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6 Security ‘Must Haves’ For Cloud Computing  

According to Gartner, to achieve effective and safe private cloud computing deployments, security, as it exists in virtualized data centers, needs to evolve and become independent of the physical infrastructure that includes servers, Internet Protocol (IP) addresses, Media Access Control (MAC) address and a lot more.

However, it must not be bolted on as an afterthought once companies move from enterprise deployments, to virtualized centers, to private/public cloud.

While the basic components of security in information management remain the same — ensuring the confidentiality, integrity, authenticity, access and audit of information and workloads — a new, integrated approach to security will be required.

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Written by Guru Kirthigavasan

November 11th, 2010 at 7:30 am

Cross-Site Scripting takes over Twitter  

Twitter

Cross site scripting is getting to be a common security vulnerability for online services. And Twitter that allows 140 characters per tweet wasn’t an exception.

The worms exploit a common vulnerability in Web applications called cross-site scripting, which allows someone to inject code into Web pages others are viewing.

In this instance, Twitter users who clicked on the name or image of anyone sending the worm messages would get infected and then send the message on to all that person’s followers. Anyone viewing an infected user’s profile would also get infected and pass the worm on.

“What we’re seeing was it was possible for codes to be embedded, small pieces of JavaScript, into people’s profiles. This should be fairly elemental to filter out,” he said.

While the attacks were mostly a nuisance, they could have been dangerous if spyware or other malware had been downloaded onto Twitter users’ computers, Cluley said.

To avoid such JavaScript-based attacks, you can turn off JavaScript in your browser. Instructions for doing this are here. You can also use utilities such as NoScript, an open-source Firefox extension, Hayter recommended.

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Written by Guru Kirthigavasan

April 13th, 2009 at 8:05 pm