Elements of Computer Security (Undergraduate Topics in by David Salomon

By David Salomon

As our society grows ever extra reliant on pcs, so it additionally turns into extra prone to computing device crime. Cyber assaults were plaguing laptop clients because the Nineteen Eighties, and computing device safeguard specialists are predicting that shrewdpermanent phones and different cellular units also will turn into the objectives of cyber safeguard threats within the future.

Developed from the author's hugely winning Springer textual content, Foundations of desktop protection, this obtainable, broad-ranging, and flexible textbook has been absolutely up-to-date and better with assets for college students, teachers, or even these stimulated to self-study in this topic.

Topics and features:
* Examines the actual defense of machine undefined, networks, and electronic data
* Introduces the various types of rogue software program (or malware), discusses equipment for fighting and protecting opposed to them, and punctiliously describes a variety of viruses, worms and Trojans in detail
* presents quite a few workouts and examples during the textual content, as well as a word list of phrases utilized in the book
* Investigates the real threats to community defense, and explores the well timed topics of authentication, spy ware, and identification theft
* Discusses key concerns approximately privateness and belief within the on-line global, together with children's privateness and safety
* contains precious appendices which debate the definition, which means, and historical past of the time period "hacker"; introduce the language of "l33t Speak;" and supply an in depth virus timeline
* offers extra assets on the linked web site: http://www.DavidSalomon.name/, together with an creation to cryptography, and solutions to the exercises

Clearly and engagingly written, this concise textbook is a perfect source for undergraduate sessions on desktop safeguard, in addition to a high-quality reference for an individual wanting to extend their safety wisdom. The ebook is generally non-mathematical, and is acceptable for somebody accustomed to the elemental thoughts of pcs and computations.

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Extra info for Elements of Computer Security (Undergraduate Topics in Computer Science)

Example text

Yet, inside the container there are several parts (a cavity for the CPU chip, the chip itself, wires, and printed connections) and they vibrate, thereby generating sound. This type of acoustic emanation can be detected by a sensitive microphone and analyzed, similar to electromagnetic radiation, to provide clues on the state of the CPU. Experiments suggest that each type of CPU operation produces a characteristic sound—a typical acoustic signature. Thus, listening to the sound produced by a CPU that’s busy all day encrypting secret messages may yield the encryption key (or keys) used by the operator; a significant achievement.

This has two advantages (1) the remaining steps encrypt and hide Introduction 13 small files and (2) the next step encrypts a random file, thereby making it di⌅cult to break the encryption simply by checking every key. 2. Encrypt B with a secret key to obtain file C. A would-be codebreaker may attempt to decrypt C by writing a program that loops and tries every key, but here is the di⌅culty. Each time a key is tried, someone (or something) has to check the result. If the result looks meaningful, it may be the decrypted file B, but if the result seems random, the loop should continue.

In fact, we use it more and more. Security workers know that criminals often collect papers thrown away carelessly and scrutinize them for sensitive information such as credit card numbers and passwords to computer accounts. This behavior is part of the general practice of dumpster diving. The solution is to shred sensitive documents, and even not-sosensitive papers. 2 for more on shredding and related topics. Spying. Spyware, an important threat, is the topic of Chapter 9, but spying can also be done in the traditional way, by person.

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