information computer and network security
Tài liệu COMPUTER AND NETWORK SECURITY IN HIGHER EDUCATION doc
Ngày tải lên :
14/02/2014, 16:20
... (Fraser, 1997) Network Security Network security architecture is the planning and design of the campus network to reduce security risks in accordance with the institution’s risk analysis and security ... plan These common elements include network security, computer (or “host”) security, middleware and directory services, and applicationbased security An IT security architecture should be integrated ... with our IT plan and at the same time enhance security 73 74 COMPUTER AND NETWORK SECURITY IN HIGHER EDUCATION The remainder of this chapter discusses each element of an IT security architecture...
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Computer and Network Security: Questions Everyone Should Ask docx
Ngày tải lên :
05/03/2014, 23:20
... Computer and Network Security: Questions Everyone Should Ask Computer and Network Security: Questions Everyone Should Ask A guide for discussion among business administrators and their information ... practices in computer security and data confidentiality Security experts advise that computer security is an ongoing process, not a single safeguard or product Rather, computer security is achieved ... detection software on our servers and on end user computers? Page Computer and Network Security: Questions Everyone Should Ask • How are servers and end-user computers given new antivirus definitions?...
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CIS 551 / TCOM 401 Computer and Network Security doc
Ngày tải lên :
14/03/2014, 20:20
... – Information may be important only to one person (e.g private e-mail or passwords) – Information may be important because it is accurate and reliable (e.g bank’s accounting information) – A computer ... room containing the computer – Physical aspects of security • Controlling who is allowed to make changes to a computer system (both its hardware and software) – Social aspects of security 1/9/07 ... and web pages – Lecture slides will be available on the course web pages – Student scribes: Designated note takers 1/9/07 CIS/TCOM 551 Prerequisites • Would like to learn about computer and network...
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CIS 551 / TCOM 401 Computer and Network Security pptx
Ngày tải lên :
22/03/2014, 15:21
... information leak to unclassified files • Group individuals and resources – Use some form of hierarchy to organize policy • Trivial example: Public ≤ Secret • Information flow – Regulate how information ... generated from both Public and Secret information must be rated Secret – Intuition: "Secret" information should not flow to "Public" locations 2/6/06 CIS/TCOM 551 Military security policy • Sensitivity ... CIS/TCOM 551 Multilevel Security Policies • In general, security levels form a "join semi-lattice" – There is an ordering ≤ on security levels – For any pair of labels L1 and L2 there is an "join"...
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Computer and Network Security: MIT 6.857 Class Notes pptx
Ngày tải lên :
28/03/2014, 22:20
... and b have at most k bits; see Bach and Shallit Copyright c 2002 Ronald L Rivest All rights reserved May be freely reproduced for educational or personal use MIT 6.857 Computer and Network Security ... 60 1000 2500 93000 MIT 6.857 Computer and Network Security Class Notes File: http://theory.lcs.mit.edu/˜rivest/notes/divisors.pdf Revision: December 2, 2002 Divisors and Divisibility Definition ... MIT 6.857 Computer and Network Security Class Notes File: http://theory.lcs.mit.edu/˜rivest/notes/ntintro.pdf Revision:...
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IT Security and Academic Values : Computer and Network Security in Higher Education potx
Ngày tải lên :
28/03/2014, 22:20
... point for campus discussions about computer and network security 01chap.qxd 8/31/03 10:02 AM Page COMPUTER AND NETWORK SECURITY IN HIGHER EDUCATION Unique Culture and Environment Critical aspects ... 01chap.qxd 8/31/03 10:02 AM Page COMPUTER AND NETWORK SECURITY IN HIGHER EDUCATION It is clear that computer and network security is now essential to protecting privacy and other academic values It ... and universities as they decide how to improve the security of computers and networks.2 Six principles were identified that may have implications on security policies and procedures Civility and...
