Internet security company Kaspersky has unveiled its first product targeted at Mac users, Should Mac Users Run Antivirus Software?," 18 March 2008). ($59.95 new, 49.4 MB). The software is mainly aimed at preventing Mac users from unknowingly acquiring Windows-specific viruses and then passing them on to Windows-using contacts whose machines could be affected. Features include real-time download and attachment scanning, minimal CPU usage, automatic updating, and the inclusion of the latest Kaspersky anti-virus technology. Although we do find a new entrant in the Macintosh anti-virus world interesting, we don't recommend anti-virus software for most Mac users (see "