SearchScan by Yahoo! Search helps alert you to sites with security concerns such as viruses, spam and other dangerous software which may expose your computer or may flood your email. Yahoo! Search has partnered with McAfee, a leading web security company, to scan search results for dangerous web sites. SearchScan can help protect you from::

• Hacking Risks – Just visiting these sites can expose your computer to dangerous software like viruses and spyware. They may use methods like browser hacks to do this without any action on your part.
• Dangerous Downloads – Sites that may offer downloads with dangerous software like viruses or spyware embedded in them. This often comes bundled with other free downloads like screensavers, ringtones, games or other software.
• Unsolicited Email – Sharing your email address with these sites may result in unsolicited or spammy emails. These sites may request users for their email address but then either send them unsolicited email or in some cases make your email address available to multiple domains to send you email