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Cryptography and network security principles and practice, 5th edition
Ngày tải lên :
07/12/2013, 11:53
... layer and computer networks, security, and network management ISBN 0-13141098-9 AND DATA COMMUNICATIONS TECHNOLOGY NETWORK SECURITY ESSENTIALS, FOURTH EDITION A tutorial and survey on network security ... algorithms and security protocols to provide security over networks and the Internet Topics covered include transport-level security, wireless network security, e-mail security, and IP security ... network security 1.1 COMPUTER SECURITY CONCEPTS A Definition of Computer Security The NIST Computer Security Handbook [NIST95] defines the term computer security as follows: COMPUTER SECURITY The protection...
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Tài liệu Computer and Network Essential ppt
Ngày tải lên :
23/12/2013, 04:18
... COM, Network Interface, Modem, Router ADSL Main Board (Mother Board) – – – Vai trò MB : liên kết – phối hợp tất thành phần Các hãng sản xuất : Intel, GigaByte, ASUS, Các thành phần MB 9 Computer ... Monitor, printer, Input Devices : Keyboard, Mouse, Multi-Media (CD-ROM, Sound,…) Communication (Network, I/O Port, ) Mối quan hệ khối II THÀNH PHẦN VẬT LÝ CPU - Central Processing Unit Giới thiệu ... I CẤU TRÚC LOGIC – HOẠT ĐỘNG Các khối chức Computer • • • • • Bộ nhớ (Memory) Bộ lưu trữ liệu (Storage Devices) Hệ thống truyền dẫn tín hiệu...
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Tài liệu Cryptography and Network Security Principles and Practices, Fourth Edition ppt
Ngày tải lên :
18/02/2014, 08:20
... cryptography and network security IETF Security Area: Material related to Internet security standardization efforts Computer and Network Security Reference Index: A good index to vendor and commercial ... between terminal user and computer and between computer and computer Network security measures are needed to protect data during their transmission In fact, the term network security is somewhat ... implemented and are in use today / 526 Cryptography and Network Security Principles and Practices, Fourth Edition • Table of Contents • Index Cryptography and Network Security Principles and Practices,...
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Procedure 1610 PR.01 Systems and Network Security potx
Ngày tải lên :
05/03/2014, 23:20
... Systems and Network Security Know your IT support providers and their role in information security All faculty, staff, and students on campus have access to IT support staff Know who they are and ... staff (Help Desks and Technicians) are trained in routine information security support and Yale’s IT web sites have comprehensive information on security Yale has assigned IT Security Officials ... PR.01 - Systems and Network Security 15 Implement additional security requirements for portable or handheld, and wireless devices Wireless devices (including laptops, smartphones and PDA’s) must...
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Cryptography and Network Security docx
Ngày tải lên :
05/03/2014, 23:20
... Fundamentals of Wired and Wireless Networks, Kameswari Chebrolu and Bhaskaran Raman, 0913 May 2005 Security Guarantees ● Two possibilities: – – ● Unconditional Computational security Unconditional security: ... systems have computational security – How much security to have? – Depends on cost-benefit analysis for attacker Fundamentals of Wired and Wireless Networks, Kameswari Chebrolu and Bhaskaran Raman, 0913 May 2005 ... Fundamentals of Wired and Wireless Networks, Kameswari Chebrolu and Bhaskaran Raman, 0913 May 2005 Cryptographic Authentication Eavesdropper Sender P C' Encryption C = SK(P) ● Network Key: K Decryption...
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Cryptography and Network Security Chapter 1 doc
Ngày tải lên :
06/03/2014, 16:20
... Aspects of Security consider aspects of information security: security attack security mechanism security service Security Attack any action that compromises the security of information ... pervasive security mechanisms: trusted functionality, security labels, event detection, security audit trails, security recovery Model for Network Security Model for Network Security using ... enabling the principals to use the transformation and secret information for a security service Model for Network Access Security Model for Network Access Security using this model requires us to:...
