SSM是一款对系统进行全方位监测的防火墙工具，它不同于传统意义上的防火墙，系针对操作系统内部的存取管理，因此与任何网络/病毒防火墙都是不相冲突的。该软件获得了WebAttack的五星编辑推荐奖，十分优秀！到目前为止，该软件仍是免费的。Beta of System Safety Monitor 2.4.0.617 was released. Bugs fixed:
* Several deadlocks in the Service module;
* Empty service list on win2k, winXP, win2k3 Known issue:
* fast User Switching is not supported on Windows Vista.
Please note: it is a beta version.
下载:System Safety Monitor 2.4.0.617 Beta