Security models lay the groundwork on which the secure computer systems are found.

安全模型是构造安全计算机系统的基础。

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Before 1970, in order to protect the information security in computer systems, mandatory and discretionary access control policy had been widely applied in secure computer systems.

在上世纪七十年代以前，为保证计算机系统中的信息安全性，自主存取控制和强制存取控制策略在计算机多安全级系统中得到了广泛的应用。

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Fortunately, cryptographic techniques already exist to secure messages from one ubiquitous computer to another and to safeguard private information stored in networked systems.

幸运的是，能够确保邮件从一台无处不在的计算机到另一台以及到存储在网络系统上的保密私人信息的加密技术已经存在。

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Even if no mandatory SEC reporting requirements are forthcoming, at the very least, the guidance provides corporations with the opportunity and to ask internally whether they are doing enough to secure their computer systems.

FORBES: Disclosing Cyber Security Incidents: The SEC Weighs In

Lead by example through making certain government computer systems and networks are secure and that the best information security measures are used.

CNN: Global panel issues Internet security recommendations

Mr Schneier predicts that insurance companies will start to specify what kinds of computer equipment companies should use, or charge lower premiums to insure more secure operating systems or hardware.

ECONOMIST: Putting it all together