a) Today, the most used malware detection method is signature detection method. Malware manufacturers know this information very well. Accordingly, what kind of approaches do malware producers try to overcome this signature detection method? Explain.

b) Explain the working logic of Trojan applications, a type of malware, and give an example.

c) What are the differences between worms and viruses in terms of the way they infect computers and spread across the network?