Home computer users and small-business entrepreneurs usually know enough about broadband Internet security to protect their data with a firewall. In most of these cases, a single firewall at a point of entry to the computers or network is sufficient. Sometimes, though, using multiple firewalls is the smarter option. The bigger the business, the more likely its computers are exposed to the Internet on more than one front. The more points of exposure, the more firewalls should be there for protection.
