Answer:
1. The basic threat is junk mails which contains malicious links. There can also be malicious applications on the web which when downloaded can also cause the download of malware. Zero day threats are also being used by hackers to target an OS for a single day.
2. Anti virus software such as MACFREE
3.Threats such as Computer virus, computer worms, Trojan horse, Phishing, Spyware, Rootkit etc. will targets network.
4. I will increase security by:
a) Installing a firewall
b) Updating all the applications and OS
c) Verifying applications before downloading
d) Boost access control by providing strong passwords
Explanation: