Senforce Technologies announced the release of <A HREF="http://www.senforce.com/spfplus/index.html">Senforce Portable Firewall Plus (SPF+).</A> Designed to provide the ultimate hacker protection for small and medium-sized businesses, SPF+ also successfully stops the widest range of security threats, such as denial of service (DoS) attacks, buffer overflows and more. In addition, to maintain business productivity, SPF+ provides powerful security for mobile and wireless clients. As users move from location to location, computing devices are automatically shielded from port scans and sniffers, and protected against risks such as those that can be caused by downloading data to small removable storage devices.