How to avoid computer and network infection?

What is the name of scam when the attackers ask for something to help the users with something?

What is the name of the scam, when the attackers follow the user's path to a reserved or blocked area?

What is the name of scam based on deceptive activity on creating a fictional person that earns a victim’s trust?

What is the name of a scam that infects popular websites with malware?

What is the name of scam that the victim are bombarded with false alarms and fictitious threats?

What is the name of a scam that makes the victim believe that the attacker needs confidential information to perform a mission-critical task?

What's the name of a scam that uses email and text messages to make the victim feel a sense of urgency, curiosity, or fear?

What is the name of an attack in which servers redirect the user to malicious websites when a legitimate URL is entered?

What is the name of an attack that uses a false promise to disorient the greed or hunger of the victim?