Markus Nispel

Security is a hot topic of the moment and as potential threats are identified and news about viruses, worms, bots, and unauthorized access abounds, a multitude of new security technologies continue to be introduced to the market.     The most diverse strategies can be found when securing access to a corporate LAN. All of them, however, aim at proactively preventing unauthorized access and providing the ability to react to some extent.     In general, the market can be divided into several segments, depending on the type of implementation: appliance-based solutions, server-based solutions, and switch-based solutions. Due to performance, network design, redundancy, and scaling problems, the use of appliance-based solutions only makes sense in small, simple, and homogeneous network infrastructures. As these solutions must be positioned close to the security perimeter, th... (more)