Types of Threats and Prevention in Networking

Types of brats and bar in Networking caper 4TASK4 (1) Major types of threatsThere ar mint of threat in the networking or which tail assembly be the internal and external. present I will explain both these threats below Internal ThreatUSB devices The biggest reason of internal threat is USB devices according to one of the survey oer 35% organizations believe that these devices were actu all toldy used for mistakeing or compromising the important discipline.Missing of pledge agent Each organization has to pose some agents on their endpoints. The work of these agents is to monitor the network traffic and motley other occasions. If these agents be out of date then our data is not secure. (cook, 2007)External threatPeer to peer sharing These programs are in all case responsible for take the data to the network. Similarly with the peer to peer program, we squeeze out connect one device to some other device and gouge stop over whole the data of another computerDevice o n the openhanded One of the other reasons might be the when we lose our thing. If all the in variationation is in that device so anybody who found the device finish take the data easily.Malware This may besides be the reason of external threat. As we probably know that malware comes from net from some bad sites, therefore if malware go far in our device, then in some agency they approach or device.TASK 4 (B) Network aegis oncomingsNetwork security attack These are few marks that nooky damage our codes as well steal the data as well. Some of the network threat is characterized below-nation Its also known as denial of work assault. Basically form the name it is clear that it assault our system. Teardrop attack, Exploit limitations in the transmission control protocol/IP protocols are few of the DoS attacks. We can expend scheduling to dispose of these DoS.DDos Distributed Denial of Service attack is an attempt to make the service unavailable by huge with traffic. It ove rwhelming it from so many sources. It forever and a day targets the essential resources from various important sites.Unauthorized access Unauthorized access means it access the network or without any permission. That unauthorized somebody can steal or delete the data. In assenting to that he can also misuse the information. Thats why we have to increase the security. info theft and loss Data theft is staple fibre process of stealing the data. The stealing can be from the system or from the server where it is stored. To misadventure this we have to increase the security. animal(prenominal) attack Physical attack is in any natural form where the information can be damage. For instance, any natural climates such as earthquake, flood or anything else. In addition to this it also cover any physical harm cause by the mankind like whether the server is destroyed or something else.TASK 5TASK 5- Network threat mitigation techniquesFirewall Firewall is a network security system. It acts as a barrier between networks. It stops the virus to innovate in our device. So we can say that its a better way to secure our data. It only gives access to authorized sites.The archetype judicial admission of a firewall is listed below-Anti-spamAnti-virusAnti-spoofingAnti-phishingAnti-spywareDenial of service guardThe other categories is end exploiter control featureUser based filteringIndividual spam levelingPersonal allow and block listSimplified and centralized giving medicationMultilingual user interfaceBarracuda energizes updateLogs and graphic reportNo per user chargesMultiple do main(Barracuda Spam Virus Firewall)IDPS (Intrusion honourion and prevention) It main work is to analyze the traffic for suspicious type of activities. Whenever there is something unanticipated it gives sign to the network administrator which can move to endThe standard specification of IDP is listed below-Frequency Required50/60 HzINTERFACE PROVIDEDTypeNetwork hostInterfaceEthernet 10Base-T /100Base-TX/1000Base-T connectedness TypeRJ-45 dischargeWORKINGFeaturesDiff Server support, DoS attack prevention, High Availability, Intrusion contracting System (IDS), Intrusion Prevention System (IPS), Quality of Service (QoS), implicit in(p) hardware bypassData Link ProtocolEthernet, Fast Ethernet, Gigabit Ethernet surgeryThroughput 300 MbpsRAMInstalled Size(Juniper Networks IDP 250 security appliance)Anti-virus Anti-virus is the program which detect the virus and delete it. We can remove malware, including worms, spyware and adware with the help of anti-virus.The standard specification of Anti-virus is listed below-Stop unknown threats with artificial intelligenceLayered protection with next generation technologiesSymantecs global intelligenceReduce bandwidth usage procure real time cloudAccess control This is the method which we employ to manage the access of the user. Due to this we can create limit for the user, which is rattling helpful for the networking. There are tw o types of access control physical and logical.Standard specificationThe standard access controls the physical and the logical security as well.Simple to manage.Provide the best security.Physical security Physical security is the after-school(prenominal) security which may help to keep the networking from the outside resources. It covers some of area, and very useful.Standard specificationStrong wallsStrong locksCCTVs auspices guardStrong password Strong password protects our information from stealing. It can also protect our data from the hackers. A strong password conceal varieties of thing like pattern, retina scan many of the things.Standard specification trope lockRetina scanVoice scannerFinger scannerTASK 6TASK 6- SCENARIOIn the above scenario there is discussion more(prenominal) or less the principle of information security between two companies AA and YY who are first mate in the nuclear project. Before claiming anything fist we have to study the basic principle of the information.Confidentially It basically refers to the privacy. It is design to check or present the essential data from some of the participant and other souls. Sometime in the big organizations if the data is very essential, then they furnish the training to the person to make the information of confidentially stronger. More things which they add to make it more safe is to set the password. Because it will give the better security to the information.So basically if two or more organizations are working on the same project, then a one company cannot indicates the information without the treaty of the other companies.Availability Availability is called to give every significant thing which is postulate for the project. For instance, if they need any other help then its employment to earmark them these help. Like if two organizations are working on the confusable project and one of the companies has availability of data which second company needed then it is responsible of th e company to give that data to his partner, so they can complete their task easily.Integrity Integrity is known as to provide the correct data, if it is coming from one person to another. To make it better we can use the encryption so data may not be lostTASK 7TASK 7- Role of cryptography in securing communicationCryptography is the term which we use to secure the data. It changes the message into an indecipherable format and this message called the cipher text. Just the person who has the access to rewrite that message will able to read and understand the message. Sometime code breaking should be possible by some of the peoples.Nowadays, as all the major discussion occurs on the internet so the security of the internet communication is very important. For this reason the cryptography is used. It protects few things like credit card details and e-mails. It gives end to end encryption so if we are sending message over the internet to some person we can send it safely.TASK 8Task 8- Major types of cryptographyThere are three major cryptography schemes which are explained below-Symmetric cryptography A symmetric cryptography is that where both sender and user utilize the similar key for the encrypting and deciphering the message. It is the quicker cryptography as compare to another one, but each party have to swap the keys for decoding the message. lopsided cryptography Its called the public key cryptography. It utilizes two different keys to encrypt and decrypt the message which is known as public and private keys.Hash matter It takes the set of the keys and maps to the value of certain length. It shows the original sequence of the character, while if it is little than the original.Whereas, we can say that it take message as the input and provide a fix size string in the return. This string also called hash value, message digest, digital fingerprint.ReferencesBarracuda Spam Virus Firewall. (n.d.). Retrieved from firewallshop.com http//www.firewallshop.com/ba rracuda/spam-firewall.aspxCook, R. (2007, june 19). Securing the Endpoints The 10 well-nigh Common Internal Security Threats. Retrieved from CIO http//www.cio.com/article/2438695/infrastructure/securing-the-endpointsthe-10-most-common-internal-security-threats.htmlgameboyrom. (2007, july 24). What is a local area network modem? Retrieved from DSL reports http//www.dslreports.com/faq/1669How to connect the word. (n.d.). Retrieved from whatlsmyIPaddress.com http//whatismyipaddress.com/natJuniper Networks IDP 250 security appliance. (n.d.). Retrieved from CNET https//www.cnet.com/products/juniper-networks-idp-250-security-appliance/specs/