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If you don't take steps to secure your wireless network, anyone within range of your router can easily connect to your network. With the latest high performance equipment, your Wi-Fi signal could reach clear down the block. In fact, a hacker could intercept your Wi-Fi signal as far as ten miles away, using a Wi-Fi antenna created with a Pringles can.

You can have a network setup step by step and then observe how that network functions via a simulator. It is also possible to set up a network from scratch.

How to Stay Safe on Public Wi-Fi Networks

Visual Trace Route

High-frequency trading networks, which complete stock market transactions in microseconds, are vulnerable to manipulation by hackers who can inject tiny amounts of latency into them. By doing so, they can subtly change the course of trading and pocket profits of millions of dollars in just a few seconds

In April 2007, the Baltic republic of Estonia became the first country in the world to experience cyberwar. Government, financial and media computer networks were paralyzed by a series of attacks, which authorities ultimately concluded originated in Russia. In the years since that cyberassault, Estonia has distinguished itself once again: Now it is a model for how a country might defend itself during a cyberwar. The responsibility would fall to a force of programmers, computer scientists and software engineers who make up a Cyber Defense League, a volunteer organization that in wartime would function under a unified military command.

Evolution of the PC Since the personal computer debuted in 1971, a Darwin-esque evolution process has lifted the PC from modest beginnings to its current role as an indispensable part of life in the 21st century. Jon Brodkin, Network World

The online behavior of a small but growing number of computer users in the United States is monitored by their Internet service providers, who have access to every click and keystroke that comes down the line

A History of the Internet, 8min and 10 sec video

FOUR hospitals in north-western Victoria are about to use "virtual doctors" to help treat emergency and critical-care patients.

Moodle based courses for download on various subjects including IT. Networking, databases, computer concepts, programming, ....

Who is hosting a domain?

Microsoft, along with McDonald's, Mazda and CBS have been named in a class action suit filed in Federal Court for working in concert with behavioral advertising specialist Interclick. The companies allegedly used their ads as a "cover for data-mining, to identify the websites people visit, invading people's privacy, misappropriating their personal information and interfering with the operations of their computers."

It's simple: instead of radio waves or cables, these ceiling lights are transmitting information via flickering binary code (basically) at a special photosensitive modem.

Cisco warns of the "seven deadly weaknesses" exploited by social engineers: Sex Appeal Greed Vanity Trust Sloth Compassion Urgency