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Adobe has fleshed out its plans to offer sandboxing as a mechanism to limit the impact of attacks against its ubiquitous Adobe Reader PDF reader application.

Available from November, Adobe Reader X will incorporate virtual sandboxing technology that will place controls on the application's ability to modify the registry or execute unwanted content.

Adobe Reader X Protected Mode is listed as one of six key improvements due in Adobe PDF application suite. Other enhancements include the ability for users to "view and interact with PDF files that contain an even wider variety of content types, including drawings, email messages, spreadsheets, videos, and other multimedia elements".

The revamp also includes a new version of Acrobat, as explained in a blog post by Adobe here.

Adobe applications have become a hacker favourite over recent years and frequently feature in malware attacks.

The addition of sandboxing technology is welcome even though it's certainly no panacea against exploits.

Oracle's Java Runtime Environment has long incorporated sandboxing. Despite this Java is more often successfully exploited to compromise PCs through drive-by download web exploits than Adobe Reader, according to new research from Microsoft.

Holly Stewart, a Microsoft security analyst, blames a huge upsurge in Java-based attacks recorded since Q3 2009 on attacks on three vulnerabilities, all of which have been patched. The upswing in attacks on Java has been going on for months, without much comment apart from the honourable exception of a blog post by Brian Krebs last week, possibly because IPS systems are not especially converse with Java, according to a theory suggested by Stewart.

Clearly this is an area that needs more research.

Patrik Runald, senior manager for security research at Websense, said more surfers ought to consider whether they actually needed Java. "Uninstall Java if you don't need it, it's the most attacked software by drive-by kits by far," he said. ®

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