared, S., Dmitry, P., Jason, L., Nael, A., & Jesse, E. (2011). TPM-SIM: A Framework for Performance Evaluation of Trusted Platform Modules. Conference: Proceedings of the 48th Design Automation Conference: 236-241.
Penetration Testing
The use of penetration testing to test the security and safety of a network is a common practice among many firms. It is further often normal to not inform the relevant staff and personnel behind a network about what is about to occur so that they are truly tested based on what they would normally be doing. However, there are legal and other minefields to doing such testing and all of the people involved need to be careful to cross all the t's and dot the I's before getting too deep into such testing. While penetration testing needs to be as complete and realistic as possible, there are some precautions and other steps that must be taken.
Best Practices
As one might expect, the big thing to have when it comes to penetration testing is permission to so do. However, it is important to define what that means in the context…...
mlaReferences
Iron Geek. (2017). State Hacking/Computer Security Laws. Irongeek.com. Retrieved 8 May 2017, from https://www.irongeek.com/i.php?page=computerlaws/state-hacking-laws
Kassner, M. (2017). Don't let a penetration test land you in legal hot water - TechRepublic. TechRepublic. Retrieved 8 May 2017, from http://www.techrepublic.com/article/dont-let-a-penetration-test-land-you-in-legal-hot-water/
The subject matter of systems administration includes computer systems and the ways people use them in an organization. This entails knowledge of operating systems and applications, as well as hardware and software troubleshooting, but also knowledge of the purposes for which people in the organization use the computers.
The most important skill for a system administrator is problem solving. The systems administrator is on call when a computer system goes down or malfunctions, and must be able to quickly and correctly diagnose what is wrong and how best to fix it. In some organizations, computer security administration is a separate role responsible for overall security and the upkeep of firewalls and intrusion detection systems, but all systems administrators are generally responsible for the security of the systems in their keep. (Encyclopedia.com, 2011)
Network Administrator
What is a computer network? According to McGraw Hill Online Learning Center, "a network is two or more…...
mlaReferences
Armstrong, L. (1995), Let's Call the Whole Thing Off
Dignan, Ars Technica, Jan 28, 2001, post 305, http://arstechnica.com/civis/viewtopic
Encyclopedia.com - Information Technology- accessed 2011/1/14
Hegel, G.W.F., the Phenomenology of Mind, (1807), translated by J.B. Baillie, New York, Harper & Row, 1967
Subtopic 6: Job management and protection; include a serious discussion of security aspects
The most commonly leveled criticism of operating systems is the inherent lack of security they have (Funell, 2010). Defining operating systems to have partitioned memory is just the start, as Microsoft learned with their Windows NT platform. Dedicated memory partitions by user account can be hacked and have been (Funell, 2010). The need for greater levels of user authentication is required, including the use of biometrics for advanced systems that have highly confidential data within them. The reliance on security-based algorithms that also seek to analyze patterns of use to anticipate security threats are increasingly in use today (Volkel, Haller, 2009). This aspect of an operating system can capture the levels of activity and the patterns they exhibit, which can provide insights into when a threat is present or not. The use of predictive security technologies, in addition…...
mlaReferences
Boudreau, K.. (2010). Open Platform Strategies and Innovation: Granting Access vs. Devolving Control. Management Science, 56(10), 1849-1872.
Jason Dedrick, & Kenneth L. Kraemer. (2005). The Impacts of it on Firm and Industry Structure: The Personal Computer Industry. California Management Review, 47(3), 122-142.
Furnell, S.. (2010). Usability vs. complexity - striking the balance in end-user security. Network Security, 2010(12), 13-17.
Larus, J.. (2009). Spending Moore's Dividend. Association for Computing Machinery. Communications of the ACM, 52(5), 62.
Attacks on the system security include password theft, back doors and bugs, social engineering, protocol failures, authentication failures, Denial of Service attacks, active attacks, botnets, exponential attacks including worms and viruses, and information leakage. (Fortify Software Inc., 2008); (Fortify Software, n. d.)
Servers are targets of security attacks due to the fact that servers contain valuable data and services. For instance, if a server contains personal information about employees, it can become a target for stealing identities. All types of servers, which include file, database, web, email and infrastructure management servers are vulnerable to security attacks with the threat coming from both external as well as internal sources.
