More Twitter vulnerabilities abound as half of businesses concerned about Web 2.0 Security

Yet another security vulnerability has affected Twitter this weekend, following from a major exploit last week and news that over four fifths of global businesses restrict use of so-called “Web 2.0” websites owing to security concerns.

The first Twitter vulnerability last week used an exploit in the client-side rendering of links to force the user to retweet a vulnerable tweet when they moved their cursor over the text. The next exploit took advantage of anyone logged in to to post a rude tweet which is unrepeatable on a family website. By using an Iframe to Twitter and then using JavaScript to initiate an HTTP POST request, some extremely popular accounts were tweeting the message then a link to a site which forced users to do the same.

McAfee’s investigation into business attitudes towards cloud computing and these “Web 2.0” services produced some interesting results; Brazil, Spain and India lead the uptake of this type of technology in business, with Canada, Australia, the US and the UK at the bottom of the list. Three quarters of companies said new technology adoption lead to new revenue streams, and 40 percent said that productivity and marketing effectiveness have been on the rise since their implementation in the businesses. Meanwhile, half of those surveyed were concerned about the security of the new-age applications. The survey covered decision makers in 1000 companies worldwide.

There’s a bit more on the Twitter vulnerabilities on their Status blog.

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