chapter 21  modules the big picture

... course ─ the cost of the instructor’s salary, the classroom facilities, the class materials, and so on Having determined the cost, the school can then decide whether or not to offer the course ... weighing the costs and benefits of 40 Macroeconomics vs Microeconomics   Macroeconomics examines the aggregate behavior of the economy (i.e how the actions of all the individuals and firms in the ... trouble for the future.” Under President George W Bush: The 2004 Economic Report of the President stated “Strong fiscal policy actions by this Administration and the Congress, together with the Federal

Ngày tải lên: 03/11/2022, 22:25

... many of the earnings’ quality issues will disappear LO Compare the accounting for Irregular items and the income statement format under GAAP and IFRS Looking to the Future The FASB and the IASB ... 13-71  The tools of financial statement analysis covered in this chapter are universal and therefore no significant differences exist in the analysis methods used  The basic objectives of the income ... Section 117 of the 1976 United States Copyright Act without the express written permission of the copyright owner is unlawful Request for further information should be addressed to the Permissions

Ngày tải lên: 24/11/2016, 14:37

... many of the earnings’ quality issues will disappear LO Compare the accounting for Irregular items and the income statement format under GAAP and IFRS Looking to the Future The FASB and the IASB ... 13-71  The tools of financial statement analysis covered in this chapter are universal and therefore no significant differences exist in the analysis methods used  The basic objectives of the income ... Section 117 of the 1976 United States Copyright Act without the express written permission of the copyright owner is unlawful Request for further information should be addressed to the Permissions

Ngày tải lên: 01/12/2016, 14:34

... Information Security: The Big Picture - SANS GIAC © 2000 1 Information Security: The Big Picture – Part I Stephen Fried Hello, and welcome to Information Security: The Big Picture. My name is Stephen ... protect them until they are made public. Devising a system that will protect the secret for the next 50 years will not only be expensive, it may be overkill. 9 Information Security: The Big Picture ... the system itself as well as any activities they may perform while on the system. There must be no undocumented features in the system. One of the more common causes of security problems is the

Ngày tải lên: 18/10/2013, 18:15

... 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 called and, voila!, they were talking The concept ... plan works. Test if the right people are in the right place at the right time, and make sure they have all the resources they need to get the job done. Testing the plan is the only way to ensure ... Information Security: The Big Picture - SANS GIAC © 2000 29 The data packet has two basic parts, the header and the payload The header is the part of the packet that contains

Ngày tải lên: 22/10/2013, 16:15

... - The Big Picture - SANS GIAC © 2000 1 Intrusion Detection The Big Picture Stephen Northcutt S. Northcutt – v1.0 – Jul 2000 Edited by J. Kolde – v1.1 – Aug 2000 2 Intrusion Detection - The Big ... up the rest of the course. [...]... was > $1 Million/day Is there a business case for intrusion detection? Intrusion Detection - The Big Picture - SANS GIAC © 2000 26 One of the ... Detection - The Big Picture - SANS GIAC © 2000 30 There are risk theories we will cover in this course that allow the calculation of... costly • There has to be a balance between the cost of

Ngày tải lên: 17/01/2014, 08:20

... Detection - The Big Picture - SANS GIAC © 2000, 2001 1 Intrusion Detection The Big Picture – Part II Stephen Northcutt This page intentionally left blank. 2 Intrusion Detection - The Big Picture ... do the various components do? • Many IDS web sites never state what the infernal things do! – How do we implement them? • Where do the components fit in the “big picture”? To summarize the ... The Big Picture - SANS GIAC © 2000, 2001 15 Promiscuous mode allows the network interface adapter to collect all the packets, not just the ones... throughout the organization, the

Ngày tải lên: 17/01/2014, 08:20

... they own you • Worth the time to give connection attempts to these systems an extra look Intrusion Detection - The Big Picture - SANS GIAC © 2000 11 The “goodhost” filters in the ... the detect is displayed at the top. Then summary information about the packet. The trace begins with the content of the detect. RPC attacks like this are part of the Top Ten list (www.sans.org/topten.htm). ... Detection - The Big Picture - SANS GIAC © 2000 27 The sensor outside the firewall is positioned to detect attacks that originate from the Internet DNS, email and web servers are the target

Ngày tải lên: 17/01/2014, 08:20

... Detection - The Big Picture – SANS GIAC ©2000 11 The telnetd and the web demon are “real” They are compiled C code They simply simulate the services This... anything about the attack, ... action. In the notes pages of the next slide, take a minute to look over the logs. This is nice high fidelity information about what the attackers are attempting. 7 Intrusion Detection - The Big Picture ... or the SYN flag is set. The system responds with “login”. If the answer is either guest or root, the system moves to State 1. In State 1 it offers “Password” and if the password matches the

