Showing posts with label computer. Show all posts
Showing posts with label computer. Show all posts

Terror on the Internet: The New Arena, the New Challenges Review

Terror on the Internet: The New Arena, the New Challenges
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Terror on the Internet: The New Arena, the New Challenges ReviewWeimann's book is a good antidote to those oft-hysterical screeds on cyberterrorism. These might proclaim that nefarious scoundrels could launch attacks across the Internet, to disable power plants or chemical refineries. While not impossible, the technical obstacles are vast. Such fears are really warmed-over Y2K hysteria, transferred to terrorism after the Y2K bust and the events of September 2001.
Instead, Weimann points to more prosaic uses of the Internet by terrorists. [Sorry to disappoint some potential readers.] These mundanities involve communication between cell members, propaganda and fund raising. The first two are shown to be far easier than in the pre-Web era. Anonymous email accounts and an increasingly deep global reach of cybercafes and other Internet access points give what can be effectively anonymous communication. This reach of the Internet is true in developed countries and in the major cities of developing countries. Terrorists can operate in both, as is already known.
The use of a website to spread a terrorist message, to enemies and supporters, is also amply documented in the book. Far safer and more effective to those groups than having a smarmy member pass out flyers in bad neighbourhoods.
One conclusion is that for purely pragmatic reasons, terrorists have little incentive to attack the Internet itself. It's simply too useful to them.Terror on the Internet: The New Arena, the New Challenges Overview

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Beyond Fear: Thinking Sensibly About Security in an Uncertain World. Review

Beyond Fear: Thinking Sensibly About Security in an Uncertain World.
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Beyond Fear: Thinking Sensibly About Security in an Uncertain World. ReviewI first read about Bruce Schneier in an eye-opening article by Charles Mann in the September, 2002 issue of The Atlantic Monthly. It seems that you don't have to make the false choice everyone is agonizing over between security and liberty. You can have both.
Schneier's book expands on the ideas in the article. Although Schneier is a technology fan and it is his livelihood, he realizes that sometimes a live security guard can provide better security than cutting-edge (but still fallible) face-recognition scanners, for instance. He explains why national ID cards are not a good idea, and how iris-scanners can be fooled.
These are ideas for security on a large scale, for airports, nuclear and other power plants, and government websites. For security on an individual or small business scale, try Art of the Steal by Frank Abagnale. But even if you don't run a government, Beyond Fear is a fascinating read about how your government is making choices (and how they SHOULD be making choices about your security and about your rights.Beyond Fear: Thinking Sensibly About Security in an Uncertain World. Overview

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In The Plex: How Google Thinks, Works, and Shapes Our Lives Review

In The Plex: How Google Thinks, Works, and Shapes Our Lives
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In The Plex: How Google Thinks, Works, and Shapes Our Lives ReviewAmong recent great books describing the business and impact of information technology, In the Plex is one of the best. As impactful as Pulse: The New Science of Harnessing Internet Buzz to Track Threats and Opportunities, and with story-telling as engaging as Idea Man: A Memoir by the Cofounder of Microsoft this book will be on the shortlist of 2011 "must reads" in the business of technology.
One of my favorite writers, Steven Levy of Wired, gained what may be unprecedented access to the employees and upper management of Google in order explore the history, the work environment key management decisions of one of the most innovative and culturally-influential companies of all time. Google manages this with 24,000 employees who see Google as the perfect employer for them. Levy describes Google as a place for the "unspeakably brainy", a kind of "geek never-never land" - just the right kind of environment to maximize innovativeness. Among the perks is the requirement for every engineer to spend a share of their time on personal projects. And as daunting as it sounds, Levy says Co-founder Larry Page actually still signs off on every single hire.
The co-founders Sergey Brin and Page literally started Google from a garage. (The name was a misspelling of the mathematical term for 10 to the 100th power - Googol. But the name stuck.) Their big idea: efficient searches and how to make money at it by selling keywords. Levy then leads us through Google's history of fantastic growth and innovation focusing mainly on big decisions in the firm. Among them the mistakes of handling the special case of China where media access is more controlled than Google would prefer and where management style of the China-based executives were more like a stodgy, old IBM than the free-thinking Google. The company with the motto "Don't be Evil", ultimately decided to leave the China market.
The rapid growth of the firm was itself a major challenge. That many smart people with the freedom and resources to chase many ideas could spread themselves thin. Some of the ideas could be technically possible because of the clever solutions Google staff would develop, but some ideas had other obstacles the engineering-oriented firm didn't anticipate. For example, Google's plan to scan in millions of books and offer them online ran into what should have been entirely foreseeable legal obstacles from authors. But as Levy describes in the first pages of the book, "To Google, it was a boon to civilization." It is this story that frames much of the rest of the book: visionary and cash-rich but somewhat naïve technologists struggle with practical realities of the rest of the world.
Some of the employee perks are drying up as economic hard times have even hit Google. The sheer size of the firm has required some amount of long-avoided bureaucracy and rapid acquisitions of firms the engineers thought were cool has slowed down. As Levy says, even the "Don't Be Evil" motto is now used as ironic humor by Google's detractors. But Google, with a $180+ billion dollar market capitalization is an example of a massive creation of wealth from one of a few areas where US exports lead the world: world-changing innovation.
Levy's telling of the Google story is based on access no other author had and, as a result, it is the best story about Google written to date.In The Plex: How Google Thinks, Works, and Shapes Our Lives Overview

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Computer Networks (5th Edition) Review

Computer Networks (5th Edition)
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Computer Networks (5th Edition) ReviewThe book maintain the classic structure of subjects based on the OSI model (which is good and proven to work for those who learn about networking)...you will notice the author has updated contents in several sections of the book: from entire new paragraphs, going trough the examples to the jokes itself, adapting them to the modern context in which we live.
New interesting topics as RFID and 3g-4g cellular networks are also commented in good detail...I would say not "mile wide, inch deep", but "mile wide, two inches deep"
I do not give them 5 stars because the problems and exercises at the end of each chapter do not have the solution (or at least the correct answer)...why not sharing the information once and for all???...Computer Networks (5th Edition) Overview

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