big picture versus little picture

... you are dealing with Information Security: The Big Picture - SANS GIAC © 2000 27 One of the most common methods of gaining access to information has little to with computers, networks, or technology ... Identification and Access Control Programmatic Security Conclusion Information Security: The Big Picture - SANS GIAC © 2000 Our first topic is a General Security Introduction In this section ... of safety *The American Heritage Dictionary of the English Language Information Security: The Big Picture - SANS GIAC © 2000 I suppose the best way to start talking about information security...

Ngày tải lên: 18/10/2013, 18:15

... applications change, roles can be re-assigned accordingly Information Security: The Big Picture - SANS GIAC © 2000 10 One of the big advantages of role-based security is that by assigning someone to a particular ... From Here to There LAN LAN WAN LAN LAN Information Security: The Big Picture - SANS GIAC © 2000 20 Because networks can be such big places, with hundreds, thousands, or even millions of computers, ... everyone else does that is prudent and common to protect your interests Information Security: The Big Picture - SANS GIAC © 2000 In many aspects of security, you will meet up with the concept of due...

Ngày tải lên: 22/10/2013, 16:15

... packets between end points • The fundamental protocol of the Internet Information Security: The Big Picture - SANS GIAC © 2000 The Internet Protocol (IP) is the protocol by which information is ... communications • Ensures reliable packet delivery • Overhead can be “expensive” Information Security: The Big Picture - SANS GIAC © 2000 The Transmission Control Protocol, or TCP, is called a connection-oriented ... (500), ACK (101) ACK (501) FIN (130) ACK (131) FIN (570) ACK (571) Information Security: The Big Picture - SANS GIAC © 2000 This slide shows a sample TCP session, illustrating how it opens and...

Ngày tải lên: 22/10/2013, 16:15

... – REVISING: THE BIG PICTURE If you think professional writers work alone, think again They know how important it ... reworking until your essay clearly and completely responds to the assignment 108 – REVISING: THE BIG PICTURE Rewording Your Thesis If your thesis isn’t clear, or is not easily identifiable, you probably ... even better; beyond critical mass, they’re a good solid amount of evidence 109 – REVISING: THE BIG PICTURE Support That’s Directly Related to the Thesis As important as the amount of support is...

Ngày tải lên: 25/10/2013, 17:20

... Information Security: The Big Picture - SANS GIAC © 2000 We have seen that firewalls can be used to protect internal organizational resources form the perils of the Big Bad Internet But firewalls ... Types – Application Gateways – Packet Filters – Stateful Inspectors Information Security: The Big Picture - SANS GIAC © 2000 You hear a lot of talk about firewalls in relation to network security ... Identification and Access Control Programmatic Security Conclusion Information Security: The Big Picture - SANS GIAC © 2000 Next up is Network Security This section will take our discussion of...

Ngày tải lên: 26/10/2013, 23:15

... room or disabling your pagers and phones Questions are fine anytime Intrusion Detection - The Big Picture - SANS GIAC © 2000 In this course we’ll be covering the following types of security tools ... knowledge-based risk assessment forms for WinNT, Unix, Win95, Mac 8.X, etc Intrusion Detection - The Big Picture - SANS GIAC © 2000 The SANS website is home to GIAC, the Global Incident Analysis Center, ... www.snort.org (Win32 version at www.datanerds.net/~mike/snort.html) Intrusion Detection - The Big Picture - SANS GIAC © 2000 SHADOW and CIDER are free intrusion detection system projects The Coast...

Ngày tải lên: 04/11/2013, 12:15

... Grant access to only those who need it • Grant as little access as possible • Grant it only for as long as needed Information Security: The Big Picture - SANS GIAC © 2000 25 When thinking about ... access multiple systems • SSO is a convenience mechanism • May present a bigger problem Information Security: The Big Picture - SANS GIAC © 2000 26 How many of you work with multiple computer ... accepting is still valid Certificate Issues • Multiple CAs • CA Trust Information Security: The Big Picture - SANS GIAC © 2000 Like everything else in the information security world, the use of...

Ngày tải lên: 04/11/2013, 12:15

... Detection - The Big Picture - SANS GIAC © 2000 20 With a bit of practice one translates between 172.20/16 and 255.255.0.0 without even thinking! 20 Intrusion Detection - The Big Picture - SANS ... 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 ... them a false picture of what is happening I leave it as an exercise to the Information Warrior to create a powerful scenario from this “architecture” Intrusion Detection - The Big Picture - SANS...

Ngày tải lên: 09/12/2013, 17:15

... Detection - The Big Picture – SANS GIAC ©2000 18 Before we dive down into the bits and bytes of firewalls, let’s consider their place in information security In terms of the big picture a firewall ... to Tim Aldrich and Lance Spitzner for their research into honeypots! Intrusion Detection - The Big Picture – SANS GIAC ©2000 There are a number of technologies that can be used for a honeypot and ... instrumented services, (or fake a core dump) – TIS Toolkit smap example Intrusion Detection - The Big Picture – SANS GIAC ©2000 So, are there safer alternatives? Network Associates sells a commercial...

Ngày tải lên: 10/12/2013, 14:16

... Intrusion Detection - The Big Picture – SANS GIAC ©2000, 2001 38 This slide indicates a well-known phenomenon: that the reaction to information warfare attacks is often too little, too late In fact, ... present • Report, provide results in a clear, understandable fashion Intrusion Detection - The Big Picture – SANS GIAC ©2000, 2001 The cardinal rule of scanning or vulnerability assessment is to ... modules – Has some capability to determine probable trust relationships Intrusion Detection - The Big Picture – SANS GIAC ©2000, 2001 SARA is a follow-on to SAINT, which was a follow-on to SATAN It...

Ngày tải lên: 10/12/2013, 14:16

... understand? There are a couple things to consider We have been talking about “the big picture Management wants to know the big picture – and rightfully so There is more than just the initial outlay for ... for intrusion detection? – If there is a big picture can we apply what we have learned to our real world environment? Intrusion Detection - The Big Picture – SANS GIAC ©2000, 2001 28 The real ... Through Big Picture IDS • Establish risk acceptance criteria • Safeguard (countermeasure) selection with risk mitigation analysis • Cost benefit analysis • Final report Intrusion Detection - The Big...

Ngày tải lên: 10/12/2013, 14:16

... file As a helpful hint, find the approximate time and if you are looking for a scan, look for the biggest file We hope you have enjoyed your introduction to network intrusion detection We have learned ... for Windows (winpcap-based - the Windows version of libpcap) and Unix It is reliable and has the big advantage of being free A sensor is distinguished by how much on-board policy information it ... ©2001 14 While Snort is a very powerful Network Intrusion Detection System (NIDS), it requires a little effort to configure it properly IDSCenter simplifies this process by providing the type of...

Ngày tải lên: 10/12/2013, 14:16

... DTK prefers to run all the time, which is a shade wasteful of CPU and memory, but not too bad The bigger problems are shown below DTK can be a bear to configure, and nobody on the mailing list has...

Ngày tải lên: 10/12/2013, 14:16

... Management: The Big Picture SANS ©2001 Information Risk Management - - SANS ©2001 Now as you can see, we have disabled trivial enumeration of our system - 17 17 Risk Management: The Big Picture SANS ... case for intrusion detection? – If there is a big picture can we apply what we have learned to our real world environment? Risk Management: The Big Picture SANS ©2001 Information Risk Management ... Through Big Picture IDS • Establish risk acceptance criteria • Safeguard (countermeasure) selection with risk mitigation analysis • Cost benefit analysis • Final report Risk Management: The Big Picture...

Ngày tải lên: 10/12/2013, 14:16