Ngày tải lên: 17/01/2014, 08:20

... Detection - The Big Picture – SANS GIAC ©2000, 2001 Intrusion Detection The Big Picture – Part V Stephen Northcutt This page intentionally left blank. 2 Intrusion Detection - The Big Picture – ... research. Pull the color ads in your area for the consumer electronic stores such as Circuit City and the like. Check out the computers. What do they all have? 8 Intrusion Detection - The Big Picture ... Detection - The Big Picture – SANS GIAC ©2000, 2001 16 In the previous example, it isn’t that you were wrong when you went to management and told them they were vulnerable The problem

Ngày tải lên: 17/01/2014, 08:20

... to it, then sends it to the next layer down the stack Once the packet reaches the bottom of the stack, it travels along the network wire to the remote host, then travels up the stack on the remote ... floor The third floor prepares the various courses by making the soup, tossing the salad, cooking the beef, and baking the pie Once all this is done they hand the food off to the fourth floor The ... gives the “Hello There” to the Application Layer of the protocol stack The Application Layer creates an empty packet and places the “Hello There” inside of it The Application Layer then sends the...

Ngày tải lên: 22/10/2013, 16:15

... REVISING: THE BIG PICTURE Support That’s Directly Related to the Thesis As important as the amount of support is its relevance to the thesis What good are ten supporting paragraphs if they’re ... to the assignment 108 – REVISING: THE BIG PICTURE Rewording Your Thesis If your thesis isn’t clear, or is not easily identifiable, you probably have one of these common problems: ■ ■ ■ No thesis ... REVISING: THE BIG PICTURE If you think professional writers work alone, think again They know how important it is to get feedback before they send their work to the publisher—it’s not uncommon for them...

Ngày tải lên: 25/10/2013, 17:20

... 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 have is the spoofed ... 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 ... of the DMZ is a firewall that protects the DMZ from the Internet On the other side of the DMZ is a firewall that protects the internal network from the DMZ (Editor’s note: in some cases, the...

Ngày tải lên: 26/10/2013, 23:15

... 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 ... up, they don’t know who the publisher is, and no reason to think the control has any malicious intent They just know they want to see the dancing pigs! And they want to see them so much that they ... Generally, the strongest algorithm that the two programs support will be selected The client and the server will then exchange encryption keys These are the codes that will enable the two to...

Ngày tải lên: 26/10/2013, 23:15

... Is there a business case for intrusion detection? Intrusion Detection - The Big Picture - SANS GIAC © 2000 26 One of the threads we want to stay aware of during the course is whether or not the ... • There has to be a balance between the cost of improving protection and the value of what you are defending Intrusion Detection - The Big Picture - SANS GIAC © 2000 34 The threats are real The ... Intrusion Detection - The Big Picture - SANS GIAC © 2000 15 Having guessed the next sequence number, and assuming A has sent the SYN/ACK back to B, the attacker completes the connection establishment...

Ngày tải lên: 04/11/2013, 12:15

... 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 and the processing ... As they are discovered, the anti-virus vendors develop methods for detecting and removing them They then put these new methods into updates to their software and distribute them to users of their ... prove the user belongs in the club No matter what form the authentication takes, they all serve to prove the identity of the person Once you know who someone is, and you have reasonably proven they...

Ngày tải lên: 04/11/2013, 12:15

... Intrusion Detection - The Big Picture - SANS GIAC © 2000 22 22 Deception Can Drive the Picture S S CIRT Meta CIRT S S CIRT S Intrusion Detection - The Big Picture - SANS GIAC © 2000 23 The point of this ... - The Big Picture - SANS GIAC © 2000 15 You can get the full system as a time-limited evaluation version, and then simply upgrade the licence key to get the commercial version RealSecure’s biggest ... at the top Then summary information about the packet The trace begins with the content of the detect RPC attacks like this are part of the Top Ten list (www.sans.org/topten.htm) Notice all the...

Ngày tải lên: 09/12/2013, 17:15

... 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 ... up, they don’t know who the publisher is, and no reason to think the control has any malicious intent They just know they want to see the dancing pigs! And they want to see them so much that they ... Generally, the strongest algorithm that the two programs support will be selected The client and the server will then exchange encryption keys These are the codes that will enable the two to...

Ngày tải lên: 09/12/2013, 17:15

... 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 have is the spoofed ... 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 ... of the DMZ is a firewall that protects the DMZ from the Internet On the other side of the DMZ is a firewall that protects the internal network from the DMZ (Editor’s note: in some cases, the...

Ngày tải lên: 10/12/2013, 14:16

... 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 ... up, they don’t know who the publisher is, and no reason to think the control has any malicious intent They just know they want to see the dancing pigs! And they want to see them so much that they ... Generally, the strongest algorithm that the two programs support will be selected The client and the server will then exchange encryption keys These are the codes that will enable the two to...

Ngày tải lên: 10/12/2013, 14:16