Network and System Security by John R. Vacca

By John R. Vacca

Network and method safety offers centred assurance of community and method safeguard applied sciences. Explores functional recommendations to quite a lot of community and structures defense matters. Chapters are authored by way of prime specialists within the box and handle the quick and long-term demanding situations within the authors' respective components of craftsmanship. assurance comprises development a safe association; cryptography; approach intrusion; UNIX and Linux defense; web protection, intranet safety; LAN defense; instant community protection; mobile community safety, RFID safety, and extra.

* Chapters contributed by way of leaders within the box overlaying foundational and sensible facets of method and community defense, offering a brand new point of technical services now not discovered elsewhere.

* finished and up-to-date insurance of the topic quarter permits the reader to place present applied sciences to work

* provides equipment of study and challenge fixing thoughts, bettering the reader's take hold of of the fabric and skill to enforce sensible solutions

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All rights of reproduction in any form reserved. 1 2 Chapter 1 Security Is Inconvenient Security, by its very nature, is inconvenient, and the more robust the security mechanisms, the more inconvenient the process becomes. Employees in an organization have a job to do; they want to get to work right away. Most security mechanisms, from passwords to multifactor authentication, are seen as roadblocks to productivity. One of the current trends in security is to add whole disk encryption to laptop computers.

As of this writing, the National Vulnerability Database sponsored by the National Institute of Standards and Technology (NIST) lists 33,428 common vulnerabilities and exposures and publishes 18 new vulnerabilities per day [12]. In addition, the media is filled with stories of stolen laptops, credit-card numbers, and identities. The volume of threats to a network can be mind numbing. ” Probable threats are those that are most likely to have an impact on your business and the ones most likely to get the attention of management.

In recent years, cellular networks have become open public networks to which end subscribers have direct access. This has greatly increased the threats to the cellular network. Though cellular networks have vastly advanced in their performance abilities, the security of these networks still remains highly outdated. As a result, they are one of the most insecure networks today—so much so that using simple off-the-shelf equipment, any adversary can cause major network outages affecting millions of subscribers.

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