Question

• Describe the types of defensive measures that system administrators can take to reduce the threat posed by viruses, worms, Trojan horses, and denial-of-service attacks.

Answer 1

Some of the defensive measures are:

keeping all the system software up-to-date might fix many of the unnecessary issues.

Maintain a well secured system policies.

Maintain a three factor authentication to ensure that it is a trusted incomer.

Include a network based intrusion detection system.

Quickly investigate the unrecognized activities.

Run a secured and scheduled backing up process.

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