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Palo Alto Application Usage And Risk Report Suggests Policy On Acceptable Use

In its latest edition of the Application Usage and Risk Report, Palo Alto Networks, the network security company, draws attention to several realities that typically fall outside of the approved enterprise communications mechanisms. These applications can enhance business responsiveness and performance - but, conversely - introduce inbound risks such as malware and vulnerability exploits, and outbound risks such as data loss and inadvertent sharing of private or proprietary data. The report adv

SUNNYVALE, Calif., Oct. 21 In its latest edition of the Application Usage and Risk Report, Palo Alto Networks, the network security company, draws attention to several realities that typically fall outside of the approved enterprise communications mechanisms.  These applications can enhance business responsiveness and performance - but, conversely - introduce inbound risks such as malware and vulnerability exploits, and outbound risks such as data loss and inadvertent sharing of private or proprietary data. The report advocates for assigning an action to these saying, socializing and sharing applications, and fostering discussions and creating viable policies around acceptable use.

Now in its 6th edition, the Application Usage and Risk Report (October 2010) consists of real-world traffic from 723 organizations worldwide, and examines user and application trends in the enterprise. In its analysis, Palo Alto Networks identified several patterns related to users' applications to collaborate with others. These applications were pervasive among these participating organizations, and can be summarized as "saying, sharing and socializing applications." In fact, the applications present are in up to 96 percent of the participating organizations and consume nearly one-quarter of the overall bandwidth.

Saying applications, including webmail and instant messaging applications, are still being used in a largely unmonitored and uncontrolled manner, which introduces significant inbound and outbound risks. Palo Alto Networks found that all of these saying applications either hop ports or use fixed ports that are not TCP/80 or TCP/443, which means that these applications cannot be easily monitored to control the related business and security risks. Furthermore, 60 percent of the saying applications discovered are capable of transferring files, thus opening organizations up to data leakage and the delivery of malware via attachments.

Since 2008, browser-based file-sharing applications have steadily grown in popularity to the point where they are now used more frequently than P2P or FTP. Now seen in 96 percent of organizations, these applications simplify file sharing but can also be broadcast-oriented (similar to P2P) in their distribution model. Using RapidShare, MegaUpload, or MediaFire, users can now upload their content and allow it to be indexed by one of the many affiliated search engines.

Traffic patterns of Facebook may contradict certain assumptions about its use in the workplace. The bulk of the traffic (88 percent) is users watching Facebook pages. The risks that voyeurism represent include a potential loss of productivity and the possibility of malware introduction by clicking on a link within someone's "wall." Comparatively speaking, usage of Facebook apps (including popular games such as FarmVille) only represents 5 percent of Facebook traffic. Facebook posting represents an even smaller 1.4 percent of the traffic, yet the small amount of use should not minimize the risks in terms of what users are saying about work-related subjects such as current projects, travel plans and company status.

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