SMB - Experts hammer Web 2.0 security

Security experts fear that social networking sites like Facebook and Linkedln provide both a delivery vehicle for malware and the info to create targeted attacks

The sheer number of pages being created on the sites also makes it nearly impossible for online social networking companies to chase down all the threats being delivered over their URLs.

Even eBay and PayPal, with their considerable financial resources and technical expertise, still struggle to shut down all the cross-site scripting attacks attempted across their domains. For growing companies in the social networking space, the same problems will only be amplified, experts maintain.

"There are more than 150 million active Web sites worldwide and MySpace has something like 200 million pages; that speaks to the challenge facing these companies to secure themselves and there's no way for any security vendor to crawl all those URLs and put them in a database to use white listing or blacklisting," said Dan Nadir, vice president of product strategy at ScanSafe, a provider of hosted security services.

"We're already seeing extremely complex, well-designed attacks on these sites where there is a lot of content modification aimed at tricking the end user, with people trying to put malware on their own pages or someone else's," he said. "Companies need to realize that it's not just about malware being on porn sites or free screensaver pages anymore. Social networking is where the activity is heading, and companies need to wake up and protect themselves."

According to a recent study published by Forrester Research -- based on interviews conducted with 150 IT professionals -- 96 per cent of those questioned said that they see a significant value in adopting social networking and other so-called Web 2.0 sites, but fewer than 5 per cent reported that they have taken any specific security measures to help protect users of the technologies.

Most observers maintain that despite the inherent security risks, companies shouldn't block employees from accessing social networking URLs and other Web 2.0 properties, such as legitimate multimedia file sharing sites. Doing so may only serve to frustrate workers and cut off potentially valuable business opportunities that could be garnered using the applications, they said.

However, IT departments must be prepared to ward off the many types of threats that will emerge from use of the sites, including malware and targeted spear-phishing schemes.

"Companies need to adjust their security policies for Web 2.0 world today, they need to tailor their Internet use policies and create rules that include social Web sites, blogs, and all the other types of sites being created out there, the usage policies need to be spelled out specifically and enforced," said Paul Henry, vice president of technology evangelism at network gateway maker Secure Computing.

"Beyond that they need technical safeguards to back those policies, but the outlook for all this is still pretty grim," he said. "Most companies are barely providing sufficient protection in the context of Web 1.0."

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