...be done easily using a firewall. Other types of attacks such as a man in the middle attack can be easily prevented by using public key infrastructure5. DDOS attacks need more handling since DDoS attacks are divided into two general categories: 1) Application Layer 2) Network Layer6. To protect again DDoS attacks the organization may use cloud-based botnet DDoS protection service like Incapsula where malicious requests are automatically filtered out and only legitimate ones are allowed to pass through, enabling smooth traffic flow at all times. References 1. http://searchsecurity.techtarget.com/tip/Six-steps-to-securing-your-Web-server 2. http://security.stackexchange.com/questions/69407/why-is-using-ssh-key-more-secure-than-using-passwords 3. http://www.cgisecurity.com/lib/PP-SecuringWebServers-RFC.pdf 4. https://www.trustwave.com/Resources/SpiderLabs-Blog/Hiding-Webshell-Backdoor-Code-in-Image-Files/ 5. https://en.wikipedia.org/wiki/Man-in-the-middle_attack 6. https://www.incapsula.com/ddos/ddos-attacks/botnet-ddos.html 7. ...
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...and practitioners be especially cautious around there. History demonstrates that slips here regularly make genuine security and/or protection issues and produce very unfavorable exposure for the practitioner's organization. 2. Abuse of Server Log Information A server is in the position to spare individual information around a client's solicitations which may distinguish their perusing examples or subjects of hobby. This data is obviously secret in nature and its taking care of can be obliged by law in specific nations. Individuals utilizing the HTTP convention to give information are dependable to guaranteeing that such material is not disseminated without the authorization of any people that are identifiable by the distributed results. 3. Transfer of Sensitive Information Like any non specific information exchange convention, HTTP can't manage the substance of the information that is exchanged, nor is there any from the earlier strategy for deciding the affectability of any specific bit of data inside of the setting of any given solicitation. Thusly, applications SHOULD supply however much control over this data as could reasonably be expected to the supplier of that data. Four header fields are worth unique specify in this connection: Server, Via, Referer and From. Uncovering the particular programming form of the server may permit the server machine to wind up more powerless against assaults against programming that is known not security openings. Practitioners SHOULD make...
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...GFI Services admits that while no network can be 100% safe, following an effortless plan can improve network security and improve security against new malware. In doing this, I would recommend keeping the virus database up to date, turn on the firewall, the real-time file system, educate staff on safe internet practices, and scan all removable. The North Eastern University Office of Information Security, views outdated anti-virus and unpatched devices as a major loophole for malware attacks. .One method to avoid malware attack is to keep the virus signature database current and apply the requisite patches. Normally whichever product you select to maintain your system, from the wide array available, the software specialists investigate online threats daily and release habitual updates to improve the level of protection and fix vulnerabilities in their system. These revisions enable swift discovery of new threats and keep your company network unharmed. The North Eastern University also encourages administrators to install software updates from mainstream vendors such as Adobe, Java, Microsoft and Apple frequently. Microsoft encourages it users to use and turn on their firewall. They define a firewall as: "a set of rules that chooses which information can access your PC. It can help prevent malware infections by stopping suspicious programs from getting onto your PC, or accessing the internet once installed." The firewall is able to guard your communication data whether it is...
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...binary is copied to the %TEMP% directory and renamed to svchost.exe, to make it difficult for people to find and delete (blog.avast.com). Locky encrypts all the drives on the victim’s computer and deletes all Shadow Volume Copies so these cannot be used to restore encrypted files. 3. Hard-coded IP addresses for communication. It uses a Domain Generation Algorithm to generate a large number of domain names used as a way of communication. The DGA used by Locky generates ‘eight unique domains every two days’ (blog.avast.com) making it difficult to be traced. 4. Locky encrypts all the drives on the victim’s computer and over 160 file types. 5. RSA-2048 + AES-128 encryption is used. Filenames are changed to a hash value and the Locky extension. 6. No way to decrypt the files encrypted by Locky other than purchasing the decryption key, however there are anti malware programs that can remove the ransomware. 7. Dependant on how many files it manages to encrypt. The normal fee is 0.5 BitCoins. Locky’s website is located on the Tor network. TeslaCrypt 1. Capitalises on Adobe Flash common vulnerabilities. 2. Deletes itself after installation and disables error messages from applications (anti-virus) (joesecurity.org) 3. Connects to the command and control server via the TOR network using different TOR proxy servers 4. System files and document files such as text, PDF, and video-gaming files. 5. It uses AES cipher for encrypting files and stores sha-256 values of the different keys 6. In 2016...
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...Lintel is a horizontal structural member provided to support the weight of the wall above the opening of door or window. Sunshades are generally combined with lintel, that are provided on doors and windows of exterior walls. Functions of sills, lintels and sunshades: 1) Sills protect the top of the wall from wear and tear. 2) Sun shades are provided to protect the doors and windows from the weathering agents such as sun, rain etc. 3) The actual frame of a door or window is not strong enough to resist the weight of the wall above the opening. To support the weight of wall lintel is provided. 1.2.7 Roofs A roof is the upper most part of a building and its main function is to cover the space to give protection to building. Functions of...
