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virus definitions (Intelligent Updater™)

Symantec Security Response fully tests the Intelligent Updater definitions for quality assurance. The definitions are posted daily and can be downloaded from the Symantec Security Response Web site and manually installed.

Corporate network administrators, as well as end users who practice potentially risky Internet behavior (for example, clicking on email attachments from unknown senders or attachments included in unexpected emails, downloading files from newsgroups or suspicious Web sites, and so on) benefit the most from downloading and installing the Intelligent Updater definitions on a daily basis.

Home users: While it is possible, it is not absolutely necessary for you to download and install the Intelligent Updater definitions daily. Symantec receives samples of new risks every day and we build new definitions for these risks daily. However, in many cases these risks are not in the wild, or if in the wild, they have a very low incidence of infection. In any event, if we detect that a risk in the wild is rapidly spreading, we immediately release LiveUpdate packages to fully protect our customers. Additionally, if you suspect that a risk is present on your computer, take advantage of the Scan and Deliver functionality to submit the suspect file for analysis by Symantec Security Response.