Two foreign embassies on Australian soil have allegedly been infected by an espionage botnet dubbed GhostNet, according to security researchers.
Spammers knocked offline two weeks ago when their hosting company, McColo, was shut down are finally coming back online, security researchers said this week.
Security researchers have warned of an underlying security issue concerning the Border Gateway Protocol, the core internet routing protocol.
A server discovered in June contained 50GB of stolen user account and financial details, including 9,000 bank and credit-card account credentials and 463,582 user account passwords, according to a report published at the Black Hat conference last week.
The website of the Georgian president was the subject of a distributed-denial-of-service attack over the weekend.
Security vendor Websense says the infamous 'Storm' botnet and trojan combination has been sending out false emails claiming the US has invaded Iran, including links to provocative videos.
After a hiatus, the gang behind the Storm worm is attempting to exploit people's curiosity about a fictional love interest to tempt users into downloading the malware, according to security training organisation the Sans Institute.
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.
The US Air Force is talking openly about forming botnets to launch preemptive attacks in cyberspace.
This week, the world marks an anniversary that has changed the face and other anatomical regions of e-mail inboxes everywhere: the first known spam e-mail was sent 30 years ago on Saturday.
Botnets are the biggest threat facing the Internet today and neither education, technology or the police can help, according to experts at the RSA security conference in San Francisco last week.
The US wants to help defend against cyber attacks by embarking on a project that would build the equivalent of an online nuclear bomb.
After analysing traffic from 68 ISPs around the globe, a security researcher claims that as much as five percent of all Internet traffic is from DDoS-attacks.
An 18-year-old bot herder from New Zealand plead guilty on Monday to six charges resulting from a failed botnet upgrade that led to a denial-of-service attack on the University of Pennsylvania.
Security vendor RSA has reported an increase in the use of "fast-flux" to obscure zombie computer activities. However, University of Cambridge researchers disagree, saying it's the same botnet being leased out to others.
Ben Forta: All about Adobe
Take one ColdFusion veteran and mix in a healthy dose of prolific book writing, and chances are you will end u… Watch it now
Google CEO Eric Schmidt
Google's chief sits down for an extremely rare, wide-ranging interview and discusses Google's two operating sy… Watch it now
Telstra shareholders fear break up
What do Telstra shareholders think of the telco's new CEO David Thodey? And would they support the government'… Watch it now
Can not-so-smart meters help the NBN?
Can the Telco Reform Act be win-win?
Has New Zealand's smiling assassin delivered?
What makes you click?
Tell us for a chance to win a $1,000 GAME gift voucher.
Click here for more.
Win an iPhone 3GS!
Sign up as a ZDNet Australia member during November and you'll go in a draw to win an iPhone 3GS!
Click here to sign up!
Best Laptops
Check out the best laptops here!
Click here for more.