When large amounts of data are stored in electronic form, they are vulnerable to many more kinds of threats than when they existed in manual form. Through communications networks, information systems in different locations are interconnected. The potential for unauthorized access, abuse, or fraud is not limited to a single location but can occur at any access point in the network. Without protection against malware and intruders, connecting to the Internet would be very dangerous. Discuss in detail types of malware, provide examples. Describe in detail essential business tools used to protect information systems against threats.

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