GFI LANguard System Integrity Monitor (SIM) detects whether files have been changed on a Windows 2000/XP system. It identifies exactly which files have been changed, making it easy to restore the system to its original state, although it does not provide any utility for automatic recovery - you have to have secured original copies of these files elsewhere.
Authenex Strong Authentication System (ASAS) is described as a network security application that provides strong (two-factor) authentication for remote, VPN and web access. This would appear to sum things up quite well and Authenex provides a variety of software tools to support this goal.
This solution is supplied as software, desktop or rack-mounted. Each network sensor is a separate appliance, handing high-availability, high-security 10/100 or gigabit monitored segments.Running on a hardened OS, based on Red Hat Linux, in a small installation it can be managed using a web-based interface, software or optionally as an appliance.