网络技术和经济促进了企业控制环境的变革、会计系统体系结构重组及企业内部控制程序的完善，同时也增加了安全控制的难度。
Internet technology brings about the changes of the control environment, system structure and the perfection of internal control, meanwhile it also increases the difficulty of safety control.
PLC控制程序系统结合部历来是各系统的薄弱环节，抓好它，有利于保证设备安全、可靠、正常运转。
The joint of PLC program controlling system is always the weak link of all systems, and focusing on it can guarantee the safe, reliable and normal operation of the equipment.
这个安全问题一直没有被修复，使得我们不用再去找新漏洞就可以运行用户模式的自制程序。
This security issue hasn't been patched, and allows us to run user mode homebrews without having to look for new exploits with every firmware.
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