SecureMac has announced MacScan 2.9.1, the latest version of its anti-spyware privacy and security software for Mac OS X. This new version of MacScan enhances protection against the latest threats for Mac OS X, adding usability enhancements, scan engine updates, scheduler fixes as well as user interface changes and updates.

MacScan retails for US$29.99 and can be purchased using Paypal or credit card, either through the built-in registration system, or via the MacScan webstore (http://macscan.securemac.com). Upgrades from previous versions of MacScan 2 are free, and can be obtained by either selecting “Check for Updates” under the “MacScan” menu, or by downloading the demo version from http://macscan.securemac.com and entering your serial number.

The MacScan Family Pack lets you install the anti-spyware software on up to three computers for $49.99. Existing users of MacScan can upgrade the single license to the MacScan Family Pack for the difference of the original price and the Family Pack price. 

SecureMac is celebrating the release of MacScan 2.9.1 with the Download, Tweet and Win! Campaign (http://macte.ch/i1RtJ), which allows Mac users the opportunity to download MacScan and audit their computer for security threats and privacy issues such as tracking cookies and tweet their results for a chance to win prizes such as a MacBook Air, MacScan licenses and gift cards to favorite retailers.