Research and explain possible threats to system performance, information security and user safety. Detail at least three areas

Research and explain possible threats to system performance, information security and user safety. Detail at least three areas

1. Unwanted or spam emails.

Spam emails are unwanted or electronic junk mail containing junk text, malware or viruses. They are a threat to your machine as they can contain malware and viruses.

2. Passwords should be kept safe by users and not exposed to anyone but themselves to avoid people seeing private and personal information. Passwords should be complex also to make them even more secure and hard to guess. 

3. Malicious programs (including viruses, worms, Trojans, spyware, adware and rogue diallers). Malicious programs is bits of software used or programmed by attackers to disrupt computer operation, gather sensitive information, or gain access to private computer systems. This class includes viruses, worms, Trojans, and other programs used to automatically conduct malicious activity. This is very dangerous and can be prevented by anti-virus.