This year, 1999, several vendors will offer security products resulting from technologies acquired during 1998. For example, Network Associates bought Dr. Solomon's to obtain its virus detection software, Security Networks for vulnerability assessment products, and Trusted Information Systems for firewalls. Mergers and acquisitions are continuing and one likely result is a split in the market. Corporations will continue to work with large vendors that can provide a range of services and products, but at the same time, they will be able to shop for 'best-in-class' solutions from specialty co