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News

Stonesoft develops malicious applet protection

Stonesoft Networks : 21 August, 2007  (New Product)
Stonesoft closes exploitation route by detecting and denying access to web-page embedded applets seeking unauthorised access to connected computers.
Stonesoft has developed and patented a unique technology to protect a specific class of security vulnerabilities that can be exploited via malicious web programs, or applets.

A normal applet is a program written in the Java programming language that can be included in a webpage, much in the same way an image is included in a page, to display scrolling text or animations. A malicious applet, however, attacks the local system of a computer connected to the Internet, which may lead to denial of service and invasion of privacy. The program does this by opening connections to the Internet and persuading firewalls to allow unauthorised connections to vulnerable services.

The invention patented by Stonesoft provides a means to detect and prevent this situation. Detection is based on examining the data flow and related processes for suspicious activity, such as data connections opened by different process families. Another revealing anomaly would be a control connection opening access to a port that has been opened earlier. Stonesoft's new patent does this without the need to know the exact nature of the vulnerability or malware being used. This allows the system to detect new exploits and attacks.

The patent is called 'Method and device for handling related connections in a firewall' and was officially granted European patent number: European patent 1443729 on 14.3.2007.

"Stonesoft´s StoneGate solution has already received a number of patents to date, both in the US and in Europe. We are proud to receive this patent, regarding this as a further manifestation of our position as a forward-thinking and innovative provider in the network industry", said Ilkka Hiidenheimo, Chief Executive Officer of Stonesoft.
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