A hole has been found in software used by critical national infrastructure organisations including oil, gas and power companies that could lead to a successful denial-of-service attack.
One year ago, the Estonian government moved a war memorial honouring Russian-Estonians who died fighting the Nazis, a move that may have triggered what some believe is the first instance of a sustained, international cyberwar.
A NATO cyber-defence centre of excellence has been formally established to carry out research and training in how to combat cyberwarfare.
The US Air Force is talking openly about forming botnets to launch preemptive attacks in cyberspace.
CNN.com was knocked offline for three hours shortly after Chinese hackers claimed to have called off a planned denial of service attack against the US publisher.
Botnet operators have become public enemy number-one as consumers, businesses and governments fall foul to identity theft, DDoS attacks and spam. Yet no one appears to be able to stop the spread of bots -- except maybe the media.
The world of IT security is in chaos, with CSOs seemingly on the front lines of a full scale global cyberwar being fought out by government hackers, botnet-controlling criminal gangs and compromised Web sites. Can we ever hope to keep networks safe in such an environment?
Just as Internet users learn that clicking on a link in an e-mail purporting to come from their bank is a bad idea, phishers seem to be developing a new tactic -- launch a DDoS attack on the Web site of the company whose customers they are targeting and then send e-mails "explaining" the outage and offering an "alternative" URL.
Westpac, one of the biggest banks in Australia, experienced multiple hardware failures on Monday and at the end of last week, which caused its online banking service to fall over for hours at a time. What happened to its backup systems?
The CIO of a rather large Australian company recently told me that the firm was happy with its security set-up but then quickly made a U-turn. Would that statement, on record, effectively lay down a hacker challenge?
The idea that attacks on computer systems could provide an alternative method of spreading terror and disruption has been a concern for governments since IT systems began to proliferate.
Security researchers worked overtime in 2007, which turned out to be a nightmare for software vendors from day one.
Kimmo Alkio takes stock of the current state of hackers, attackers, dot-bank domains and mobile phone viruses.
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.
The debate over the relationship between ISPs, customers, and Internet security is definitely a complicated one, but who should bear the responsibility for protecting users online?
ZoneAlarm Pro 5.5 is the best software firewall available to PC users today.
We recommend installing Windows XP SP2 but only after Microsoft has had a few weeks to work out the kinks.
In 2002, users and companies got a respite from the disruptive viruses of 2001. But a more sophisticated generation of worms is on the way.
Your data is important to you, but do you know if others are trying to get at it? ZDNet Australia investigates.
There are positive changes to XP's networking, but will they benefit your business?
Planet CNET: Spins, blurs, and flashing lights
It sounds like a bad acid trip, but on this edition of Planet CNET, we spin in Singapore, get blurred out in F… Watch it now
Australian Customs CIO Murray Harrison dislikes SLAs and runs away if a vendor talks to him about innovation. In this interview, he also explains why getting excited about gadgets can be dangerous and talks about how Customs' outsourcing strategy has evolved.
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