'W x y z' presentation slideshows

Why Computer Security

Why Computer Security. The past decade has seen an explosion in the concern for the security of information Malicious codes (viruses, worms, etc.) caused over $28 billion in economic losses in 2003 and $67 billion in 2006! Security specialists markets are expanding !

1.35k views • 105 slides

Why Computer Security

Why Computer Security. The past decade has seen an explosion in the concern for the security of information Malicious codes (viruses, worms, etc.) caused over $28 billion in economic losses in 2003 Security specialists markets are expanding !

1.27k views • 105 slides

Announcement

Announcement. T-lab accounts should have been set up Assignment upload webpage up Homework 1 released, due in two weeks. Review. What is security: history and definition Security policy, mechanisms and services Security models. Outline. Overview of Cryptography

1.14k views • 78 slides

Christmas Carol Whatzit!

Christmas Carol Whatzit!. By Linda Barnhart barnhlin@wcboe.k12.md.us. The back story.

1.42k views • 73 slides

Informative Assessment

753 views • 55 slides

Analysis of Algorithms CS 477/677

596 views • 43 slides

Raising standards in writing

Raising standards in writing. Appleton Wiske Primary School Parent/Carer Information Evening Oct 09. Improving writing. Offering the children strategies that really work. How can we encourage children to write when they have yet to talk about it?

1.1k views • 40 slides

Ancient Civilizations

Ancient Civilizations. After the Neolithic Revolution, humans started raising vegetables and animals as food sources. This new settled life allowed people to live much longer, and to have more children. Obviously, populations increased dramatically, and villages formed.

609 views • 40 slides

Circumventing Security

Circumventing Security. Lecture 14 November 15, 2000. Some Terms. Spoofing - an active security attack where one machine masquerades as another. Sniffing - use of the network interface to receive data not intended for the host machine in which the interface resides.

446 views • 33 slides

3-Way Partitioning

3-Way Partitioning. 3-way partitioning. Choose partitioning element. Scan from left ? element. Scan from right for ? element. Exchange. Move to left or right end if equal. Repeat until pointers cross. A. B. X. W. P. P. V. P. D. P. C. Y. Z. P. p. q. partition element.

617 views • 30 slides

Information Security CS 526 Topic 2

Information Security CS 526 Topic 2. Cryptography: Terminology & Classic Ciphers. Readings for This Lecture. Required readings: Cryptography on Wikipedia Interesting reading The Code Book by Simon Singh. Goals of Cryptography.

331 views • 22 slides

401 views • 22 slides

Chapter 7

634 views • 21 slides

Symmetry

1.46k views • 18 slides

Validation Algorithms for a Secure Internet Routing PKI

Validation Algorithms for a Secure Internet Routing PKI. David Montana Mark Reynolds BBN Technologies. Outline. The Resource PKI (RPKI) Challenges in the RPKI Relying Party Software Design Status & Future Work. The Resource PKI: Motivation.

326 views • 18 slides

A SMALL TRUTH TO MAKE LIFE 100%

256 views • 13 slides

A SMALL TRUTH TO MAKE LIFE 100%

397 views • 10 slides

A: Rising house construction

A: Rising house construction. J: Rising air traffic. D: Rising homelessness. N. Rising car sales. B: The number of job vacancies rises. E: Rising demand for steel. F: More people use pawnbrokers. G: Rising quantity of mail. I: Home delivered pizza becomes more popular.

213 views • 4 slides

Some Simple Cryptograms

Some Simple Cryptograms. Cipher: YHPARGOTPYRC OT EMOCLEW Plain: -----------------------. Cipher: EHT YPS WSI RAE GNI LBA CEU TAO Plain: --- --- --- --- --- --- --- ---. Cipher: ICCRAANCTKBEEDLTIHEIVSECYOODUE Plain: ------------------------------.

176 views • 4 slides

A B C Brainstorm

A B C Brainstorm. Before reading, activate your prior knowledge. Think of everything you know about the topic. Try to think of one thing for each letter of the alphabet!. A B C D E F G H I J K L M. N O P Q R S T U V W X Y Z. How did you do?.

278 views • 3 slides