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OfficeScan 10.6 Administrator's Guide - Trend Micro™ Online Help

OfficeScan 10.6 Administrator's Guide - Trend Micro™ Online Help

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Guarding Against Spyware/Grayware<br />

Scanning for Security Risks<br />

There are many ways to prevent the installation of spyware/grayware to a computer.<br />

<strong>Trend</strong> Micro suggests adhering to the following standard practices:<br />

• Configure all types of scans (Manual Scan, Real-time Scan, Scheduled Scan, and<br />

Scan Now) to scan for and remove spyware/grayware files and applications. See<br />

Scan Types on page 6-14 for more information.<br />

• Educate client users to do the following:<br />

• Read the End User License Agreement (EULA) and included documentation<br />

of applications they download and install on their computers.<br />

• Click No to any message asking for authorization to download and install<br />

software unless client users are certain both the creator of the software and the<br />

website they view are trustworthy.<br />

• Disregard unsolicited commercial email (spam), especially if the spam asks<br />

users to click a button or hyperlink.<br />

• Configure web browser settings that ensure a strict level of security. Configure web<br />

browsers to prompt users before installing ActiveX controls. To increase the<br />

security level for Internet Explorer, go to Tools > Internet Options > Security<br />

and move the slider to a higher level. If this setting causes problems with websites<br />

you want to visit, click Sites..., and add the sites you want to visit to the trusted sites<br />

list.<br />

• If using Microsoft Outlook, configure the security settings so that Outlook does not<br />

automatically download HTML items, such as pictures sent in spam messages.<br />

• Do not allow the use of peer-to-peer file-sharing services. Spyware and other<br />

grayware applications may be masked as other types of files that users may want to<br />

download, such as MP3 music files.<br />

• Periodically examine the installed software on client computers and look for<br />

applications that may be spyware or other grayware. If you find an application or file<br />

that <strong>OfficeScan</strong> cannot detect as grayware but you think is a type of grayware, send<br />

it to <strong>Trend</strong> Micro at:<br />

http://subwiz.trendmicro.com/SubWiz<br />

<strong>Trend</strong>Labs will analyze the files and applications you submit.<br />

• Keep Windows operating systems updated with the latest patches from Microsoft.<br />

See the Microsoft website for details.<br />

6-7

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