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Cryptography and Network Security Chapter 2 pdf
Ngày tải lên :
06/03/2014, 16:20
... plaintext select ciphertext and obtain plaintext chosen text select plaintext or ciphertext to en/decrypt More Definitions unconditional security no matter how much computer power or time ... count relative letter frequencies (see text) guess P & Z are e and t guess ZW is th and hence ZWP is the proceeding with trial and error finally get: it was disclosed yesterday that several informal ... each letter is replaced by the letter in the same row and in the column of the other letter of the pair Security of Playfair Cipher security much improved over monoalphabetic since have...
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Cryptography and Network Security Chapter 6 pptx
Ngày tải lên :
06/03/2014, 16:20
... stage and have “meet-in-the-middle” attack works whenever use a cipher twice since X = EK1(P) = DK2(C) attack by encrypting P with all keys and store then decrypt C with keys and match ... familiar with all the forms of secret writings, and am myself the author of a trifling monograph upon the subject, in which I analyze one hundred and sixty separate ciphers," said Holmes —The Adventure ... sequence C = EK1(DK2(EK1(P))) nb encrypt & decrypt equivalent in security if K1=K2 then can work with single DES standardized in ANSI X9.17 & ISO8732 no current known practical attacks...
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Cryptography and Network Security Chapter 7 pptx
Ngày tải lên :
06/03/2014, 16:20
... algorithmic techniques to create “random numbers” although are not truly random can pass many tests of “randomness” known as “pseudorandom numbers” created by “Pseudorandom Number Generators (PRNGs)” ... for cipher use, good for key generation Natural Random Noise best source is natural randomness in real world find a regular but random event and monitor generally need special h/w to this ... compensate for this when sample and use best to only use a few noisiest bits from each sample Published Sources a few published collections of random numbers Rand Co, in 1955, published million...
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Cryptography and Network Security Chapter 8 doc
Ngày tải lên :
06/03/2014, 16:20
... factors of are 1,2,4,8 and of 15 are 1,3,5,15 and is the only common factor conversely can determine the greatest common divisor by comparing their prime factorizations and using least powers ... Fermat's Theorem ap-1 = (mod p) where p is prime and gcd(a,p)=1 also known as Fermat’s Little Theorem also ap = p (mod p) useful in public key and primality testing Euler Totient Function ø(n) ... lemmas—" —The Mathematical Magpie, Clifton Fadiman Prime Numbers prime numbers only have divisors of and self they cannot be written as a product of other numbers note: is prime, but is generally...
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Cryptography and Network Security Chapter 9 doc
Ngày tải lên :
06/03/2014, 16:20
... Public Key Cryptography and RSA Every Egyptian received two names, which were known respectively as the true name and the good name, or the great name and the little name; and while the good or ... which may be known by anybody, and can be used to encrypt messages, and verify signatures a private-key, known only to the recipient, used to decrypt messages, and sign (create) signatures is ... primes at random - p, q select either e or d and compute the other primes p,q must not be easily derived from modulus n=p.q means must be sufficiently large typically guess and use probabilistic...
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Cryptography and Network Security potx
Ngày tải lên :
14/03/2014, 20:20
... CS595-Cryptography and Network Security Information Transferring CS595-Cryptography and Network Security Attack: Interruption CS595-Cryptography and Network Security Attack: Interception CS595-Cryptography and ... CS595-Cryptography and Network Security Attack: Modification CS595-Cryptography and Network Security Attack: Fabrication CS595-Cryptography and Network Security Attacks, Services and Mechanisms ! Security ... CS595-Cryptography and Network Security Network Security Model Trusted Third Party principal principal Security transformation Security transformation opponent CS595-Cryptography and Network Security Cryptography...
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The CERT® Guide to System and Network Security Practices pdf
Ngày tải lên :
14/03/2014, 22:20
... GUIDE TO SYSTEM AND NETWORK SECURITY PRACTICES Tech tips contain information on a number of Internet security issues and guidance on specific topics to secure and protect UNIX and Windows NT systems ... range of information, system, and network security topics: AUSCERT (Australian Computer Emergency Response Team) at http://www.auscert.org.au Bugtraq and Security Focus at http://www.securityfocus.com ... organization manages and protects its information and computing resources to achieve security objectives Security policies and procedures that are documented, well known, and visibly enforced...
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