Intruders might invade your systems for one of two reasons: to gain access to information that they should not have or to alter the behavior of a system.

入侵者入侵您的系统可能是出于这两个原因之一：为了获取他们本不应该拥有的信息，或者为了改变系统的行为。

youdao

Papers school student management system for background information on the basic tenets of systems development, structure, methods and processes.

论文以学校学生的管理系统为背景，论述了信息系统开发的基本原理，结构，方法和过程。

youdao

Identifying and capturing the information that is exchanged between the system and each of the external systems provides the dynamic view of the system context.

通过标识和捕获在系统和每个外部系统间交换的信息，可以提供系统上下文的动态视图。

youdao

In simple terms cyber attacks focus on the disruption or destruction of information, information systems or information infrastructure and to deny their availability to the system owners or legitimate users.

FORBES: Cyberwar Or Not Cyberwar? And Why That Is The Question

However, much of this critical information may be buried within your enterprise systems and dispersed across multiple documents, system records, locations, companies and databases.

FORBES: Data, Data Everywhere!

This is similar system to that used by some heart pacemaker systems, but these only report back technical information about the condition of the implant, rather than gather extensive data about the condition of the patient.

BBC: Telephone heart sensor under test