The Korean Network Information Centre has denied claims by an Australian security company that it is responsible for thousands of IP addresses that attempt to propagate the Nimda worm.
Security researcher Dan Kaminsky has offered more details about a fundamental flaw in the Domain Name System and the extent of the vulnerability.
The first attacks that are likely to have stemmed from a serious Domain Name System flaw have been reported.
Dismissing privacy concerns, a US judge overseeing a US$1 billion copyright infringement lawsuit against YouTube has ordered the online video sharing service to disclose who watches which video clips and when.
A security researcher has responsibly disclosed a fundamental flaw within the Domain Name System (DNS), the addressing scheme behind the common names used on the Internet.
As VoIP becomes more prevalent, its popularity will undoubtedly attract some unwanted attention -- spammers and phishers looking for their next scheme. Here is a look at some common forms of VoIP abuse, including VoIP spam and caller ID spoofing, and how you can fight back.
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 organisation's bottom line.
Many network administrators new to Linux find it hard to transition from a point-and-click security configuration interface to one based on editing complicated and hard-to-locate text files. Here are seven easy things administrators can and should do to make their Linux server more secure and significantly reduce the risk they face.
Can a Pringles can be used as an antenna by hackers? Answers to this and more in our special wireless guide. Additional reading: The connection conundrum: 3G or Wi-Fi?
Universities are looking for ways to protect networks while maintaining a free flow of data and ideas -- an idea businesses could learn from.
Norton Internet Security 2009 hits all the right security notes and its superior protection technologies might even win back some jaded anti-Symantec folks, though the lack of adequate technical support may continue to frustrate.
ZoneAlarm Pro 5.5 is the best software firewall available to PC users today.
D-Link's DCS-5300G is no real match for a dedicated wired and monitored solution, but it's also nowhere near as expensive.
Once simply alarm systems for the network, Intrusion Detection Systems have evolved to encompass a whole lot more. We review six sophisticated security devices.
The spread of convenient wireless LANs has delighted hackers, who find many WLANs vulnerable. Managing and securing a wireless network is therefore vital, but rarely done well. ZDNet Australia compares the offerings from AirDefense and AirMagnet.
Visa CIO touts new transaction technologies
Michael Dreyer, CIO of Visa, expresses what innovation means to him in different areas, such as their PayWave … Watch it now
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Driving Business Growth Through Enterprise IT Management
Australian Govt funds IT start-ups
Google should come clean on datacentres
US shows what OPEL could have been
Achieve continuous availability with high performance NonStop blade technology
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Superguide: Printers -- all you need to know
Looking to buy a printer? Our superguide rates the latest printers and shines a light into the industry.
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Storage and server superguide
Over the last decade the art of maintaining the datacentre of a large organisation has evolved into an art form.
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