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A howard roark building big picture

Information Security: The Big Picture – Part I

Information Security: The Big Picture – Part I

... assessment or a threat assessment. A risk analysis is a systematic review of all the aspects of a target area. The target area might be a computer system, a network, an e-commerce application, an Internet ... threats identified because of validated instances of damage based on those threats. In some ways these may be the most serious, because they have already happened and are likely to happen again ... areas that you can’t positively measure.Keep in mind that when you perform a risk analysis, it is easier to defend a quantitative analysis than it is a qualitative analysis. This is because...
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Information Security: The Big Picture – Part II

Information Security: The Big Picture – Part II

... their ability to understand and apply good security principles and concepts. Just as there are bad lawyers that have passed the bar exam and bad accountants that have passed the CPA exam, a CISSP ... enter and leave organization, roles are assigned and removed• As objects and applications change, roles can be re-assigned accordinglyOne of the big advantages of role-based security is that ... and on-line, examinations, and practical experience.Unlike the CISSP exam, in which candidates need only pass an examination to obtain certification, GIAC candidates must also demonstrate applied...
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Information Security: The Big Picture – Part III

Information Security: The Big Picture – Part III

... exchange, and therefore very little message reassembling to do.UDP is also a good choice for applications that can stand a small amount of packet loss. For example, a broadcast of a musical ... 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 that the Transport Layer ... voltage and current, etc.The Data Link Layer connects the physical part of the network (e.g. cables and electrical signals) with the abstract part (e.g. packets and data streams). It also creates...
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Write Better Essays  - Revising - The Big Picture

Write Better Essays - Revising - The Big Picture

... examining it at the paragraph level.The first question to ask about paragraphs is also a big picture question:1. Are you paragraphs in a logical and effective order?Once you’ve addressed this ... lens thanthe one you used to for big- picture issues. You will be determining whether each paragraph has just one mainidea, whether there are adequate transitions between paragraphs, and if ... essay.Practice 1So far, there are only two supporting paragraphs for the lying with silence draft. Add an additional supporting para-graph to strengthen and support this essay.–REVISING: THE BIG PICTURE 110Strategies...
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Information Security: The Big Picture – Part IV

Information Security: The Big Picture – Part IV

... of an application gateway is that it can do a detailed analysis of the packets and can be customized to the particular needs of the organization using the firewall. The disadvantage is that a ... past firewalls. There have been three basic types of IP fragmentation attacks. The first is the “Tiny Fragment” attack. In the Tiny Fragment attack, the attacker creates a packet and then fragments ... subsequent packets actually overwrite sections of the first fragment. Finally, an attack called the teardrop attack was launched by creating fragments so that a second fragment was placed entirely...
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Information Security: The Big Picture – Part V

Information Security: The Big Picture – Part V

... the same as building a vault with a strong lock and a cardboard door.All modern cryptography is based on complex mathematical theories and algorithms. In a large part, they are complex because ... an Internet audience, many of whom may even be out to intentionally do you harm.Third, your internal organizational database systems contain a great deal of valuable and confidential information. ... document. A one-way hash is a mathematical function that creates a digital value form a piece of input. We learned a bit about hashing and checksumming when we learned about Tripwire earlier in...
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Intrusion Detection The Big Picture

Intrusion Detection The Big Picture

... that the order of magnitude of the loss figure can be predicted and planned for. For example, traditional check and credit card systems have predictable and fairly stable small-scale fraud rates, ... has to be a balance between the cost of improving protection and the value of what you are defendingThe threats are real. The CD Universe attack was a classic example of an outside attack, while ... Vulnerability Scanner A Scanner Warning: A trusts B A has potential rshell vulnerability A BVulnerability scanners can probe a network or host to identify problems that, if fixed, can prevent an...
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Information Security: The Big Picture – Part VI

Information Security: The Big Picture – Part VI

... programs create a hole in your system that allows an attacker to gain unauthorized access at a later time. Typically, an attacker can’t access a system because he doesn’t have the proper authority ... attractive target for a potential attacker. Just think about it. Instead of an attacker having to follow you around, so to speak, and figure out your ID and password for many systems, all an ... “Personal Data.” This is also often referred to as Personally Identifiable Information (PII). Personal Data is any information that relates to an identified person, or that can easily lead to...
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Tài liệu Intrusion Detection The Big Picture – Part III docx

Tài liệu Intrusion Detection The Big Picture – Part III docx

... these attacks allows a site to tune defensesThe statistic that 90% of all attacks are perpetrated byinsiders is dead wrong.While insider attacks may cause more damage (because the attacker ... content and context-based attacks. NetRanger Sensor• Real-time NetRanger Sensor alarms include attacker and destination IP addresses, destination port, attack description, and 256 characters ... Detection - The Big Picture - SANS GIAC © 200019“Any” for a source or destination is not always helpful. Onecan list a partial address and give a mask. Example:128.38.0.0 with 16 bits of mask would...
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