When Windows 8 comes out later this year, the new Start screen and Metro-style apps will likely be the first changes you'll notice, but those aren't the only things that are new. Microsoft is also making some serious security enhancements to help keep your system safer and to improve Windows' ability to combat viruses and malware. It just may be the biggest improvement to Windows security yet.

A team of security experts cooperating globally say they've disabled a large botnet of about 110,000 remotely controlled infected machines dubbed HLux.B/Kelihos.B by interfering in its peer-to-peer connections in a "poisoning" process to sinkhole them, cutting off the botnet's central control point.

Security and network management solutions provider, Arbor Networks, has extended its distribution agreement with Ingram Micro to include Australia.

Got problems with insider threats? Need help securing your wireless LAN because of employees bringing their own devices on to your network? Know how to protect your Android device?

If malware were biological, the world would be in the grip of the worst pandemic in history. In 2009, more than 25 million unique malware programs were identified, more than all the malware programs ever created in all previous years. No one need wonder what all that malware is trying to do: It's trying to steal money -- through data theft, bank transfers, stolen passwords, or swiped identities.

This vendor-written tech primer has been edited by Network World to eliminate product promotion, but readers should note it will likely favor the submitter's approach.

This vendor-written tech primer has been edited by Network World to eliminate product promotion, but readers should note it will likely favor the submitter's approach.

Have security suites reached the point where they all work?

They're "security myths", oft-repeated and generally accepted notions about IT security that arguably are simply not true - in order words, it's just a myth. We asked security experts, consultants, vendors and enterprise security managers to share their favorite "security myths" with us. Here are 13 of them.

Laptops used to be the only devices on the company's wireless network. But Wi-Fi has become a ubiquitous standard used by a host of devices -- including desktop PCs, laptops, netbooks, tablets, smartphones, printers, storage devices, and projectors.

There are more than a few critics of cloud computing, even at PCWorld; I'm probably one of them. But I've been turning over in my mind different perspectives on the cloud. I've tried to set aside the views of the IT executive, who seems to dominate the debate.

Yet another survey is indicating that security is a big issue for those intending to take up cloud computing.

In recent weeks WikiLeaks has been targeted by denial-of-service (DoS) attacks, had its hosting service shutdown, been bounced off of Amazon hosting, had its funding through PayPal, MasterCard and other sources shut down, and its leader arrested on sexual assault-related charges. The fact that WikiLeaks remains stubbornly and defiantly online holds some lessons for other sites when it comes to resilience and survivability.

The continuing saga of Google's wireless snooping and the maelstrom it's generated won't end anytime soon.

Attackers seeking to do harm or mischief to networks work with an ever expanding arsenal of tools that sometimes seem to be the stuff of spy fiction, but they are all too real.

When you look at the worst corporate security breaches, it's clear that network managers keep making the same mistakes over and over again, and that many of these mistakes are easy to avoid.