Twitter is the most rapidly adopted communication tool in history, going from zero to ten million users in just over two years. On Twitter, word can spread faster than wildfire. Companies no longer have the option of ignoring the conversation.

Unlike other hot social media spaces, Twitterville is dominated by professionals,...

R is a high-level language and an environment for data analysis and graphics. The design of R was heavily influenced by two existing languages: Becker, Chambers and Wilks’ S and Sussman’s Scheme. The resulting language is very similar in appearance to S, but the underlying implementation and semantics are derived from Scheme. This...

An important point...

The 2010 Asian Conference on Computer Vision took place in the southern hemisphere, in “The Land of the Long White Cloud” in Maori language, also known as New Zealand, in the beautiful town of Queenstown. If we try to segment the world we realize that New Zealand does not belong officially to any continent. Similarly, in computer...

Over the years as power costs have soared and data center space has become scarce and expensive to acquire, enterprises and small businesses have been looking for ways to decrease their data center footprints as well as reduce the overall costs of operating an IT infrastructure. As the number of different applications being deployed in...

Penetration testing is often considered an art as much as it is a science, but even an artist needs the right brushes to do the job well. Many commercial and open source tools exist for performing penetration testing, but it’s often hard to ensure that you know what tools are available and which ones to use for a certain task....

I am not an expert. I have never claimed to be an expert at anything (at least not seriously done so), least of all an expert in forensic analysis. I am not an expert in Windows Registry analysis. I am simply, by profession, a responder and analyst with some work and research experience in this area. I have also performed a number...

Don’t feel bad—I’ve given you an impossible exercise, but I promise the book will be filled with practical instead of ridiculous exercises from here on out. That’s because we’re going to...

Be careful what you ask for. It’s been a struggle, but at last I’ve got it out of my system, and...

A gadget freak I am not—let’s be clear about that from the outset—but in the past couple of weeks our postman (a.k.a. the mailman) has arrived not once, but twice, with a package containing one of the most ingeniously compact bundles of consumer technology that exists today. The first was a long-overdue necessity: a...