| UltraDNS service knocked offline by attack NeuStar confirmed that its UltraDNS managed DNS service was knocked offline for several hours Tuesday morning by a distributed denial of service attack. Blocking Conficker domain names: Will it work? On the eve of Conficker.C's expected activation date, April 1, more than 100 providers of top-level domains around the world are trying to block the registration of tens of thousands of domain names that the Conficker worm could start using Wednesday to get botnet instructions. FAQ: Conficker clock ticks toward April 1 deadline When a computer worm reaches the critical mass necessary to make it onto last Sunday's 60 Minutes, you know it's either a once-in-a-blue-moon threat or something that's been hyped beyond belief. Conficker's patch gambit exposed by researchers One technique deployed by the Conficker worm is to patch vulnerable Microsoft-based computers it has invaded. But University of Bonn researchers recently discovered that the Conficker patch is sufficiently different than the official Microsoft patch, giving security firm Qualys the opportunity to fine-tune its scanner to pinpoint computers where Conficker lies hidden under its own protective patch. Conficker Set to Strike: Protect Yourself with These Tips Security watchdogs warn that millions could be affected by the Conficker worm tomorrow - unfortunately this is not in an April Fool's Day joke. Over 9 million PCs are already infected and a new variant of the virus could threaten those who didn't patch their PCs with the latest security updates. What you need to know about the Conficker worm If you've been paying attention to general computer news, you may have read about the Conficker worm, and what may (or may not) happen to Windows PCs that are infected with Conficker on April 1. The worm has received a lot of attention, leading more than a few Mac users to ask about the worm's impact on OS X. Mac security maker Intego received so many inquiries that the company added a Conficker entry to its blog. Cloud Security Alliance formed to promote best practices A group calling itself the Cloud Security Alliance announced its formation Tuesday, with eBay and ING as founding members. Fools and jokers coming to a network near you While there is little known about the origins of April Fools' Day, the list of gags go on and on and this year is certain to add to the list of potty-themed Wii games, scratch-and-sniff Web sites and police-finding mobile applications. Fedora 11 beta posted with new security, developer features The Fedora Project released a beta of the next version of its free Linux OS with new security, desktop and developer features that provide a glimpse of the direction Red Hat could take with its enterprise Linux distribution. Fidelis spies data leakage via social networking sites Fidelis Security Systems is looking to help enterprises monitor and block specific content that employees might try to post in social networking arenas. Fraud in Canadian firms mostly an 'inside job' Who is the most likely suspect for fraud in Canadian organizations? China denies cyber spy network charges China on Tuesday denied suggestions it could be involved in a cyberespionage ring that attacked computers worldwide from servers mostly based in the country. Video: Europe probes online tracking methods European Commission officials launch investigation into the growing use of deep packet inspection techniques that let broadband providers track online activity, even if consumers delete tracking cookies. Training needed to quell breaches As many highly publicized security breaches demonstrate, sometimes the greatest threat to an organization comes from within when well-meaning employees make mistakes such as losing an unencrypted laptop or posting personally identifiable information online. Network World on Twitter Get our tweets and stay plugged in to networking news. | 
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