describe the threats to information security when working online
Tài liệu Module 3: Identifying Threats to Network Security pptx
... Lesson: Introduction to Security Threats 2 Lesson: Predicting Threats to Security 8 Lab A: Identifying Threats to Network Security 15 Module 3: Identifying Threats to Network Security ... Identifying Threats to Network Security To begin the lab, open Microsoft Internet Explorer and click the name of the lab. Play the video interviews for students, and then instruct students to begin the ... risk. The STRIDE model is a simple way to categorize threats according to their characteristics. There are six categories of threats in the STRIDE model. A threat may belong to more then one...
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Information Security: The Big Picture – Part I
... access to it, and a host of other factors. The point is there are too many variables to ever possibly protect against all the possible threats to your information. To do so would cost too much ... effort to tell them what the rules are to begin with. Let them know the best ways to handle information securely, and tell them the consequences of poor information handling.Finally, a good security ... your business rival? The value of your information to others may factor into how much you put into security. You need to address these three questions early on in your security planning. Until...
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Information Security: The Big Picture – Part II
... would contact the operator at the central office and tell them the name of the person they wanted to talk to. The operator would then connect the caller’s plug to the plug of the person being ... in the diagram shows the simplest scenario. A person connected to the CO wants to talk to another person on the same CO. The operator at that CO connects the lines for the two phones and off they ... connected to one CO needs to talk to a person at another CO. The first person contacts the operator at his CO and tells her he needs to talk to a person in another city. The operator looks up the...
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Information Security: The Big Picture – Part III
... to the PC acknowledging the FIN sent by the PC. Next, the server sends a FIN packet to the PC to close its side of the connection. Finally, the PC sends an ACK to the server to acknowledge the ... places the “Hello There” inside of it. The Application Layer then sends the packet to the Transport Layer. The Transport Layer takes the packet and adds a header to it. The header has all the information ... layer takes the information from the layer above it, examines it, adds its own information to it, then sends it to the next layer down the stack.Once the packet reaches the bottom of the stack,...
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Information Security: The Big Picture – Part IV
... services that they would normally not have authorization to use. And while they can try to connect to the computer to gain access to the service, they will not be able to pass through the authentication ... which then act as the agents for the attack. Being good little agents, they want to reply to the request. However the only information they have is the spoofed IP address of the victim. All the ... network. In addition to doing this, the attacker also spoofs the source address of the request to be that of the victim. The broadcast address then re-directs the ping to all the other hosts on that...
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Information Security: The Big Picture – Part V
... allows the browser to send some information to the server, usually information from a form the user fills out. POST transactions send the information from the browser to the server. The server ... contains the information that the encryption process uses to begin encoding the information. When the time comes to descramble the information, a key is once again used to enable this process. The ... key to use for the encryption, as shown in the top half of the picture. Here the key they select is “XYZZY”Then, Alice wants to send an encrypted message to Bob. The message she wants to send...
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Information Security: The Big Picture – Part VI
... special area of the disk called the boot sector. The boot sector instructs the computer how to load the operatingsystem from the rest of the disk. If the boot sector is corrupted, the computer ... response to the challenge. When the response comes back from the user, the server will compare the user’s response to the one it generated and is expecting. If the two match, the user is authenticated ... logs into the computer and is authenticated, their ID will be tagged as belonging to the research department. If they try to access the accounting files, the computer will compare the two tags...
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Tài liệu Information Security: The Big Picture – Part V pdf
... contains the information that the encryption process uses to begin encoding the information. When the time comes to descramble the information, a key is once again used to enable this process. The ... allows the browser to send some information to the server, usually information from a form the user fills out. POST transactions send the information from the browser to the server. The server ... Cryptography.In symmetric cryptography, if Alice wants to send a message to Bob she selects a key to encrypt the information. She then sends the message to Bob. Bob then uses the same key to...
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Tài liệu TOEFL iBT Scores: Better information about the ability to communicate... pptx
... whether the test taker has addressed the task and conveyed relevant information. They also consider whether the test taker has effectively synthesized and summarized the information in the ... levels on the CEF. Although the TOEFLđ computer-based test (CBT) was not included in the study, the TOEFLđ CBT scores in the table are comparable to the scores panelists recommended for the paper-based ... and the scores from the computer-based (CBT) and paper-based (PBT) versions of the TOEFL test. Institutions may choose to set TOEFL iBT scores that are comparable to the CBT and PBT for the total...
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Tài liệu Information Security: The Big Picture – Part IV doc
... re-directs the ping to all the other hosts on that network, which then act as the agents for the attack. Being good little agents, they want to reply to the request. However the only information they ... services that they would normally not have authorization to use. And while they can try to connect to the computer to gain access to the service, they will not be able to pass through the authentication ... it who the real Victim is, how long the attack should last, and any other information the Agents will need. The Handler then relays that information to the Agents and off they go. What the Victim...
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Tài liệu Information Security: The Big Picture – Part V pptx
... allows the browser to send some information to the server, usually information from a form the user fills out. POST transactions send the information from the browser to the server. The server ... contains the information that the encryption process uses to begin encoding the information. When the time comes to descramble the information, a key is once again used to enable this process. The ... ran them, they interacted with a server somewhere on the network, they did the work on the server, you got the results, and you were done. Then with the advent of the web, we started seeing the...
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Tài liệu Information Security: The Big Picture – Part VI doc
... response to the challenge. When the response comes back from the user, the server will compare the user’s response to the one it generated and is expecting. If the two match, the user is authenticated ... security guards to control access to the building. In your car, you have a key that controls access to open the door. At the theater you might see the use of ropes to guide patrons to the right room ... systems. The server then sends the challenge to the user. The user then must do something with that challenge in order to obtain the proper response. Typically, the challenge is entered into a...
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Tài liệu Information Security: The Big Picture – Part VI pptx
... logs into the computer and is authenticated, their ID will be tagged as belonging to the research department. If they try to access the accounting files, the computer will compare the two tags ... detecting and removing them. They then put these new methods into updates to their software and distribute them to users of their products. You should be downloading and installing these updates as ... server. Once the user is authenticated, the Kerberos system issues tickets to the user whenever he or she needs access to a network service. The Kerberos user never has to log in or authenticate...
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Tài liệu The Insider’s Guide to PR: Chapter 1 WORKING IN A PR CONSULTANCY doc
... consultancy. If you already have a good idea about working in PR then you might want to move on to the next section which discusseswhether you have the right skills. Those looking for a career in ... conduct. In-house PRdepartments might also have to work to other standards or codes related to theirown specific industries. The Insider’s Guide to PR: Chapter 1Page 3Kathryn WyllieAccount ... tend to be in-house PR, marketing orcommunications departments of other private businesses or the public sector, likelocal authorities. PR CONSULTANCY: A PROFILEIf you decide to choose the...
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