Answer:
The single greatest physical threat to information systems is:
Sabotage
Explanation:
Sabotage describes the efforts of internal persons to ensure that a system does not operate as intended or is destroyed. Among the threats to information systems, this is the greatest. The problem with sabotage is that the operators are internal, they know the system very well. They understand the weak points and the strengths of the system. They are internal terrorists to any information system. These internal saboteurs are capable of using any means to achieve their purpose. Therefore, it is necessary to scrutinize employees from time to time to discover internal risks.
