CIS 551 / TCOM 401 Computer and Network Security doc

... List Hijacking 1/9 /0 7 CIS/ TCOM 551 13CERT Incidents 1/9 /0 7 CIS/ TCOM 551 14CERT Vulnerabilities 1/9 /0 7 CIS/ TCOM 551 15What do we mean by security? • What does it mean for a computer system ... understanding of the tradeoffs involved• Is Internet Explorer secure enough?– Depends on context CIS 551 / TCOM 401 Computer and Network Security Spring 2007Lecture 1 1/9 /0 7 CIS/ TCOM 551 20How ... 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 /0 7 CIS/ TCOM 551...

CIS 551 / TCOM 401 Computer and Network Security pptx

... matching– Doesn't check implicit flows CIS 551 / TCOM 401 Computer and Network Security Spring 2006Lecture 6 2/6 /0 6 CIS/ TCOM 551 20SELinux• Security- enhanced Linux system (NSA)– Enforce ... fp = new FilePermission(“/home/stevez/*”,“write,…”); sm.enablePrivilege(fp); fileWrite("/home/stevez/important.txt", "xxxxxx");} 2/6 /0 6 CIS/ TCOM 551 16Problem with Stack ... 2/6 /0 6 CIS/ TCOM 551 10Picture: ConfidentialitySPublicSecretRead below, write aboveSPublicSecretRead above, write below 2/6 /0 6 CIS/ TCOM 551 11Picture: IntegritySUntaintedTaintedRead...

Tài liệu COMPUTER AND NETWORK SECURITY IN HIGHER EDUCATION doc

... Encrypted Authentication Security Standards.”[www.colorado.edu/its /security/ encauth]. Jan. 2003.“Wireless Security and VPN.” [www.intel.com/ebusiness/pdf/prod/related_mobile/wp0230011.pdf]. Oct. ... [middleware.internet2.edu/webiso]. Mar. 2003. Security Architecture 8788 COMPUTER AND NETWORK SECURITY IN HIGHER EDUCATIONDunn, J. Security Applications for Cisco Netﬂow Data.” [www.sans.org/rr/software/netﬂow.php]. ... Assignments.”[www.iana.org/assignments/port-numbers]. Mar. 2003.Roesch, M. “Snort.” [www.snort.org]. Feb. 2003.“SAFE SQL Slammer Worm Attack Mitigation.” [www.cisco.com/warp/public/cc/so/neso/sqso/worm_wp.htm]....

Computer and Network Security: Questions Everyone Should Ask docx

... . . . .. . . Computer and Network Security: Questions Everyone Should Ask Page 10o Security- related Mailing lists o CERT Coordination Center: http :// www.cert.org/ o Alerts from major ... of IT security strategy as well as specific white papers detailing best practices from IT divisions of major leading universities. http :// www.educause.edu /security/ guide/ o National Security ... staff . . . . . . .. . . Computer and Network Security: Questions Everyone Should Ask Page 2 Computer and Network Security: Questions Everyone Should Ask A guide...

Computer and Network Security: MIT 6.857 Class Notes pptx

... personal use.MIT 6.857 Computer and Network Security Class Notes 1File: http :// theory.lcs.mit.edu/˜rivest/notes/notes.pdf Revision: December 2, 2002 Computer and Network Security MIT 6.857 Class ... www.shoup.net/ntl/. For a survey, seehttps :// www.cosic.esat.kuleuven.ac.be/nessie/call/mplibs.html.Java has excellent support for multiprecision operations in its BigInteger classjava.sun.com/j2se/1.4.1/docs/api/java/math/BigInteger.html; ... or personal use.MIT 6.857 Computer and Network Security Class Notes 4File: http :// theory.lcs.mit.edu/˜rivest/notes/divisors.pdf Revision: December 2, 2002Divisors and DivisibilityDeﬁnition...

IT Security and Academic Values : Computer and Network Security in Higher Education potx

... about computer and network security. IT Security and Academic ValuesDiana Oblinger101chap.qxd 8/3 1/0 3 10:02 AM Page 1 2COMPUTER AND NETWORK SECURITY IN HIGHER EDUCATIONUnique Culture and EnvironmentCritical ... orother factors.IT Security and Academic Values 501chap.qxd 8/3 1/0 3 10:02 AM Page 5 6COMPUTER AND NETWORK SECURITY IN HIGHER EDUCATIONIt is clear that computer and network security is now essentialto ... IT Security and Academic Values Diana Oblinger Computer and Network Security in Higher Education Mark Luker and Rodney Petersen, Editors A Publication of EDUCAUSE 1The networks and computer...

Cryptography and Network Security docx

... Wired and Wireless Networks, Kameswari Chebrolu and Bhaskaran Raman, 09-13 May 2005Cryptography and Network Security Bhaskaran RamanDepartment of CSE, IIT KanpurReference: Whitfield Diffie and ... of Wired and Wireless Networks, Kameswari Chebrolu and Bhaskaran Raman, 09-13 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 attackerFundamentals of Wired and Wireless Networks, Kameswari Chebrolu and Bhaskaran Raman,...

JOURNAL OF INDUSTRIAL TECHNOLOGY: Internet and Network Security docx

... keyconcepts of network security, common network vulnerabilities, network security threats and attacks, security measures and tools, and the develop-ment of a network security policy and proper violation ... plan. Network Security ArchitectureThe Internet is a worldwide collec-tion of networks that is based on openprotocols. Hence the network and Internet security are moving targets. Network security ... is that as network security increases, costincreases, and the overall system/ network performance decreases. Network security consists of authenti-cation, access control, integrity, and confidentiality....

Cryptography and Network Security doc

... testing and pressure to meet product release dates is conducive to buggy code and/ or development code to still be in the code•SMNP, RIP and OSPF are used for remote configuration of network ... simple stateless protocol and is easy to secure–FTP is complex and hard to secure•stateful protocol•uses two ports (20, 21)•extensive command structure•user ids and passwords are often ... exploit•DayTime is as simple as a service can get–A connect is recognized by the server and the server responds and closes the connection; no user input required.–About the only exploit would be...

Cryptography and network security principles and practice, 5th edition

... left-hand side and the decryption process going up the right-hand side for a 16-round algorithm. Forclarity, we use the notation and for data traveling through the encryptionalgorithm and and ... have= 03A6 and .Now let’s look at the decryption.We assume that and ,as shown in Figure 3.3, and we want to demonstrate that and . So, we start with and .Then, from Figure 3.3, and [F(03A6, ... Reading and Web Sites 47815.7 Key Terms, Review Questions, and Problems 479Appendix 15A Kerberos Encryption Techniques 481PART FIVE NETWORK AND INTERNET SECURITY 485Chapter 16 Transport-Level Security...

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