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...ACME’s list of needs for the new satellite offices and setup for the main offices needed a long list of supplies that were costly. Each part focused on being able to expand and be cost effective. The parts were also supposed to help eliminate downtime. An example of this is centralized management which bans certain sites from being accessed, and only allowing work websites to be accessed. All of these parts will reduce the office’s downtime and ensure that the loss of important files won’t happen. All information and documentation will be protected. The chart on the case study visualized the set up for the office with a central area containing a server and the central router and a WAP which will provide internet access and Wi-Fi for the office. A VLAN can be set up for the amount of computers needed and be able to communicate efficiently. This will allow employees to save data and store it in the same area. The satellite offices will not have a switch nor a server, they will use the centralized management from the main office. We will set everything up with wires using 52,800 feet of cable. On this VLAN that was created, you’d have to have all of the printers on it. I researched on how to centralize and manage printing, and I found out you have to Open the Control Panel and go to “Change advanced system settings” and turn on File and Printer sharing. This will enable you to start to share your printer on the VLAN. You choose your device and printers in the start menu and select...
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...Explain the type of servers that are essential for ‘PC TECH’ considering the cost, purpose and operating system requirements. The owner of the folder can read, write, amend and delete files in the folder but other staff can only read the information, copy a file but are not able to amend or delete any file with the same name and in the same location. To change any file they have to save it in different location. Seeing as ‘PC TECH’ is a computing company specialising in sales of PC components. With this in mind, ‘PC TECH’ would need a big enough memory to hold a variety of servers essential in allowing the staff to work efficiently which may include producing reports, keeping records and any other similar work. The different types of servers required are ‘PC TECH’ are: FTP servers – File Transfer Protocol servers are “used to transfer files from one host to another host over a TCP-based network, such as the Internet” (http://en.wikipedia.org/wiki/File_Transfer_Protocol 18/01/2001) this will be essential for ‘PC TECH’ because the company itself plans to sell PC components and so to do this through an e-commerce, then files will be sent between the staff members through the network in order to set up the website or transferring files to the different departments. Print server – if the company will frequently be printing reports, then a print server will be essential as it allows all connected devices on the network to print from one printer. If a hub or switch was used then...
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...method, it still finds use in a number of applications. Name at least 2 such applications you can think of. Answer: Flooding is not practical and a very efficient in most applications, but it still has several numbers important uses of applications. For example, in military applications, where large numbers of routers may be blown to bits at any instant, the tremendous robustness of flooding is highly desirable. Based on this reality here is the name of application I may think of this particular perspective:- 1. In military applications, the network must remain robust in the face of (extreme) hostility 2. Sending routing updates, because updates can’t rely on the correctness of a router’s routing table. 3. Theoretical – chooses all possible paths, so it chooses the shortest one. 3. Store and Forward Switches have an advantage over Cut through Switches. What is...
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...Security between Hardware and Software tool. Criteria Frequency Percentage Hardware 55 55% Software 45 45% Analysis: 55% respondents think that hardware is more effective and based on security, 45% people think that software is more effective and based on security. Interpretation: Professional rely more on the hardware security rather than the software security solutions. FINDINGS 1. 41% of respondents use the internet frequently, while 35% occasionally, 19% rarely and 5% few times. 2. Outcome of the study that 76% of the respondents think internet is either not safe or partially safe. If not taken care of your computer resources due to Hacking or viruses, while 21% are agreed that it is somewhat safe along with 4% completely safe. 3. Word of the month is the most used source of information about online security issue, while 24% people say that the E-mail warnings are the major concern other 16% think computer. 4. 44% of respondents are worried about security privacy. Where 35% are fairly concerned about it where 12% are concerned about security & privacy, while 9% are careless about the internet security. 5. 75% respondents thinks that by reading the email having the exe files one can get the viruses problem in their computer where 17% say that they can’t get virus through email, where 8% are not sure about it. 6. 85% respondents thinks that you can get virus by browsing websites where 9% does not thinks so, where 6% are not sure about it. 7. 28% respondents are completely...
