About 10 million LiveJournal and TypePad blogs were offline or barely reachable for several hours on Tuesday as the result of a massive denial-of-service attack.
Attackers flood another domain name system with a deluge of data in an online assault that resembles last month's attempt to cripple DNS root servers.
The first attacks that are likely to have stemmed from a serious Domain Name System flaw have been reported.
Many DNS servers are wrongly configured or running out-of-date software, leaving them vulnerable to malicious attacks, according to a survey published on Monday.
Microsoft is warning that a Word flaw is being used for targeted attacks, and has also issued four 'important' patches, including one for a potentially serious DNS flaw in the latest Patch Tuesday bulletin.
Security researcher Dan Kaminsky has offered more details about a fundamental flaw in the Domain Name System and the extent of the vulnerability.
A fatal flaw with the DNS (Domain Name System) was currently being exploited in internet attacks and more attacks were likely, the security researcher who discovered the flaw said on Thursday in the US
Apple's Domain Name System patch for Mac OS X systems is not completely effective, according to security experts.
One large Australian organisation and a local computer security advisor have played down the importance of a security flaw in the global Domain Name System (DNS) that has led to panic in some security circles around the globe.
There are signs that hackers attacked key parts of the backbone of the Internet on Tuesday, but no damage seems to have been done, experts said.
A banking trojan designed to intercept Australian customers' authentication details has been discovered. It can circumvent two-factor authentication and will force-feed 600 porn sites to infected PCs, according to security researchers.
Cybercrooks are using a yet-to-be-patched security flaw in certain Windows versions to attack computers running the operating systems, Microsoft warned late last week.
Microsoft on Tuesday plans to release seven security bulletins, including a fix for a zero-day flaw in Windows that is already being used in cyberattacks.
In response to a heightened security alert, Microsoft has updated its customer advisories for protecting its server software against DNS cache poisoning attacks.
Microsoft on Tuesday released fixes for 19 security flaws in several of its products, including the new Internet Explorer 7, Office 2007 and Exchange 2007.
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