please answer the following

The four (4) aspects of safety and security that should be acknowledge when using your computers and mobile device A is designed to appear as a legitimate program in order to gain access to a system. Once activated following installation, Trojans can execute their malicious functions. I encrypt people's data and demand a ransom to be payment for recovery of data and information, what am I? I am responsible for telling your devices how to perform and how to carry out those tasks or actions. What are the categories I am divided into: If I am not installed, your peripheral devices won't function properly. What am