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...guidelines that the DHHS, CMS and NCHS prepare for coding and reporting are: Structure and coding conventions, Chapter-specific ICD-9-CM or ICD-10-CM coding guidelines, Selection of Principal and additional diagnosis and procedures for inpatient settings and outpatient coding and reporting. The guidelines are approved by the AHA, AHIMA, CMS and NCHS that comprise the cooperating parties for the ICD-9-CM and ICD -10-CM/PCS. Reporting ICD-9-CM and ICD-10-CM codes on submitted claims ensures the medical necessity of procedures and services provided to patients during an encounter, which is defined as "the determination that a service or procedure rendered is reasonable and necessary for the diagnosis or treatment of an illness or injury. A 3-character category that has no further subdivision is a valid code. Codes that have an applicable seventh character are considered invalid without the seventh character. For example, a coder reports a code with the X placeholder in the 5th or 7th-character position is considered an invalid code, because that code requires "x" as a placeholder in either the 5th or 7th-character position. It would be incorrect if reported and results in a denied claim for third-party payer reimbursement. Claims can be denied if the medical necessity of procedures or services is not established. Each procedure or service reported on the CMS-1500 claim must be linked to a condition that justifies the necessity for performing that procedure or providing that service...
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...Answer: The command will ensure that perimeter door locks which are keyed-alike are allowed as noted regulation (AR 190-51, para 3-5e(4)) 5. General Requirements - Administrative Key & Lock #1044 Deficiency: Locks have not been replaced or recorded when a key has been determined to be missing. What is the Command Fix-It Plan for replacing/recording missing key(s)? a. Answer: The command Facility NCO is in the process of re-doing the Key control sign out log. This will ensure that all personnel that are allowed to have key access to the reserve center are in compliance of this command policy of access to the reserve center. Any lock that need to be replaced due to missing key will be placed on order via the 81st RSC. Note: Due to this inspection; all combination locks and cipher locks have been changed/reset. 6. General Requirements - Structural #1056 Deficiency:...
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...P1.1 Describe the functions and use of different servers in benefitting a small web presence business needs. Web Server: A web servers main job is to host and transfer data and also store data in which the Web server then gives to the users trying to access the website in terms of benefiting a small business, dependant on how popular the business is and how much it can afford to transfer its business online it may not be able to afford one Web server or be able to keep it running. However if it was able to afford a server it would only need One or two depending on the size of its market and users that would visit the site. Only big companies like Xbox live and Amazon, Google need lots and lots of servers to handle the millions and millions worth of Internet traffic a day which is why they need server rooms. However one server would be enough to host a small business as it would be able to cope with small amounts of traffic. File Server: A file server is able to store amounts of files and retrieve them upon request of people who have access to the Local area network; the file server does not compute anything or run any programs, its primary use is to Store and retrieve files upon clients in the network. This would be beneficial a small business as it would allow the business to store files under protection of the network. This hardware isn’t essential however is useful to be able to keep files safe while still being accessible by the business and nobody else. Mail Server: An...
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...For the PC it costs $59.95 for the full version. McAfee allows control over which files to scan including email attachments, network drives and instant message attachments. It can boost the performance of computers by erasing files that are not needed and the shredder can erase files beyond recovery even with the use of recovery software. It has a firewall which enables you to block internet access and has a locator for lost mobile devices. There is a secure cloud storage feature where you can securely store sensitive documents online and the files are unlockable using your face and voice. It is available for one month on free trial basis and costs $79.99 for the full package Question 3 When selecting antivirus software one has to first understand how the antivirus software works so as to get a better idea of the features on offer and technological terminology used by the ------------------------------ *Page 6* vendors and experts. An understanding to how the software detects viruses, how it catches it and under which circumstances it catches it in is required and the virus signature match database must be kept up to date to ensure that virus code matches can be identified as...
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...1. Disabling of the AutoPlay option in the Windows ( This will stop Virus from getting executed on insertion of the USB disks, CD , HDD etc which uses the Autoplay feature), nowadays we are seeing that with less user intervention the Virus is designed to autorun. 2.Make regular backups of critical data when data loss results from a virus infection or other security breach, users may be tempted to use compromised files to avoid losing work. Having current data backups available eliminates the need to try to restore data from possibly compromised or corrupted files. 3. Computers connected to the outside world should be properly protected from internet threats via firewalls. Laptops and remote home workers should be protected using host based firewall...
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...web data quickly that lets your customers land on your website within a short period. Installing caching software such as Memcached, Varnish, and Squid will help speed your website significantly. 2. Optimizing Content Content plays a significant role in terms of speed and performance of your website and there are several beneficial approaches to optimize the specific range. For this purpose, there are many online tools available for assistance that can help you with making potential alterations and improvements to the content. Google PageSpeed is one of the most popular web speed and performance analysis site accessible that offers overall statistics of load time and efficiency and points out the faulty areas that needs consideration. 3. Configuring Apache Apache is an essential attribute and crucial step in enhancing the utility of virtual private server. If configured incorrectly, it can lead to inefficiency and generate website issues. Upgrading distinct layer of settings can provide a better performing server and bring some considerable changes in the overall VPS environment. In addition, to successfully augment efficiency consider including only beneficial and effective Apache functions and component in the server and eliminate less effective resources. 4. Content Delivery Network If the distance between your server and the user’s browser is extreme, it can lead to slower load time. CDN services reduce latency by responding quickly to visitors’ request, thus speeding...
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