need help with attached.

No of questions : 3

Cybercriminals use many different types of malware to attack systems. Select one common type of malware listed in this article link and using your own words, explain how to defend yourself against it.   https://www.esecurityplanet.com/malware/malware-types.html#maliciousmobileapp

Using the following link as your reference, select TWO and explain the differences

(viruses, worms, trojans, and bots).

What Is the Difference: Viruses, Worms, Trojans, and Bots?

 Describe two cryptographic applications and how they are used in Information System Security.