What is type of threat?

threats  is the relation between hole in system and how attacker can use it

Threats Types

1-Trojan.

2-Virus

3-Worms

4-Spyware

5-Scareware

6-Keylogger

7-Adware

8-Backdoor

9- Exploit-Botnet-Phishing

-DDoS

threats in relation with vulnerabilities

threats in relation with technologies (old technology for example, bad protocol ....)

threats in relation with default values of systems and configurations