introduction to system and network security ppt

... GUIDE TO SYSTEM AND NETWORK SECURITY PRACTICES 8 THE CERTđ GUIDE TO SYSTEM AND NETWORK SECURITY PRACTICES To Identify and Enable Systems and Network Logging Mechanisms Identify and Install Tools ... considerations, 12 THE CERTđ GUIDE TO SYSTEM AND NETWORK SECURITY PRACTICES 5. Refer to the SAGE (System Administrators Guild) job description for intermediate system administrators, available at http://www.usenix.org/sage/jobs/jobs-descriptions.html#Intermediate. ... insufficient time, knowledge, and skill to address the wide range of demands required to keep today’s complex systems and networks up and running. Additionally, evolving attack methods and emerging software...

Ngày tải lên: 14/03/2014, 22:20

... distinguishing vectors from scalars. Vector addition is motivated by the need to add forces and relative positions, dot products are motivated as the tool which reduces vector equations to scalar equations, and ... Vectors for mechanics Adding and subtracting with components Because a vector can be broken into a sum of orthogonal vectors, because addition is associative, and because each orthogonal vector ... expands statics to include material properties and also pays more attention todistributed forces (traction and stress). This book only occasionally touches lightly on strength of materials topics...

Ngày tải lên: 25/01/2014, 15:20

Ngày tải lên: 24/02/2014, 04:20

... confidentiality and integrity requirements – Mandatory access control incorporated into the major subsystems of the kernel ã Limit tampering and bypassing of application security mechanisms ã Confine damage ... determine who is authorized to access the objects he creates. ã Mandatory: The creator of an object does not necessarily have the ability to determine who has authorized access to it. – Typically policy ... Example: Bank auditor cannot issue checks. 2/6/06 CIS/TCOM 551 2 Announcements ã Reminder: Project 1 is due TODAY Mail your .tar file to Karl by midnight tonight. ã Some of today's slides...

Ngày tải lên: 22/03/2014, 15:21

Ngày tải lên: 03/07/2014, 06:20

... computer startup and shutdown, and user logon and logoff.  Folder redirection options Allows an administrator to redirect specific users’ folders to the network. Topic Objective To introduce ... Store Active Directory, the Windows 2000 Server directory service, hierarchically stores information about network objects and makes this information available to administrators, users, and ... upgraded systems, and the timing of this. CCM technologies enable IT staff to control how, when, and where software is distributed, in addition to providing inventory, reporting, and monitoring...

Ngày tải lên: 10/12/2013, 15:15

... Comprehensive Guide to Network Security page 31 address changed. If the router were to fail and you had to replace it with a new one, you would also have to go back to Fritz’s system and modify the ... Comprehensive Guide to Network Security page 33 Network Layer The network layer describes how systems on different network segments find each other; it also defines network addresses. A network address ... need to protect?  From what sources am I trying to protect these assets?  Who may wish to compromise my network and to what gain? Active Defense — A Comprehensive Guide to Network Security ...

Ngày tải lên: 11/12/2013, 03:15

Ngày tải lên: 14/12/2013, 12:15

Ngày tải lên: 14/12/2013, 12:15

... 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 ... Scambray and Stuart McClure, published by McGraw- Hill Osborne Media. Key points Additional reading 16 Module 3: Identifying Threats to Network Security Lab A: Identifying Threats to Network Security ... attack prominent targets or create automated tools for others to attack networks.  Advanced. Highly skilled attackers present a serious challenge to network security because their methods of...

Ngày tải lên: 21/12/2013, 19:15

... entional Cryptosystem [View full size image] Cryptography and Network Security Principles and Practices, Fourth Edition 37 / 526 ã Table of Contents ã Index Cryptography and Network Security ... important network security tools and applications, including Kerberos, X.509v3 certificates, PGP, S/MIME, IP Security, SSL/TLS, and SET. Part Four. System Security: Looks at system- level security ... designed to protect data and to thwart hackers is computer security. The second major change that affected security is the introduction of distributed systems and the use of networks and communications...

Ngày tải lên: 18/02/2014, 08:20

... need to stop this service to continue”. Press “Yes” to continue. 9. Press “Complete” to finish the Wizard. Part 3-2: 802.1x TLS Logon Step 1: Get a CA 1. Connect your computer to the network ... 14. Under Dos command type “c:\secedit/refreshpolicy machine_policy” and press Enter. 17. Go to Start > Programs > System Administrative tools > Active Directory Users and Computers 18. ... Ctrl key. Press “OK” to continue. 5. Go to Start> Program> System Administrative Tools> Active Directory Users and Computers. 6. Right Click on your Domain and click “Properties”....

Ngày tải lên: 05/03/2014, 23:20

... blocks of data main use is sending a few blocks of data Cryptography and Cryptography and Network Security Network Security Chapter 6 Chapter 6 Fourth Edition Fourth Edition by William ... for bursty high speed links  random access to encrypted data blocks random access to encrypted data blocks  provable security (good as other modes) provable security (good as other modes)  but ... stream)  have a pseudo random have a pseudo random keystream keystream  combined (XOR) with plaintext bit by bit combined (XOR) with plaintext bit by bit  randomness of randomness of stream...

Ngày tải lên: 06/03/2014, 16:20

... “pseudorandom numbers”  created by “ created by “ Pseudorandom Number Generators Pseudorandom Number Generators (PRNGs)” (PRNGs)” Cryptography and Cryptography and Network Security Network ... of many uses of random numbers random numbers in cryptography in cryptography  nonces in authentication protocols to prevent replay nonces in authentication protocols to prevent replay  session ... Noise Natural Random Noise  best source is natural randomness in real world best source is natural randomness in real world  find a regular but random event and monitor find a regular but random...

Ngày tải lên: 06/03/2014, 16:20

... Routers are computers l Router CPU and Memory l Internetwork Operating System l Router Bootup Process l Router Ports and Interfaces l Routers and the Network Layer 2 Topics l Inside the Router Ÿ Routers ... computers Ÿ Router CPU and Memory Ÿ Internetwork Operating System Ÿ Router Bootup Process Ÿ Router Ports and Interfaces Ÿ Routers and the Network Layer l Path Determination and Switching Function Ÿ ... 29 Ethernet Frame l Layer 2 addresses: Ÿ Interface -to- Interface on the same network. Ÿ Changes as packet is decapsulated and encapsulated from network to network l Layer 3 addresses: Ÿ Original source...

Ngày tải lên: 09/03/2014, 13:20

... public-key encryption to use of public-key encryption to distribute secret keys distribute secret keys Cryptography and Cryptography and Network Security Network Security Chapter 10 Chapter ... properties of directory  and requires users to know public key and requires users to know public key for the directory for the directory  then users interact with directory to then users interact ... load in storing imposes a significant load in storing and processing keys and messages and processing keys and messages  an alternative is to use elliptic curves an alternative is to use elliptic...

Ngày tải lên: 15/03/2014, 17:20

... for IR Systems) project started in 2000 in Japan. DUC and TSC both aim to compile standard training and test collections that can be shared among researchers and to provide common and large ... macro-averaged scores for the humans, two baselines, and 12 systems. We assign a score of 4 to all, 3 to most, 2 to some, 1 to hardly any, and 0 to none. The value assignment is for convenience ... position (Lin and Hovy 1997), stigma words (Edmundson 1969), and a simplified version of MMR (Goldstein et al. 1999) to select and filter content. To improve topic coverage and readability,...

Ngày tải lên: 17/03/2014, 08:20

Ngày tải lên: 22/03/2014, 14:20

Ngày tải lên: 28/03/2014, 20:20