Some of the server problems that can jeopardize its security include: (i) Weakly encrypted or unencrypted information, especially of a sensitive nature, can be intercepted for malicious use while being transmitted from server to client. (ii) Software bugs present in the server Operating…...
mlaReferences
Bace, Rebecca Gurley; Bace, Rebecca. (2000) "Intrusion Detection"
Sams Publishing.
Fortify Software Inc. (2008) "Fortify Taxonomy: Software Security Errors" Retrieved 17 November, 2008 at http://www.fortify.com/vulncat/en/vulncat/index.html
Fortify Software. (n. d.) "Seven Pernicious Kingdoms: A Taxonomy of Software Security
As many of the world's industries are faced with increasing competitive pressure and the need to continually improve their performance, employers look to new employees with computer fluency skills as an indicator that the person also has initiative to tackle difficult learning projects and master them. Initiative is very valuable in today's labor market. When combined with computer fluency and literacy, a prospective employee can add in knowledge of a specific industry and gain a greater competitive advantage in getting a new position. This combination of factors together is what serves as the catalyst for anyone seeking a career where computer fluency is a necessary requirement.
Summary
The level of computer literacy and their level of fluency with PCs, applications, the Internet and its many applications and research tools will have a direct correlation to what they will earn over their lifetimes; this point is clear from the studies citied. In…...
mlaFrancis Green, Alan Felstead, Duncan Gallie, Ying Zhou. "COMPUTERS and PAY." National Institute Economic Review no. 201 (July 1, 2007): 63-75. (Accessed April 30, 2008).http://www.proquest.com
Copacino, William C "Skills development -- the best defense against downsizing." Logistics Management, January 1, 1997, 42.
A www.proquest.com (Accessed April 30, 2008).
1. The Evolution of Trains: From Steam Engines to High-Speed Rail
2. How Trains Revolutionized Transportation and Shaped Standard Time
3. The Impact of Trains on Economic Growth and Urbanization
4. Standardizing Time: The Role of Trains in Establishing Coordinated Time Zones
5. The Transcontinental Railroad: Connecting a Nation, Unifying Time
6. From Greenwich Mean Time to the GMT+ Railway Standard: How Trains Set the Clocks
7. Trains and the Industrial Revolution: Timekeeping for Efficiency
8. The Influence of Trains on Social Life and Cultural Practices
9. The Romantic Era of Train Travel: Luxury, Speed, and Timekeeping
10. Trains and Standard Time in the Digital Age: Challenges and Innovations
11.....
Cyber hackers exploit vulnerabilities in computer systems in various ways to gain unauthorized access, including:
1. Exploiting software vulnerabilities: Hackers can target software weaknesses (such as bugs or security flaws) to gain access to a system. They may deploy malware or use techniques like buffer overflows to exploit these vulnerabilities.
2. Phishing attacks: Hackers often use phishing emails or fake websites to trick users into providing sensitive information like login credentials. Once hackers obtain this information, they can use it to access the system.
3. Social engineering: Hackers may use social engineering techniques to manipulate people into providing access to a system. This....
Impact of Information Technology on Legal Regulations and Compliance in the Digital Age
The rapid advancement of information technology (IT) has profoundly reshaped various aspects of modern society, including the legal landscape. In the digital age, IT has created novel challenges and opportunities for legal regulations and compliance.
Challenges to Legal Regulations
Data Privacy and Protection: IT has led to the proliferation of personal data collection and storage. This raises concerns about data privacy and the potential for misuse, unauthorized access, and data breaches. Legal frameworks must address these issues to safeguard individuals' rights.
Intellectual Property Rights: Digital technologies make it easier....
Self-driving cars use a combination of sensors, cameras, lidar (laser-based radar), GPS, and mapping technology to navigate through complicated roadways and intersections. These sensors and cameras constantly gather information about the car's surroundings, such as the positions of other vehicles, pedestrians, road signs, traffic lights, and lane markings.
The data collected by these sensors is then processed by a complex computer system that makes decisions in real-time about how to navigate through the environment. This system uses algorithms and artificial intelligence to interpret the sensor data, plan the car's route, and make decisions about when to accelerate, decelerate, change lanes, and....
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