Botnets are a rapidly increasing risk to Internet security. These groups of compromised Windows computers are the tools of the trade for all manners of extortion and spam relay on the Internet, and they are growing in numbers. In this edition of Internet Security Focus, Jonathan Yarden examines this growing threat and discusses what it means for Internet security.

Anonymous Internet usage is an appealing concept to many people, but whether it's actually possible is a different matter. In this edition of Internet Security Focus, Jonathan Yarden discusses whether true anonymity on the Web is really feasible.

Learn to set up the ngIRCd server to provide a layer of security for Internet Relay Chat (IRC).

Policies are vital to have in place in an organization so users know what's expected of them and what they can and can't do. Having proper policies in place can help make sure your network is secure. Here are some important policies you should have if you don't already.

Small businesses today have a variety of Internet connectivity solutions available to them at lower costs than ever before – but having many options can make the decision-making process harder, especially when you have to consider your future needs as well as your present ones.

If you don’t provide a secure alternative, employees will try nearly everything that pops on the market in order to IM, both within and outside your corporate firewall. Give them what they are clamoring for while providing the security and auditability that your organization needs by using Novell’s IM client. Read more about it here:

The Internet is global, but your network might not need to reach every corner of the globe. In this edition of Security Solutions, Mike Mullins explains why you should define the purpose of your network and whom it serves to reduce your network's exposure.

Why I'm choosing to stay in the virtual world, more and more

Microsoft releases service packs for products to address problems and add new features. Service Pack 2 for SharePoint Portal Server recently appeared. Here's what you'l find.

If you're running a small network and sharing folders between Windows XP machines, managing shares can become a hassle. Here's how to manage shared folders a little more efficient.

Ok - there's SharePoint Portal Server and then Windows SharePoint Services. They sound a lot alike, but they're not. Brien Posey sorts out the two and explains the differences.

Video Conferencing TechRepublic has had video conferencing (VC) equipment for many years, but 2005 was the first year my team and I consistently used the systems. This is due in large part to significant advancements in VC technology. It wasn’t too long ago that calls were placed over ISDN lines and could only be made ...

Just when you thought it was safe to play holiday carols over the office network, a new malware threat has surfaced on even more Sony CDs. And virus and worm writers are getting into the spirit of the season as well with the release of a new IM threat. Get the details about these and other threats in this edition of the IT Locksmith.

I love the products that the “BIG FOUR” put out but I am sick and tired of their bundling tactics. If this continues, you will lose market share. If I want a search engine toolbar, I will download and install the toolbar. If I want an instant messenger client, I will download the instant messenger client. I do ...

Have you ever wondered just how much "junk" Internet traffic is costing your company? One of Jonathan Yarden's coworkers recently tasked him with finding out. In this case study, learn how he went about gathering this information, and see how unwanted traffic affects his organization's bottom line.